Service Guide Agilent Technologies 8360 B-Series Swept Signal Generator 8360 L-Series Swept CW Generator Serial Number Prefixes: This manual applies to any instrument with the following model number and serial number prefix combinations. You may have to modify this manual so that it applies directly to your instrument version. Refer to the “Instrument History” chapter.
Notice The material contained in this document is provided “as is”, and is subject to being changed, without notice, in future editions. Further, to the maximum extent permitted by applicable law, Agilent disclaims all warranties, either express or implied with regard to this manual and to any of the Agilent products to which it pertains, including but not limited to the implied warranties of merchantability and fitness for a particular purpose.
Notice Hewlett-Packard to Agilent Technologies Transition This manual may contain references to HP or Hewlett-Packard. Please note that HewlettPackard's former test and measurement, semiconductor products and chemical analysis businesses are now part of Agilent Technologies. To reduce potential confusion, the only change to product numbers and names has been in the company name prefix: where a product name/number was HP XXXX the current name/number is now Agilent XXXX.
Certification Agilent Technologies certi es that this product met its published speci cations at the time of shipment from the factory. Agilent Technologies further certi es that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institute's calibration facility, and to the calibration facilities of other International Standards Organization members.
Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modi cation or misuse, operation outside of the environmental speci cations for the product, or improper site preparation or maintenance. NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. AGILENT TECHNOLOGIES SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Safety Notes The following safety notes are used throughout this manual. Familiarize yourself with each of the notes and its meaning before operating this instrument. WARNING Warning denotes a hazard. It calls attention to a procedure which, if not correctly performed or adhered to, could result in injury or loss of life. Do not proceed beyond a warning note until the indicated conditions are fully understood and met. CAUTION Caution denotes a hazard.
General Safety Considerations WARNING vi These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do not perform any servicing unless you are qualified to do so. The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the instrument from all voltage sources while it is being opened. The detachable power cord is the instrument disconnecting device.
CAUTION Always use the three-prong ac power cord supplied with this instrument. Failure to ensure adequate earth grounding by not using this cord may cause instrument damage. Before switching on this product, make sure that the line voltage selector switch is set to the voltage of the power supply and the correct fuse is installed. Assure the supply voltage is in the speci ed range. This product is designed for use in Installation Category II and Pollution Degree 2 per IEC 1010 and 664 respectively.
viii
Preface This manual provides service information for the Agilent Technologies 8360 B-Series swept signal generator and Agilent Technologies 8360 L-Series swept CW generator. Manual Conventions 4Front-Panel Key5 NNNNNNNNNNNNNNNNNNNNNNN Softkey Screen Text This represents a key physically located on the instrument. This indicates a \softkey," a key whose label is determined by the rmware of the instrument. This indicates text displayed on the instrument's screen.
Instruments Covered By This Manual This manual applies to instruments having a serial number pre x listed on the title page (behind the \Documentation Map" tab). Some changes may have to be made to this manual so that it applies directly to each instrument; refer to Chapter 12, \Instrument History," to see what changes may apply to your instrument. A serial number label (Figure 0-1) is attached to the instrument's rear panel.
Sales and Service Offices Hewlett-Packard Sales and Service Offices UNITED STATES Instrument Support Center Agilent Technologies (800) 403-0801 EUROPEAN FIELD OPERATIONS Headquarters Hewlett-Packard S.A. 150, Route du Nant-d'Avril 1217 Meyrin 2/Geneva Switzerland (41 22) 780.8111 France Hewlett-Packard France 1 Avenue Du Canada Zone D'Activite De Courtaboeuf F-91947 Les Ulis Cedex France (33 1) 69 82 60 60 Germany Hewlett-Packard GmbH Hewlett-Packard Strasse 61352 Bad Homburg v.d.
Contents 1. Equipment Required Agilent 83620B/22B Required Equipment . . . . . . . . . . . . . . . Agilent 83623B/24B Required Equipment . . . . . . . . . . . . . . . Agilent 83630B Required Equipment . . . . . . . . . . . . . . . . . Agilent 83640B Required Equipment . . . . . . . . . . . . . . . . . Agilent 83650B Required Equipment . . . . . . . . . . . . . . . . . Agilent 83623L Required Equipment . . . . . . . . . . . . . . . . . Agilent 83630L Required Equipment . . . . . . . . . . . . . . . . .
In Case of Di culty . . . . . . . . . . . . . . . . . 4. Power Accuracy . . . . . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . Related Adjustments . . . . . . . . . . . . . . . . In Case of Di culty . . . . . . . . . . . . . . . . . 5. Power Flatness . . . . . . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . Low Band Power Flatness . . . . . . . . . . . . . . High Band Power Flatness . . . . . . . . . . . . . .
Description and Procedure . . . . . . . . . . . . . . . . . Rise and Fall Times . . . . . . . . . . . . . . . . . . . Pulse Leveling Accuracy . . . . . . . . . . . . . . . . . Related Adjustments . . . . . . . . . . . . . . . . . . In Case of Di culty . . . . . . . . . . . . . . . . . . . 14. Pulse Performance (Alternate Procedure) (For B-Series Only) Description and Procedure . . . . . . . . . . . . . . . . . Rise and Fall Times < 20 GHz . . . . . . . . . . . . . . Pulse Leveling Accuracy < 20 GHz . . . .
Related Adjustments . . . . . . . . . . . . . . . . . . . . . In case of Di culty . . . . . . . . . . . . . . . . . . . . . . 20. FM Bandwidth (For B-Series Only) . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . . . . . . Find Quadrature . . . . . . . . . . . . . . . . . . . . . . . DC FM Flatness (Unlocked) . . . . . . . . . . . . . . . . . . Related Adjustments . . . . . . . . . . . . . . . . . . . . . In Case of Di culty . . . . . . . . . . . . . . . . . . . . . . 21.
5. YO Driver Gain and Linearity . . . . . . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . . . . . . . . Related Performance Tests . . . . . . . . . . . . . . . . . . . . . In Case of Di culty . . . . . . . . . . . . . . . . . . . . . . . . 6. YO Loop Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . . . . . . . . Related Performance Tests . . . . . . . . . . . . . . . . . . . . . In Case of Di culty . . .
Band 6 Adjustment (83640B/L and 83650B/L only) . . . . . . . . Band 7 Adjustment (83650B/L only) . . . . . . . . . . . . . . Auto Tracking Veri cation . . . . . . . . . . . . . . . . . . . Single-Band Ampli er/Filter Delay . . . . . . . . . . . . . . . Band 1 Adjustment . . . . . . . . . . . . . . . . . . . . . . Band 2 Adjustment . . . . . . . . . . . . . . . . . . . . . . Band 3 Adjustment . . . . . . . . . . . . . . . . . . . . . . Band 4 Adjustment (83630B/L, 83640B/L, and 83650B/L) . . . . .
16. AM Delay (8360 B-Series Only) . . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . . . . . Related Performance Tests . . . . . . . . . . . . . . . . . . In Case of Di culty . . . . . . . . . . . . . . . . . . . . . 17. FM Gain (8360 B-Series Only) . . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . . . . . . . . . . Related Performance Tests . . . . . . . . . . . . . . . . . . In Case of Di culty . . . . . . . . . . . . . . . . . . . . . 18.
4. Calibration Constants Introduction . . . . . . . . . . . . . . . De nition . . . . . . . . . . . . . . . . Memory Areas . . . . . . . . . . . . . . Working Data . . . . . . . . . . . . . Protected Data . . . . . . . . . . . . . Default Data . . . . . . . . . . . . . . Checksum Veri cation . . . . . . . . . . . Calibration Constant Password . . . . . . . Entering a Password . . . . . . . . . . Disabling a Password . . . . . . . . . . Setting a Password . . . . . . . . . . . Bypassing the Password . . . .
1. Front Panel Emulation . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . . . . Procedure . . . . . . . . . . . . . . . . . . . . 2. Calibration Constants . . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . . . . Procedure . . . . . . . . . . . . . . . . . . . . 3. Self-Test . . . . . . . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . . . . 4. Power Sensor Con guration and Calibration Factor File Description . . . . . . . . . . . . .
6. A23 10 MHz Reference Standard Removal . . . 7. T1 Transformer Removal . . . . . . . . . . 8. A19 Rear Panel Interface Removal . . . . . . 9. Voltage Selector Switch Removal . . . . . . . 10. Fuse Housing Removal . . . . . . . . . . . 11. FL1 Line Filter Removal . . . . . . . . . . 12. Option 004 BNC Connectors Removal . . . . RF Deck Disassembly and Reassembly . . . . . . Tools Required . . . . . . . . . . . . . . . Description and Procedure . . . . . . . . . . 1. Preliminary Steps . . . . . . . . . . .
11. Option Retro ts Introduction . . . . . . . . . . . . . . . . . . Add Attenuator (Add Option 001) . . . . . . . . Delete Attenuator (Delete Option 001) . . . . . . Add Modulation/Generator (Add Option 002) . . . Rear Panel RF Output (Add Option 004) . . . . . Front Panel RF Output (Delete Option 004) . . . . 1 Hz Capability (Add Option 008) . . . . . . . . MATE Compatibility (Add Option 700) . . . . . . Rack Mount Slide Kit (Add Option 806) . . . . . .
Figures 0-1. 2-1. 2-2. 2-3. 2-4. 2-5. 2-6. 2-7. 2-8. 2-9. 2-10. 2-11. 2-12. 2-13. 2-14. 2-15. 2-16. 2-17. 2-18. 2-19. 2-20. 2-21. 2-22. 2-23. 2-24. 2-25. 2-26. 2-27. 2-28. 2-29. 2-30. 2-31. 2-32. 3-1. 3-2. 3-3. 3-4. 3-5. 3-6. 3-7. 3-8. 3-9. Typical Serial Number Label . . . . . . . . . . . . . . . . . Internal Timebase: Aging Rate Test Setup . . . . . . . . . . . Swept Frequency Accuracy Test Setup . . . . . . . . . . . . . Video Signal on the Oscilloscope . . . . . . . . . . . . . . .
3-10. 3-11. 3-12. 3-16. 3-17. 3-18. 3-19. 3-20. 3-21. 3-22. 3-23. 3-24. 3-25. 3-26. 3-27. 3-28. 3-29. 3-30. 3-31. 3-32. 3-33. 3-34. 3-35. 3-36. 3-37. 3-38. 3-39. 3-40. 3-41. 3-42. 5-1. 5-2. 6-1. 6-2. 6-3. 6-4. 6-5. 6-6. 6-7. 6-8. 6-9. 7-1. 7-2. 7-3. 7-4. 7-5. 7-6. 7-7. 7-8. 7-9. 7-10. Switch and Adjustment Locations . . . . . . . . Ampli er/Multiplier Adjustments Setup . . . . . A12 Assembly Potentiometer Locations . . . . . Single-Band Delay and Risetime Compensation . .
7-11. 7-12. 7-13. 7-14. 7-15. 7-16. 7-17. 7-18. 7-19. 7-20. 7-21. 7-22. 7-23. 7-24. 7-25. 7-26. 7-27. 7-28. 7-29. 7-30. 7-31. 7-32. 7-33. 7-34. 7-35. 7-36. 7-37. 7-38. 7-39. 7-40. 7-41. 7-42. 7-43. 7-44. 7-45. 7-46. 7-47. 7-48. 7-49. 7-50. 7-51. 7-52. 7-53. 7-54. 7-55. 7-56. 7-57. 7-58. 7-59. 7-60. 7-61. Front Panel BNC Locations . . . . . . . . . . . . . . . . . . . . . Keyboard Assembly Removal . . . . . . . . . . . . . . . . . . . . . Keypad and Anti-rock Sheets . . . . . . . . . . . . . . . . . . . . .
7-62. 9-1. 9-2. 9-2. 9-2. 9-2. 9-2. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-3. 9-4. 9-5. 9-6. 9-6. 9-6. 9-7. 9-8. 9-9. 9-10. 9-11. 9-12. 9-13. 9-14. 9-15. 10-1. 10-2. 10-3. 12-3. 12-4. 12-5. 12-6. Motherboard Screws . . . . . . . . . . . . . . . . . Module Exchange Program . . . . . . . . . . . . . . . Major Assemblies (1 of 5) . . . . . . . . . . . . . . . Major Assemblies (2 of 5) . . . . . . . . . . . . . . . Major Assemblies (3 of 5) . . . . . . . . .
Tables 2-1. 2-2. 2-3. 2-4. 2-5. 2-6. 2-7. 2-8. 2-9. 2-10. 2-11. 2-12. 2-13. 2-14. 2-15. 2-16. 2-17. 2-18. 2-19. 2-20. 2-21. 2-22. 2-23. 2-24. 2-25. 2-26. 2-27. 2-28. 2-29. 2-30. 2-33. 2-33. 2-33. 2-33. 2-33. 2-33. 2-33. 2-33. 2-34. 2-34. 2-34. 2-34. 2-34. Operation Veri cation Form . . . . . . . . . . . . . . . . . . . . Swept Frequency Accuracy Instrument Settings . . . . . . . . . . . . Additional Instrument Settings . . . . . . . . . . . . . . . . . . . Additional Instrument Settings . . . . . . . . . .
2-34. 2-34. 2-34. 2-35. 2-35. 2-35. 2-35. 2-35. 2-35. 2-35. 2-35. 2-36. 2-36. 2-36. 2-36. 2-36. 2-36. 2-36. 2-36. 2-37. 2-37. 2-37. 2-37. 2-37. 2-37. 2-37. 2-37. 2-34. 2-34. 2-34. 2-34. 2-34. 2-35. 2-35. 2-35. 2-35. 2-35. 2-36. 2-36. 2-36. 2-36. 2-36. 2-37. 2-37. 2-37. 2-37. 2-37. 2-37. 3-1. 3-2. 3-4. Test Record for 83623B and 83624B (6 of 8) . . . . . . Test Record for 83623B and 83624B (7 of 8) . . . . . . Test Record for 83623B and 83624B (8 of 8) . . . . . . Test Record for Agilent 83630B (1 of 8) . .
3-5. 3-6. 3-7. 3-8. 3-9. 3-10. 4-9. 4-10. 4-11. 5-1. 5-2. 5-3. 5-4. 8-1. 9-1. 9-2. 9-3. 9-4. 9-5. 9-6. 9-7. 9-7. 9-8. 9-9. 9-10. 9-11. 9-12. 9-13. 9-14. 9-15. 9-16. 12-1. 12-2. 12-3. 12-4. Frequency Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . ALC O set Calibration Constant Default Values . . . . . . . . . . . . Center Frequencies and Calibration Constants . . . . . . . . . . . . . ALC Calibration Constants and Default Values . . . . . . . . . . . . .
1 Equipment Required Each Required Equipment list is shown below. The page number of each list is also included for easy access.
Agilent 83620B/22B Required Equipment Table 1-1 Required Equipment for 83620B/22B Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer HP/Agilent 8566B2 Frequency Range: 10 MHz to 20 GHz Frequency Span: 0 Hz, 100 Hz to 20 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-1. Required Equipment for 83620B/22B (continued) Instrument Critical Speci cations Recommended Model Use1 Software No Substitute (Shipped with instrument) P/N 08360-10001 Step Attenuator Flatness (AP) Power Flatness and Accuracy (AP) Step Attenuator Flatness (AA) YO Delay (AA) ADC (AA) Power Flatness (AA) DVM Range: 050 to +50 VDC Accuracy: 60.
Table 1-1.
Table 1-1. Required Equipment for 83620B/22B (continued) Instrument Critical Speci cations Recommended Model Use1 Power Meter Power Range: 1 W to 100 mW Accuracy: 60.02 dB HP/Agilent 438A Power Flatness and Accuracy (AP) Power Flatness (AA) Step Attenuator Flatness (AA) Step Attenuator Flatness (AP) Power Sensor Frequency Range: 10 MHz to 2.
Table 1-1. Required Equipment for 83620B/22B (continued) Instrument Critical Speci cations Recommended Model Use1 Phase Noise Measurement System Frequency Range (carrier): 0.
Table 1-1.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83623B/24B Required Equipment Table 1-2. Required Equipment for 83623B/24B Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer HP/Agilent 8566B2 Frequency Range: 10 MHz to 20 GHz Frequency Span: 0 Hz, 100 Hz to 20 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-2. Required Equipment for 83623B/24B (continued) Instrument Critical Speci cations Recommended Model Use1 Software No Substitute (Shipped with instrument) P/N 08360-10001 Step Attenuator Flatness (AP) Power Flatness and Accuracy (AP) Step Attenuator Flatness (AA) YO Delay (AA) ADC (AA) Power Flatness (AA) DVM Range: 050 to +50 VDC Accuracy: 60.
Table 1-2.
Table 1-2. Required Equipment for 83623B/24B (continued) Instrument Critical Speci cations Recommended Model Use1 Power Sensor Frequency Range: 10 MHz to 2.
Table 1-2. Required Equipment for 83623B/24B (continued) Instrument Critical Speci cations Recommended Model Use1 Frequency Standard Frequency: 10 MHz Stability: < 1 x 10010 /yr HP/Agilent 5061A/ HP/Agilent 5071A Internal Timebase: Aging Rate (P) 10 MHz Standard (A) Microwave Ampli er Frequency Range: 1.5 to 18 GHz Leveled Output Power: 16 dBm HP/Agilent 8348A FM Bandwidth (P) Preampli er/ Power Ampli er Frequency Range: 100 kHz to 1.
Table 1-2. Required Equipment for 83623B/24B (continued) Instrument Critical Speci cations Recommended Model Use1 3.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83630B Required Equipment Table 1-3. Required Equipment for 83630B Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer HP/Agilent 8566B2 Frequency Range: 10 MHz to 22 GHz (26.5 GHz with external mixers) Frequency Span: 0 Hz, 100 Hz to 22 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-3. Required Equipment for 83630B (continued) Instrument Critical Speci cations Recommended Model Use1 Software No Substitute (Shipped with instrument) P/N 08360-10001 Step Attenuator Flatness (AP) Power Flatness and Accuracy (AP) Step Attenuator Flatness (AA) YO Delay (AA) ADC (AA) Power Flatness (AA) DVM Range: 050 to +50 VDC Accuracy: 60.
Table 1-3.
Table 1-3. Required Equipment for 83630B (continued) Instrument Critical Speci cations Recommended Model Use1 Power Sensor Frequency Range: 10 MHz to 2.3 GHz Power Range: 1 W to 100 mW HP/Agilent 8482A Power Flatness (P) Power Flatness (A) Step Attenuator Flatness (AP) Power Flatness and Accuracy (AP) Step Attenuator Flatness (AA) Power Flatness (AA) Power Sensor Frequency Range: 50 MHz to 26.
Table 1-3. Required Equipment for 83630B (continued) Instrument Critical Speci cations Recommended Model Use1 Frequency Standard Frequency: 10 MHz Stability: < 1 x 10010 /yr HP/Agilent 5061A/ HP/Agilent 5071A Internal Timebase: Aging Rate (P) 10 MHz Standard (A) Microwave Ampli er Frequency Range: 1.5 to 26.5 GHz Leveled Output Power: 16 dBm HP/Agilent 8348B FM Bandwidth (P) Preampli er/ Power Ampli er Frequency Range: 100 kHz to 1.
Table 1-3. Required Equipment for 83630B (continued) Instrument Critical Speci cations Recommended Model Use1 HP/Agilent 8493C Option 020 Maximum Leveled Power (P) Pulse Performance (P) 3.7 GHz Low Pass Filter P/N 9135-0191 Pulse Modulation Video Feedthrough (P) 130 MHz Bessel Low Pass Filter Pulse Modulation Video K & L Microwave 5LL30-130/BT2400/BP Feedthrough (P) 500 MHz Low Pass Filter Mini-Circuits SLP-550 Attenuator Tool Kit Frequency Range: 10 MHz to 26.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83640B Required Equipment Table 1-4. Required Equipment for 83640B Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer Frequency Range: 10 MHz to 22 GHz (40 GHz with external mixers) Frequency Span: 0 Hz, 100 Hz to 22 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-4. Required Equipment for 83640B (continued) Instrument Critical Speci cations Recommended Model Use1 Software No Substitute (Shipped with instrument) P/N 08360-10001 Step Attenuator Flatness (AP) Power Flatness and Accuracy (AP) Step Attenuator Flatness (AA) YO Delay (AA) ADC (AA) Power Flatness (AA) DVM Range: 050 to +50 VDC Accuracy: 60.
Table 1-4.
Table 1-4. Required Equipment for 83640B (continued) Instrument Critical Speci cations Recommended Model Use1 Power Sensor Frequency Range: 10 MHz to 2.
Table 1-4. Required Equipment for 83640B (continued) Instrument Critical Speci cations Recommended Model Use1 Frequency Standard Frequency: 10 MHz Stability: < 1 x 10010 /yr HP/Agilent 5061A/ HP/Agilent 5071A Internal Timebase: Aging Rate (P) 10 MHz Standard (A) Microwave Ampli er Frequency Range: 1.5 to 26.5 GHz Leveled Output Power: 16 dBm HP/Agilent 8348A FM Bandwidth (P) Preampli er/ Power Ampli er Frequency Range: 100 kHz to 1.
Table 1-4. Required Equipment for 83640B (continued) Instrument Critical Speci cations Recommended Model Use1 3.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83650B Required Equipment Table 1-5. Required Equipment for 83650B Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer Frequency Range: 10 MHz to 22 GHz (50 GHz with external mixers) Frequency Span: 0 Hz, 100 Hz to 22 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-5. Required Equipment for 83650B (continued) Instrument Critical Speci cations Recommended Model Software No Substitute (Shipped with instrument) P/N 08360-10001 DVM Range: 050 to +50 VDC Accuracy: 60.
Table 1-5.
Table 1-5. Required Equipment for 83650B (continued) Instrument Critical Speci cations Recommended Model Use1 Power Sensor Frequency Range: 10 MHz to 2.
Table 1-5. Required Equipment for 83650B (continued) Instrument Critical Speci cations Recommended Model Use1 Frequency Standard Frequency: 10 MHz Stability: < 1 x 10010 /yr HP/Agilent 5061A/ HP/Agilent 5071A Internal Timebase: Aging Rate (P) 10 MHz Standard (A) Microwave Ampli er Frequency Range: 1.5 to 26.5 GHz Leveled Output Power: 16 dBm HP/Agilent 8348A FM Bandwidth (P) Preampli er/ Power Ampli er Frequency Range: 100 kHz to 1.
Table 1-5. Required Equipment for 83650B (continued) Instrument Critical Speci cations Recommended Model Use1 3.
Table 1-5. Required Equipment for 83650B (continued) Instrument Critical Speci cations Recommended Model Use1 R{Band Coax WR28 to APC 2.4 mm (f) Adapter R281A Spurious Signals (Harmonic) (P) Pulse Performance-Alt (P) Q{Band Coax WR22 to APC 2.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83623L Required Equipment Table 1-6. Required Equipment for 83623L Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer HP/Agilent 8566B2 Frequency Range: 10 MHz to 20 GHz Frequency Span: 0 Hz, 100 Hz to 20 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-6.
Table 1-6. Required Equipment for 83623L (continued) Instrument Critical Speci cations Recommended Model Use1 Power Sensor Frequency Range: 10 MHz to 2.
Table 1-6.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83630L Required Equipment Table 1-7. Required Equipment for 83630L Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer HP/Agilent 8566B2 Frequency Range: 10 MHz to 22 GHz (26.5 GHz with external mixers) Frequency Span: 0 Hz, 100 Hz to 22 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-7.
Table 1-7. Required Equipment for 83630L (continued) Instrument Critical Speci cations Recommended Model Use1 Power Sensor Frequency Range: 50 MHz to 26.5 GHz Power Range: 100 pW to 10 W HP/Agilent 8485D Step Attenuator Flatness (AA) Step Attenuator Flatness (AP) Power Sensor Frequency Range: 50 MHz to 26.
Table 1-7. Required Equipment for 83630L (continued) Instrument Critical Speci cations Recommended Model Use1 Attenuator Frequency Range: 10 MHz to 26.5 GHz HP/Agilent 8493C Opt 010 Maximum Input Power: 300 mW Attenuation: 10 dB Power Accuracy (P) Spurious Signals (Harmonic) (P) Amp/Mult Adjustments (A) Amp/Filt Adjustments (A) Step Attenuator Flatness (AA) Step Attenuator Flatness (AA) Attenuator Frequency Range: 10 MHz to 26.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83640L Required Equipment Table 1-8. Required Equipment for 83640L Instrument Critical Speci cations Recommended Model Use1 Spectrum Analyzer Frequency Range: 10 MHz to 22 GHz (40 GHz with external mixers) Frequency Span: 0 Hz, 100 Hz to 22 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-8.
Table 1-8.
Table 1-8.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
Agilent 83650L Required Equipment Table 1-9. Required Equipment for 83650L Instrument Spectrum Analyzer Analog Oscilloscope Critical Speci cations Frequency Range: 10 MHz to 22 GHz (50 GHz with external mixers) Frequency Span: 0 Hz, 100 Hz to 22 GHz Amplitude Range: +20 to 0100 dBm Resolution Bandwidth: 10 Hz to 3 MHz Video Bandwidth: 10 Hz to 3 MHz Log Fidelity: 60.1 dB/dB over 0 to 80 dB display (61.
Table 1-9.
Table 1-9.
Table 1-9.
The following list of adapters and cables is provided for convenience. They may be used in equipment setups for performance tests or adjustments. SMA (m) to SMA (m) adapter 1250-1159 SMA (f) to SMA (f) adapter 1250-1158 SMB (m) to SMB (m) adapter 1250-0669 SMB (f) to SMB (f) adapter 1250-0672 SMB tee (f) (m) (m) 1250-1391 3.5 mm (f) to 3.5 mm (f) adapter 3.5 mm (f) to N-type (m) adapter 2.4 mm (f) to 2.92 mm (f) adapter 2.4 mm (f) to 2.4 mm (f) adapter 2.4 mm (m) to 3.
2 Performance Tests How to Use This Chapter Use the procedures in this chapter to test the electrical performance of the synthesizer. These tests do not require access to the interior of the instrument. The synthesizer must warm up for at least one hour before the electrical speci cations are valid. Menu Maps Fold-out menu maps are located in Chapter 6. Some menus have more than one page of softkeys. Select the more softkey to view the next page of softkeys.
List of Tests The following is a list of this chapter's tests and the page number that each test is located on: Operation Veri cation Tests : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 2-5 Performance Tests : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 2-8 1.
Equipment Required The equipment required to perform the tests in this chapter is listed in Chapter 1. You may use any equipment that meets the critical speci cations given. Test Record Test records are supplied at the end of this chapter. Use a test record when you perform a full calibration of your synthesizer. This form provides a tabulated index of the performance tests, their acceptable limits, the measurement uncertainty of each test, and a column to record actual measurements.
Operation Verification The following procedures meet the needs of most incoming inspections (80% veri cation), and provide a reasonable assurance that the instrument is functioning properly. The Operation Veri cation Form is located below. Perform these operation veri cation procedures in the order given and record the pass/fail results in the Operation Veri cation Form. Table 2-1.
1. Self-tests 1. Perform the full self-tests contained in the instrument rmware. No additional test equipment is required. Press 4SERVICE5 Selftest (Full) . The synthesizer executes a series of self-tests. When completed, the following message is displayed if all the tests passed: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ALL SELF-TESTS HAVE PASSED! Note Occasionally, the self-tests may fail when it is run remotely or when external cables are connected to the instrument.
3. Power Flatness 1. Follow the procedure for this performance test given in this chapter. 2. If the synthesizer passes this test, record Pass on the operation veri cation form and continue to the next test, \Maximum Leveled Power." If the synthesizer fails, record Fail on the operation veri cation form and then follow the \In Case of Di culty" instructions given for this performance test. After repair, repeat operation veri cation from the beginning. 4. Maximum Leveled Power 1.
PERFORMANCE TESTS 1. Internal Timebase: Aging Rate Description and Procedure This procedure checks the accuracy of the internal timebase. The time required for a speci c phase change is measured both before and after a speci ed waiting period. The aging rate is inversely proportional to the absolute value of the di erence in the measured times.
Frequency changes due either to a change in orientation with respect to the earth's magnetic eld, or to a change in altitude, usually go away when the instrument is returned to its original position. A frequency change due to mechanical shock usually appears as a xed frequency error. 1. Connect the equipment as shown in Figure 2-1. Preset all instruments and let them warm up for at least one hour. Note If the oscilloscope does not have a 50 input impedance, connect channel 1 through a 50 feedthrough.
2. On the oscilloscope, adjust the external triggering for a display of the 10MHz REF OUTPUT signal from the synthesizer: Channel 1: Display Volts/Division Input Coupling Input Impedance On 120 mV dc 50 Channel 2: Display Off Timebase: Time/Division Delay Delay Reference Sweep 5 ns 0 s At center Trig'd Trigger: Trigger Mode Trig 3 Level Trigger Src Input Impedance Input Coupling Edge 100 mV Trig 3 50 dc Display: Display Mode Real time 3. Monitor the time and the display.
6. Calculate the aging rate as follows: Aging Rate = (1 cycle/10 MHz) (1/T1 0 1/T3) (24 hours/T2) Example: T1 = 351 seconds T2 = 3 hours T3 = 349 seconds = (1 cycle/10 MHz) (1/351s = 1.306x10 11 per day 0 0 1/349s) (24h/3h) 7. Enter the aging rate on the test record. Note If the absolute frequency of the standard and of the timebase oscillator are extremely close, you can reduce the measurement time (T1 and T3) by measuring the time required for a phase change of less than 360 .
2. Swept Frequency Accuracy Description and Procedure With the synthesizer in swept mode, the spectrum analyzer is set to zero span at the measurement frequency. As the synthesizer sweeps through the spectrum analyzer frequency setting, a signal is generated on the spectrum analyzer's video output that is input to the oscilloscope. The synthesizer's TRIGGER OUTPUT, used to trigger the oscilloscope, is a series of 1601 pulses, evenly spaced during the sweep.
Span: Reference Level: Scale Log: Resolution Bandwidth: 3. Set the oscilloscope as follows: Note 0 Hz 0 dBm 10 dB/div 100 kHz Trigger 3 is a trigger enable that ensures that channel 2 (the true trigger) triggers only on a forward sweep after the speci ed number of events.
Timebase: Time/Division Delay Delay Reference Sweep 25 s 0 s At center Triggered Trigger: Trigger Trigger Trigger Trigger Trigger Trigger Trigger Trigger Trigger Trigger Trigger Edge Chan 2 1.6 V Trig 3 1.6 V Events Positive Edge Trig 3 33 events Positive edge Channel 2 Mode Src Level Src Level Mode After On On Of On Display: Display Mode 4.
Table 2-2. Swept Frequency Accuracy Instrument Settings Synthesizer Frequency (GHz) Start Stop 0.01 0.01 2 2 2 2 2 2 7 7 15 15 2 2 2 2 7 7 7 7 20 9.1 7 7 7 7 7 7 13.5 13.5 20 20 13.5 13.5 13.5 13.5 20 20 20 20 Spectrum Analyzer Oscilloscope Frequency Percent Center Frequency Trigger Events Error (GHz) 5.357325 5.98099375 2.10 3.20625 3.26875 5.215625 5.653125 6.90625 7.1990625 13.296875 15.20 19.696875 2.100625 6.8875 7.203750 13.385 7.195 13.3375 13.76 19.
Figure 2-3. Video Signal on the Oscilloscope 6. Note the nal center frequency setting required to center the video signal. 7. Record the di erence between the initial center frequency setting and the value noted in step 6 in Table 2-2 as frequency error. 8. Repeat steps 5 through 7 for the remaining instrument settings in Table 2-2 and Table 2-3 through Table 2-6 as appropriate for each instrument model. 9.
For 83630B/L only: Table 2-4. Additional Instrument Settings Synthesizer Frequency (GHz) Start Stop 0.01 2 2 2 2 2 2 2 2 26.5 26.5 26.5 26.5 26.5 26.5 26.5 26.5 26.5 Spectrum Analyzer Oscilloscope Frequency Percent Center Frequency Trigger Events Error (GHz) 5.45700625 2.18375 6.7775 7.145 13.3925 13.6375 19.7625 20.13 26.49875 330 13 313 337 745 761 1161 1185 1405 For 83640B/L only: Table 2-5. Additional Instrument Settings Synthesizer Frequency (GHz) Start Stop 0.01 2 2 2 2 2 2 2 2 2 2 2 2 26.
For 83650B/L only: Table 2-6. Additional Instrument Settings Synthesizer Frequency (GHz) Start Stop 0.01 2 2 2 2 2 2 2 2 2 2 2 2 2 2 26.5 50 50 50 50 50 50 50 50 50 50 50 50 50 50 Spectrum Analyzer Oscilloscope Frequency Center Frequency Trigger Events Error (GHz) 5.45700625 2.15 6.86 7.1 13.4 13.61 19.85 20.12 23.75 13.3 16.66 16.75 18.94 19.06 23.
3. Frequency Switching Time Description and Procedure The synthesizer's Z-AXIS BLANK/MARKER output goes active high when a change in frequency is initiated, and returns low when the synthesizer settles at the new frequency. Using an oscilloscope to monitor this output, the frequency switching time is measured in CW, step sweep, and frequency list modes. 1. Connect the equipment as shown in Figure 2-4. Preset both instruments and let them warm up for at least one hour. Figure 2-4.
CW Frequency Switching Time (Across Bandswitch Points) 2. On the oscilloscope, set: Channel 1: Display Preset Input Coupling Input Impedance On TTL dc 1 M Channel 2: Display Off Timebase: Time/Division Delay Reference Delay Sweep 10 ms At left 10 ms Triggered Trigger: Trigger Trigger Trigger Trigger Edge Chan 1 1.6 V Pos Mode Src Level Slope Display: Display Mode Averaging 0 Repetitive Off the rst Initial CW Frequency 3. On the synthesizer, set in Table 2-7. 4.
Stepped Sweep Frequency Switching Time (Within a Frequency Band) 9. On the synthesizer, press: FREQUENCY 4MENU5 Step NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNN Swp Menu Step Size 41005 4MHz5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Step Dwell 4105 4ms5 4START5 42.45 4GHz5 4STOP5 46.95 4GHz5 4SINGLE5 SWEEP 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Sweep Mode Step 4SINGLE5 10.
Frequency List for Synthesizers with 0.01 GHz Capability Frequency (GHz): 6.9 2.1 1.9 13.5 20.0 26.51 40.01 1 Disregard if beyond your synthesizer's capability. Frequency List for Synthesizers without 0.01 GHz Capability Frequency (GHz): 7.1 6.9 2.0 13.5 20.0 26.51 40.01 1 Disregard if beyond your synthesizer's capability. 19.
20. On the synthesizer, press: 4SINGLE5 SWEEP 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Sweep Mode List 4SINGLE5 21. On the oscilloscope, set a single sweep at the next trigger. Press 4Stop/Single5. The oscilloscope should display Awaiting Trigger. 22. On the synthesizer, initiate a frequency list sweep. Press 4SINGLE5. 23.
4. Power Accuracy Description and Procedure Using a power meter, check the power accuracy of the synthesizer at several CW frequencies. At each frequency, verify that the actual output power is within speci cation over the full dynamic range of the ALC loop. 1. Turn on the equipment shown in Figure 2-5 and let them warm up for at least one hour. Press 4PRESET5 on the synthesizer. 2. On the power meter: a. Zero and calibrate the power meter/sensor. b. Set to dBm mode. 3.
Table 2-8. Power Accuracy Frequencies Frequency (GHz) Measured Di erence at 10 dBm Measured Di erence at > 10 dBm 0.11 1.01 6.0 10.0 18.0 23.01 28.01 36.01 45.01 1 Disregard if beyond your synthesizer's capability. 8. On the power meter, set the power sensor calibration factor for the frequency to be measured. 9. Note the di erence between the power meter reading and the power value set on the synthesizer. Write this value down on a separate piece of paper.
In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
5. Power Flatness Description and Procedure This procedure uses the user atness correction array to automatically measure power atness. The power meter is connected directly to the synthesizer's RF output. The synthesizer controls the power meter via GPIB while the power meter measures the RF output. (There cannot be another controller on the GPIB during this test.) If the synthesizer has a step attenuator, it is set to 0 dB so that any input into the atness array indicates the RF output power atness.
c. Set the auto ll start frequency to 15 MHz: 4PRIOR5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Auto Fill Start 4155 4MHz5 d. Set the auto ll increment to 10 MHz: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Auto Fill Incr 4105 4MHz5 3. On the power meter, load the calibration factors for the power sensor. a. Zero and calibrate the power meter/sensor. b. Connect the power sensor to the synthesizer's RF OUTPUT as shown in Figure 2-6. 4.
6. Maximum Leveled Power Note This performance test is not valid unless the synthesizer meets both its power accuracy and power atness speci cations. Perform those tests rst. Description and Procedure The unleveled status indicator is displayed when the instrument is unleveled as the synthesizer sweeps over speci c frequency ranges in fast continuous sweep, and fast and slow single sweep operation.
4. Increase the power level until the unleveled status indicator comes on, then reduce the power level until the indicator just goes o . (Power is leveled). 5. Set the sweep to 4SINGLE5 and initiate several sweeps. If necessary, reduce the power level until the unleveled status indicator does not turn on while sweeping. 6. On the synthesizer, press: 4SWEEP TIME5 40.55 4sec5 Initiate several sweeps. If necessary, reduce the power level until the unleveled status indicator does not turn on while sweeping.
7. External Leveling Description and Procedure The synthesizer is set up to externally level using a negative crystal detector. A DVM measures the crystal detector DC output. A 1000 pf capacitor across the DVM input limits the e ect of any small signals generated by the DVM. The synthesizer power level is set to the minimum allowable limit and then is increased until the power output is leveled. The external leveling voltage is then measured and compared to the minimum speci cation.
3. Connect the equipment as shown in Figure 2-8. 4. On the synthesizer, press: 4ALC5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Leveling Point ExtDet Coupling Factor 405 4dB5 0 4POWER LEVEL5 4 365 4dBm5 5. Maximum accuracy for the HP/Agilent 3456A is obtained by increasing the DVM display resolution and the number of integration cycles.
8. Spurious Signals (Harmonics & Subharmonics) Description and Procedure Use this procedure to measure the synthesizer's harmonics and subharmonics over its entire frequency range. Harmonics are integer multiples of the synthesizer RF output frequency and subharmonics are fractional multiples of the YO frequency. Subharmonics do not exist at all frequencies. In low band, mixer spurs and fundamental feedthrough are the most signi cant harmonically-related signals.
Harmonic Measurement < 20 GHz 3. Connect the equipment as shown in Figure 2-9. 4. On the synthesizer, press: 4POWER LEVEL5 Set the maximum speci ed leveled power. SWEEP 4MENU5 Manual Sweep 5. On the spectrum analyzer, set the rst set of start and stop frequencies from Table 2-9. Then set: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 0 Reference Level: 20 dBm Scale Log: 5 dB/Division Bandwidth Resolution: 3 MHz Video Bandwidth 3 MHz Table 2-9.
For the 83624B, 83623B/L, 83640B/L, and 83650B/L and all for instruments with Option 006: On the test record, record the value of the worst case harmonic for RF output frequencies of 10 to < 50 MHz and 50 MHz to 2.0 GHz. 9. Reset your synthesizer to the parameters given in step 5.
10. For each set of start and stop frequencies given in Table 2-9 manually sweep the synthesizer across the frequency range and check the spectrum analyzer display for harmonics and subharmonics. 11. Compare the harmonics/subharmonics to the speci cations listed in the test record and verify any that are within 5 dB of speci cation with the \Harmonic/Subharmonic Veri cation Procedure < 20 GHz." 12.
14. On the spectrum analyzer, select the external mixer for the 20 to 26.5 GHz frequency range and set the reference level o set to compensate for the mixer's conversion loss at 23 GHz. 15. On the synthesizer, press: 4CW5 4235 4GHz5 16. Set the microwave ampli er output power level to +16 dBm. 17. On the spectrum analyzer, set: Center Frequency: 23 GHz Frequency Span: 1 MHz Adjust the reference level to position the signal peak at the top reference graticule.
Harmonic Measurement 26.5 to 40 GHz Disregard if beyond your synthesizer's capability. 22. Replace the HP/Agilent 11970K mixer with the HP/Agilent 11970A Mixer (26.5 to 40 GHz). 23. On the spectrum analyzer, select the external mixer for the 26.5 to 40 GHz frequency range and set the reference level o set to compensate for the mixer's conversion loss at 33 GHz. 24. On the synthesizer, press: 4CW5 4335 4GHz5 25.
33. On the spectrum analyzer, set: Center Frequency: 40 GHz Frequency Span: 1 MHz Adjust the reference level to position the signal peak at the top reference graticule. Use this reference level for all harmonic measurements. 34. On the spectrum analyzer, set: Start Frequency: 38 GHz Stop Frequency: 50 GHz 35. Manually sweep the synthesizer across the frequency range while checking the spectrum analyzer display for harmonics and subharmonics.
2. On the spectrum analyzer, set: Frequency: Span: Reference Level: Scale Log: Bandwidth Resolution: Video Bandwidth: Same frequency as the synthesizer 1 MHz 15 dBm 5 dB/Division 10 kHz 30 kHz 3. Measure the synthesizer RF output amplitude with the spectrum analyzer marker. 4. Set the spectrum analyzer to the harmonic or subharmonic frequency to be measured. Measure the signal level with the spectrum analyzer marker. Change the reference level as necessary. 5.
3. On the spectrum analyzer, set: Frequency: Span: Reference Level: Scale Log: Bandwidth Resolution: Video Bandwidth: Same frequency as the synthesizer 1 MHz 15 dBm 5 dB/Division 10 kHz 30 kHz 4. Measure the synthesizer RF output amplitude with the spectrum analyzer marker. 5. Set the synthesizer to the CW frequency noted in step 1. 6. Measure the signal level with the spectrum analyzer marker. Change the reference level as necessary. 7.
9. Spurious Signals (Non-Harmonic) Description and Procedure Use this procedure to measure known, xed, o set spurs that are generated in the frequency synthesis section of the synthesizer. The synthesizer is set to various CW frequencies where these spurious signals will most likely occur. Then the spectrum analyzer is tuned to the spur frequencies to measure their levels. 1. Preset the instruments shown in Figure 2-11 and let them warm up for at least one hour.
6. On the spectrum analyzer, set the marker to the highest peak and then set the marker to center frequency. Decrease the frequency span to 100 Hz keeping the signal centered on the display and then repeat the marker peak search and set the marker to center frequency. 7. Note the signal amplitude on the spectrum analyzer. This is the carrier amplitude to which the spurs are referenced. dBm Carrier Amplitude 8. Use the following procedure to determine the actual frequency of the spurs in Table 2-12: a.
10. Locate the spur corresponding to the spectrum analyzer frequency (see Table 2-12) and use the marker to measure its amplitude. If the spur is in the noise level, use the noise level amplitude (this gives a worst case value). dBm Spur Absolute Amplitude 11. Calculate the spur level in dBc as follows: Carrier Amplitude (dBm) 0 Spur Absolute Amplitude (dBm) = Spur Level (dBc) Record the result on the test record. Compare the result to the speci cation. 12.
Low Band Mixer Spurs 17. On the synthesizer, press: 4CW5 41.65 4GHz5 18. On the spectrum analyzer, set: Start Frequency: Stop Frequency: Reference Level: Resolution Bandwidth: Video Bandwidth: Sweep Time: Scale Log: Marker: 1.4 GHz 1.8 GHz 0 dBm 300 kHz 100 kHz Auto 10 dB/Division Normal Peak Search MKR-->REF LVL 19. Set the synthesizer to CW 1.9999 GHz and tune from 1.9999 GHz to 1.8 GHz. This results in the most dominant mixing spur moving from 1.4 to 1.8 GHz.
10. Spurious Signals (Line-Related) Description and Procedure Use this procedure to measure line-related spurs. The synthesizer is placed at a CW frequency where the synthesizer is most sensitive to line-related spurs. The spectrum analyzer measures the RF output o set by the harmonics of the line power frequency (60 Hz or 50 Hz).
Marker: Set to 6.99 GHz 6. On the spectrum analyzer, set the marker to the highest peak and note the frequency di erence of the marker from the center frequency. Calibrate the spectrum analyzer frequency o set so that the signal peak is in the center of the display. 7. Note the signal amplitude on the spectrum analyzer. This is the carrier amplitude to which the spurs are referenced. dBm Carrier Amplitude Note This procedure is written for a line frequency of 60 Hz.
Related Adjustments None In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
11. Single Sideband Phase Noise Description and Procedure This procedure uses a phase noise measurement system. It is the fastest and most accurate method for measuring phase noise. 1. Connect the equipment as shown in Figure 2-13. Preset the equipment and let them warm up for at least one hour.
Figure 2-13.
2. Load the measurement software for the phase noise measurement system. 3. On the synthesizer, press: 4CW5 46.995 4GHz5 4POWER LEVEL5 405 4dBm5 4. On the phase noise measurement system, set: Measurement Type: Start Offset Freq: Stop Freq: Minimum Averages: Carrier Frequency: Det Input Freq: DUT: Ref Source: Ext Timebase: Down Converter: HP 11848A LNA: Note phase locked 100 Hz 2 MHz 40 6.
At the message VERIFY BEATNOTE <1 MHZ, tune the signal generator for minimum sine wave frequency with the frequency domain signal near the left edge (0 Hz). 7. When the measurement is complete record the results on the test record and compare them to the speci cation. 8. Repeat steps 3 through 6 for the frequencies in Table 2-16. Table 2-16. Frequency Setting for Phase Noise Measurements Synthesizer Phase Noise Measurement System Frequency Carrier Frequency Detector Input (GHz) (GHz) (MHz) 1.971 18.
12. Pulse Modulation On/Off Ratio (For B-Series Only) Description and Procedure Using a spectrum analyzer, the synthesizer's CW RF output power is measured both with pulse on and with pulse o . The di erence in power is the pulse on/o ratio. 1. Connect the equipment as shown in Figure 2-14. Preset all instruments and let them warm up for at least one hour. On the HP/Agilent 8556B, connect the CAL OUTPUT to the RF INPUT. Press 4SHIFT5 4W5 to calibrate the spectrum analyzer. Figure 2-14.
2. On the synthesizer, press: 4CW5 The rst center frequency in Table 2-17. For the 83623B/24B only: Set the power level to 0 dBm by pressing: 4POWER LEVEL5 405 4dBm5 For all other synthesizers: Set the power level to 09.9 dBm by pressing: 0 4POWER LEVEL5 4 9.95 4dBm5 Then, for all synthesizers: Press: FREQUENCY 4MENU5 3.
For a CW Frequency of 6.0 GHz: a. Step the synthesizer and spectrum analyzer in 50 MHz steps from 6.0 to 7.0 GHz. b. Note the frequency of the highest amplitude signal. Set the synthesizer and spectrum analyzer to this frequency. c. Set the marker to the highest peak and note the maximum marker amplitude. 12. Record the worst case value from Table 2-17 on the test record. Related Adjustments None In Case of Difficulty 1. A failure can be caused by a spur.
13. Pulse Performance (For B-Series Only) Description and Procedure In this procedure, the synthesizer's RF output is displayed directly on a high-bandwidth digitizing oscilloscope where the rise and fall times are measured and a comparison of pulsed and CW power level accuracy is made. Power level accuracy is checked at a 10 Hz pulse repetition rate to verify its operation at the slowest speci ed rate. Rise and Fall Times 1. Connect the equipment as shown in Figure 2-15.
Leveling Mode Search (asterisk on) 4USER CAL5 Tracking Menu Peak RF Always NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN (asterisk on) Table 2-18. Synthesizer Frequencies Risetime Synthesizer Frequencies (GHz) Falltime Level Accuracy 1.91 5.0 9.0 15.0 23.01 28.01 35.01 45.01 1 Disregard if Note beyond your synthesizer's capability.
Display Mode Display Time Screen Persistence 1 sec Single On the oscilloscope, turn the waveform math function on. Then use the waveform math maximum function to determine the pulse envelope when making the following measurements. Note 5. On the synthesizer, press: (asterisk on) or, for synthesizers with Option 002, press: 4MOD5 Pulse Menu Pulse On/Off Ext (asterisk on) 6. On the oscilloscope: a. Adjust the timebase delay to position the rising edge of the pulsed RF near the center of the display. b.
7. Adjust the timebase delay to position the falling edge of the pulse near the center of the oscilloscope display. 8. Measure the falltime the same way as you measured the risetime (see step 6). Record this value in Table 2-18. 9. Repeat steps 5 through 8 at each synthesizer frequency in Table 2-18. 10. Record each worst case risetime and falltime value from Table 2-18 on the test record. Figure 2-17. Widened Pulse Envelope Pulse Leveling Accuracy 11.
13. On the oscilloscope, set: Channel 3: Volts/Division Timebase: Time/Division Delay Reference Trigger: Trigger Level 30 mV 100 ns At left 50 mV Increase the oscilloscope sensitivity to 5 mV/division. Adjust the delay and timebase so that the pulse waveform takes up the entire display. Adjust the oscilloscope channel 3 o set to position the top of the pulse envelope near the center graticule. 14. On the synthesizer, turn o external pulse and set the power level to 00.3 dBm.
14. Pulse Performance (Alternate Procedure) (For B-Series Only) Description and Procedure In this procedure, the synthesizer's RF output is downconverted in frequency so that an oscilloscope can measure the rise and fall times and make a comparison of pulsed and CW power level accuracy. For measurements above 20 GHz RF output frequency, a spectrum analyzer with external mixer is used to downconvert to a 321.4 MHz RF.
Figure 2-18.
3. On the synthesizer, press: 4CW5 First synthesizer frequency in Table 2-19. 0 4POWER LEVEL5 4 55 4dBm5 (asterisk on) on) 4. On the local oscillator (83620A/B), set the center frequency to the rst LO frequency in Table 2-19. Then set: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Leveling Point Internal Leveling Mode Search (asterisk 4ALC5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Power Level: RF Power: 10 dBm On Table 2-19.
6. On the oscilloscope, set: Channel 1: Display Volts/Division Offset Input Coupling Input Impedance On 100 mV 0 V dc 50 ohms Channel 2: Display Off Timebase: Time/Division Delay Delay Reference 10 ns 100 ns At center Trigger: Trigger Mode Trigger Source Trigger Level Edge Chan 2 2 V Display: Display Mode Averaging Number of Averages Screen Repetitive On 1 Single On the oscilloscope, turn the waveform math function on.
8. On the oscilloscope: a. Adjust the timebase delay to position the rising edge of the pulsed RF near the center of the display. b. Adjust the channel 1 volts/division and o set to obtain a 5 division signal level between the RF power o and the RF power on (see Figure 2-19). c. Adjust the channel 1 o set to move the RF power o line one-half division below the nearest horizontal graticule (making the horizontal graticule cross the waveform at the 10% point.) d.
14. On the synthesizer, press: 4CW5 First synthesizer frequency in Table 2-19 0 4POWER LEVEL5 4 05 4dBm5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Leveling Mode Normal 4MOD5 Pulse On/Off Extrnl 4ALC5 (asterisk on) 15. On the spectrum analyzer, set the center frequency to the rst frequency in Table 2-19. 16.
18. Use the oscilloscope's waveform math maximum function to determine the peak power level (if the waveform math function was previously on, clear the display before executing this step.) Use the oscilloscope's delta V feature and position marker 1 at the center of the peak power as displayed by the math waveform (the width of the waveform is caused by noise in the system.) Leave the marker at that position. 19. Set the synthesizer's power level to 00.3 dBm. Press: 0 4POWER LEVEL5 4 0.35 4dBm5 20.
Rise and Fall Times > 20 GHz Disregard if beyond your synthesizer's capability. Figure 2-20.
Table 2-20. Risetime and Falltime Values CW Frequency Risetime Falltime Level Accuracy 23 GHz 28 GHz 35 GHz 45 GHz Procedure > 20 to 26.5 GHz. 25. Connect the equipment as shown in Figure 2-20 using the HP/Agilent 11970K Mixer. 26.
Procedure > 20 to 26.5 GHz. 34. Replace the HP/Agilent 11970Q Mixer with the HP/Agilent 11970K Mixer. 35. On the synthesizer, press: 4CW5 4235 4GHz5 36. Repeat steps 13 through 22 and record the level accuracy in Table 2-20. 37. For 83630B only, record the worst case level accuracy from Table 2-19 and Table 2-20 on the test record. Procedure > 26.5 to 40 GHz. 38. Replace the HP/Agilent 11970K Mixer with the HP/Agilent 11970A Mixer. 39.
Related Adjustments None In Case of Difficulty 1. A noisy ampli er can cause a noisy trace that is too wide to measure. Substitute ampli ers to verify a problem with the ampli er. 2. If there is no change in ampli cation, the ampli er may be saturated (operating in compression). The 0.3 dB variation should be approximately equal on both sides. Try a lower synthesizer power level to get the ampli er out of saturation. 3.
15. Pulse Modulation Video Feedthrough (For B-Series Only) Description and Procedure In CW, at speci ed maximum leveled power, the synthesizer is pulse modulated using a pulse generator. The synthesizer's RF output is ltered (only the video feedthrough passes), ampli ed, and displayed on an oscilloscope. Because of the low amplitude of the video feedthrough, a preampli er is used in the test setup; system gain must be considered when making this measurement.
Equipment Pulse Generator Digitizing Oscilloscope Preampli er 130 MHz Filter 500 MHz Low Pass Filter 3.
System Calibration The pulse generator output level can be a ected by loading. Leave the pulse generator connected to the oscilloscope's channel 2 (through the BNC tee) as you set the output level. Note 4. On the oscilloscope, set: Channel 1: Display Volts/Division Offset Input Coupling Input Impedance On 50 mV 0 V dc 50 Channel 2: Display Input Impedance Off 50 Timebase: Time/Division Delay Delay Reference 20 ns 0 s At center Trigger: Trigger Trigger Trigger Trigger Edge Channel 1 0.
Input Impedance 50 Trigger: Trigger Trigger Trigger Trigger Mode Source Level Slope Edge Channel 1 0.4 V Negative 0 Vp 9. On the oscilloscope, note the pulse amplitude: 10. Calculate the video gain: Vp (from step 9) Video gain = system pulse generator Vp Vp = system 0:1 Vp Video Gain = Low Band Video Feedthrough Disregard if beyond your synthesizer's capability. 11. Connect the pulse generator output to the synthesizer's pulse input (C). 12.
14. On the oscilloscope, set: Channel 1: Display Volts/Division Offset Input Coupling Input Impedance On 0.01 V 0 V dc 50 Channel 2: Display Volts/Division Offset Off 1 V 2 V Timebase: Time/Division Delay Delay Reference 200 ns 400 ns At center Trigger: Trigger Trigger Trigger Trigger Edge Channel 2 1 V Positive Mode Source Level Slope Display: Display Mode Repetitive Averaging On Number of averages 64 15.
Figure 2-22. Measuring Maximum Voltage from the Baseline Video Feedthrough 17. Using the video gain from step 10, the video feedthrough (Vp) from step 16, and the carrier voltage from Table 2-22 calculate the video feedthrough as a percent of carrier power: Video feedthrough (%) = [(video Vp/carrier Vp)x100]/video gain Table 2-22. Power Level Conversions to Volts Peak Peak Synthesizer Maximum Carrier Speci ed Power Voltage1 (dBm) (V) Into 50 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.
1 PdBm 010 Peak Carrier Voltage = 10 20 18. Record the video feedthrough (in Table 2-21). 19. Repeat steps 16 through 18 for the remaining CW frequencies in Table 2-21. 20. For synthesizers capable of > 10 dBm, set the maximum speci ed leveled power and repeat steps 16 through 18 for all of the CW frequencies in Table 2-21. 21. Record the worst case value from Table 2-21 for each power range on the test record. Video Feedthrough > 2 GHz 22. 23. 24. 25.
16. AM Accuracy (For B-Series Only) Description and Procedure This procedure measures the AM accuracy of the synthesizer. The local oscillator and mixer are used to downconvert the synthesizer frequency to the frequency range of the measuring receiver (an HP/Agilent 11793A Microwave Converter can be substituted for the mixer). For measurements above 20 GHz RF output frequency, a spectrum analyzer with external mixer are used to downconvert to a 321.4 MHz RF. The function generator provides AM modulation.
Equipment Function Generator Digital Voltmeter Measuring Receiver Attenuator 10 dB Attenuator 10 dB HP/Agilent 3325A HP/Agilent 3456A HP/Agilent 8902A HP/Agielnt 8490D Option 010 (83640B/50B) HP/Agilent 8493C Option 010 (83620B/23B/30B) 4. On the synthesizer, press: 4CW5 45005 4MHz5 4POWER LEVEL5 405 4dBm5 4USER CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AM Cal Menu AM BW Cal Always 5.
High Band > 2 GHz and < 20 GHz 12. Connect the equipment as shown in Figure 2-24. Figure 2-24. AM Accuracy Test Setup < 20 GHz Equipment Function Generator Digital Voltmeter Local Oscillator (Synthesized Sweeper) Measuring Receiver Attenuator 10 dB Attenuator 10 dB Mixer HP/Agilent 3325A HP/Agilent 3456A 83620A/B HP/Agilent 8902A HP/Agilent 8490D Option 010 (83640B/50B) HP/Agilent 8493C Option 010 (83620B/22B/23B/24B/30B) P/N 0955-0307 13.
15. On the function generator, set: Function: Sine wave Frequency: 1 kHz DC Offset: 0 mV Set the amplitude to 600 mV p-p and verify this amplitude with the DVM. Note that the DVM measures in V rms (V rms x 1.414 x 2 = V p-p). 16. On the measuring receiver, set: HP Filter: 300 Hz LP Filter: 3 kHz Measurement: AM Detector: Peak /2 (both on) Automatic Operation 6 17. On the synthesizer, turn on AM modulation.
Figure 2-25. AM Accuracy Test Setup > 20 GHz Equipment Spectrum Analyzer Microwave Ampli er Measuring Receiver Harmonic Mixer Function Generator Attenuator 10 dB HP/Agilent 8566B HP/Agilent 11975A HP/Agilent 8902A P/N 0955-0307 HP/Agilent 3325A HP/Agilent 8490D Option 010 23. On the synthesizer, press: 4CW5 4285 4GHz5 4POWER LEVEL5 4 35 4dBm5 0 (asterisk o ) For instruments with Option 002, instead press: 4MOD5 AM Menu AM On/Off Ext (asterisk on) AM Type 100%/V (asterisk on) 24.
For instruments with Option 002, instead press: 4MOD5 AM Menu AM On/Off Ext (asterisk on) AM Type 100%/V (asterisk on) 29. On the test record, record the modulation depth as indicated by the measuring receiver. NNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN For Instruments with Option 002 only:. 30. On the synthesizer, turn external AM o and internal AM on. Press: 4MOD5 AM Menu AM On/Off Ext (asterisk o ) AM On/Off Int (asterisk on) 31.
17. AM Bandwidth (For B-Series Only) Description and Procedure This test veri es that the peak RF output power does not vary more than a speci ed amount over the speci ed amplitude modulation rate frequency range. The spectrum analyzer with the tracking generator operates as a network analyzer to measure the atness. Flatness errors associated with the tracking generator and spectrum analyzer are calibrated out of the measurement. 1.
dB/Div: Range: Tracking Generator Amplitude: 1 dB 5 dBm Maximum 600 mV p-p (212 mV rms on the DVM) 3. On the spectrum analyzer, clear trace A memory. Change the 4REF LEV5, using the RPG knob, to position the trace (dot) on the center horizontal graticule. 4. Set the spectrum analyzer to continuous sweep. When a full sweep is completed, store trace A into trace B memory. Then display A minus B (turning o trace B). A straight line should be displayed. The spectrum analyzer is now calibrated. 5.
9. Set the spectrum analyzer to 4CONT5 and repeat steps 7 and 8 for the remaining synthesizer frequencies in Table 2-24. 10. Record the smallest bandwidth from Table 2-24 on the test record. Related Adjustments None In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
18. AM Dynamic Range (For B-Series Only) Description and Procedure In this procedure, a function generator is used to provide a DC voltage to the synthesizer's AM input. The synthesizer is set to 0 dBm output power. AM is enabled and a DC voltage is applied. The DC voltage is set for maximum AM without an overmodulation indication to drive the synthesizer's modulator to the edge of distortion. The output power is measured with a power meter.
Equipment Spectrum Analyzer Digital Voltmeter Function Generator Power Meter Power Sensor Power Sensor HP/Agilent 8566B HP/Agilent 3456A HP/Agilent 3325A HP/Agilent 436A/7A/8A HP/Agilent 8487A (83640B/50B) HP/Agilent 8485A (83620B/22B/23B/24B/30B) 2. On the synthesizer, turn on RF peaking and AM bandwidth calibration. Press: 4USER CAL5 Tracking Menu Peak RF Always (asterisk on) 4PRIOR5 AM Cal Menu AM BW Cal Always (asterisk on) 3. Zero and calibrate the power meter/sensor. 4.
Table 2-25. Power Meter Readings 1 GHz 2 GHz 3 GHz 4 GHz 5 GHz 6 GHz 7 GHz 8 GHz 9 GHz 10 GHz 11 GHz 1 12 GHz 13 GHz 14 GHz 15 GHz 16 GHz 17 GHz 18 GHz 19 GHz 20 GHz 21 GHz1 22 GHz1 83630B/40B/50B only. 11. Repeat steps 9 and 10 from 2 to 22 GHz, in 1 GHz steps. Change the power meter cal factor % as required. 12. Record the worst case value from Table 2-25 on the test record. Deep AM Dynamic Range 13.
Note Make the following measurements as quickly as possible since the signal amplitude is subject to drift when you use deep AM at low levels. If necessary, turning AM o and on again will reset the power level. 19. With a 10 mV resolution, adjust the function generator until you get an OVERMOD message on the synthesizer or until the signal drops into the noise level on the spectrum analyzer. Decrease the function generator output just until the OVERMOD message disappears. 20.
Related Adjustments Modulator O set and Gain Modulation Generator Adjustment (Option 002) In Case of Difficulty 1. Make sure that the most negative voltage without an OVERMOD message is applied. 2. Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
19. FM Accuracy (For B-Series Only) Description and Procedure Use this procedure to measure the FM accuracy of the synthesizer. With the synthesizer set to an FM sensitivity of 10 MHz/V, and the function generator providing an FM modulation index of 2.404, the RF output should be a null. The function generator amplitude is adjusted for the Bessel null and the di erence between signals is recorded.
Table 2-27. Synthesizer Frequencies Synthesizer Frequencies External FM Internal FM (GHz) Error (%) Error (%) 1.01 5.0 10.0 16.0 22.01 1 Disregard if beyond your synthesizer's capability. 4. On the function generator, set: Function: Frequency: Amplitude: DC Offset: Sine wave 1 MHz 480.8 mV p-p (169.96 mV rms) 0 V 5.
Internal FM (Option 002 only) 14. On the synthesizer, press: 4CW5 First synthesizer frequency in Table 2-27 4MOD5 FM Menu FM On/Off Ext (asterisk o ) 15. Set the spectrum analyzer center frequency to the same frequency as the synthesizer. 16. Center the signal on the spectrum analyzer display using the center frequency function. 17.
20. FM Bandwidth (For B-Series Only) Description and Procedure Use this procedure to verify that the RF output power does not vary more than a speci ed amount over the speci ed frequency modulation rate frequency range. A low frequency spectrum analyzer with a tracking generator operates as a network analyzer to measure the FM atness. Flatness errors associated with the tracking generator and spectrum analyzer are calibrated out of the measurement.
1. Connect the equipment as shown in Figure 2-29 with the tracking generator output connected to the channel 1 input of the oscilloscope and to the FM input of the synthesizer (A). A DVM can be used in place of the oscilloscope for rms measurements. Preset all the equipment and let them warm up at least one hour. 2. To achieve peak power on the synthesizer, turn on RF peaking. Press: 4USER CAL5 Tracking Menu Peak RF Always (asterisk on) 3.
Figure 2-29.
Equipment Spectrum Analyzer with Tracking Generator Digitizing Oscilloscope Digital Voltmeter Microwave Ampli er Power Splitter Power Splitter Mixer Attenuator 10 dB (2) Attenuator 10 dB (2) Delay Line Discriminator (cable 3 ft.
9. On the spectrum analyzer, set: Center Frequency: 100 kHz Frequency Span: 0 Hz 10. On the synthesizer, press 4CW5 and use the left arrow key to position the cursor in the 1 MHz position (one digit left of the decimal point). Use the rotary knob or step keys to adjust the CW frequency for 0 V DC on the DVM. DC FM Flatness (Unlocked) 11. Move the mixer's IF output from the DVM to the spectrum analyzer's 50 input (D). 12. On the synthesizer, turn on FM DC. Press: 4MOD5 FM On/Off DC (asterisk on) 13.
21. Maximum FM Deviation (For B-Series Only) Description and Procedure In this procedure, the synthesizer's RF output is monitored directly on a spectrum analyzer for low FM rates. The FM amplitude is increased until the maximum deviation exceeds the speci cation. For higher FM rates, the FM rate is set so that a Bessel null occurs when the RF peak deviation equals the speci cation.
FREQUENCY 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Up/Dn Size CW 415 4GHz5 4USER CAL5 Tracking Menu Peak RF Always (asterisk NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 3. On the spectrum analyzer, set: Center Frequency: Frequency Span: Reference Level: on) 1 GHz (5 GHz) 187.5 MHz 10 dBm 4. Connect the high voltage output (16 V p-p) function generator and set it as follows: Function: Sine wave Frequency: 100 Hz Amplitude: Minimum 5.
12. Circle PASS on the test record if all the results in Table 2-29 are PASS. If not, circle FAIL on the test record. AC FM (at 100 kHz) (Using HP/Agilent 3325A) Maximum FM deviation for a 100 kHz rate is limited to a modulation index of 5 times n, where n = frequency band. The modulation index is equivalent to deviation/rate. Synthesizer models without 1 GHz capability should use 5 GHz settings, as indicated in parenthesis, instead of 1 GHz. Note 13. On the synthesizer, press: 4CW5 415 4GHz5 (5 GHz) 14.
21. On the function generator, increase the amplitude (FM input voltage) until the synthesizer displays an UNLOCK or OVERMOD message. Decrease the FM Input Voltage just until the UNLOCK or OVERMOD message turns o . 22. Record the FM input voltage in the Maximum FM Voltage column of Table 2-30. 23. Calculate the maximum FM deviation using the formula: Max FM Deviation = (Actual FM Sensitivity)[(1.414)(Max FM Voltage)] 24. Record the maximum FM deviation in the appropriate column of the test record. 25.
Related Adjustments FM Gain Modulation Generator Modulation Generator Flatness In Case of Difficulty 1. If the synthesizer remains unlocked, turn AC FM o and begin the procedure from step 13 for the CW frequency in question. 2. Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
22. Internal Pulse Accuracy (Option 002) (For B-Series Only) Description and Procedure This performance test uses an oscilloscope to measure the pulse width of the output of the modulation generator (not the pulse width of the RF output). 1. Connect the equipment as shown in Figure 2-31. Preset all instruments and let them warm up for at least one hour. Figure 2-31. Pulse Accuracy Test Setup Equipment Digitizing Oscilloscope Oscilloscope Probes HP/Agilent 54111D HP/Agilent 10437A 2.
3. On the oscilloscope, set: Channel 1: Display Volts/Division Input Coupling Input Impedance On 500 mV dc 50 Timebase: Time/Division 10 ns Delay Reference center Sweep auto Trigger: Trigger Mode Trig Src Trigger Level Slope Edge Chan 1 1.2V Pos Display: Display Mode Averaging Display Time Repetitive Off 0.2 s 4. Adjust the oscilloscope o set to fully display the signal. 5. Use the oscilloscope to measure the width of the pulse. Record the value measured on the test record. 6.
23. Modulation Meter (Option 002) (For B-Series Only) Description and Procedure The modulation meter measures and displays the value of the externally generated amplitude or frequency modulation. This procedure determines the accuracy of the modulation meter. 1. Connect the equipment as shown in Figure 2-32. Preset the instruments and let them warm up for at least one hour. Figure 2-32. Modulation Meter Test Setup Equipment Function Generator Digital Voltmeter HP/Agilent 3325A HP/Agilent 3456A 2.
11. Set the function generator for a 1 kHz, 10 V p-p, sine wave output signal. If necessary, adjust the function generator amplitude for a DVM reading of 3.535 AC V rms. 12. Record the FM METER value on the test record. 13. Set the function generator for a 100 kHz, 2 V p-p, sine wave output signal. 14. Record the FM METER value on the test record.
Table 2-33.
Table 2-33. Test Record for 83620B and 83622B (2 of 8) Model Report Number Test Equipment Used Model Number 1. Digital Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. Function Generator 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-33. Test Record for 83620B and 83622B (3 of 8) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 4. Power Accuracy 14.
Table 2-33. Test Record for 83620B and 83622B (4 of 8) Model Test No. Report No. Test Description 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics (Standard): 8. 0.01 to < 2.0 GHz 12. 2.0 and 20 GHz Harmonics (Opt. 006): 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 12. 2.0 and 20 GHz Subharmonics: 12. 7 and 20 GHz 9. Spurious Signals: Non-harmonic 11. Spur Frequency: Minimum Spec.
Table 2-33. Test Record for 83620B and 83622B (5 of 8) Model Report No. Test No. Test Description 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 10. At 1.9 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty dB1 61 dB1 61 dB1 055 dBc 055 dBc 055 dBc 61 055 dBc 055 dBc 055 dBc 61 070 dB1 61 dB1 61 dB1 11. Single Sideband Phase Noise 7. O sets at 6.
Table 2-33. Test Record for 83620B and 83622B (6 of 8) Model Test No. Report No. Test Description 12. Pulse Modulation On/O Ratio 12. On/O Ratio Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 80 dB 61 dB 13. Pulse Performance Standard: 10. Risetime 10. Falltime 21. Level Accuracy Option 006: 10. Risetime 10. Falltime 21. Level Accuracy 25 ns 25 ns 60.3 dB ns ns 60.1 dB 10 ns 10 ns 60.3 dB ns ns 60.1 dB 14. Pulse Performance (Alternate) 12. Risetime 12. Falltime 24.
Table 2-33. Test Record for 83620B and 83622B (7 of 8) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 16. AM Accuracy < 2 GHz: 8. AM Depth 11. AM Depth Opt. 002 28.5% 28.5% 31.5% 31.5% 60.76% > 2 and < 20 GHz: 18. AM Depth 21. AM Depth Opt. 002 28.5% 28.5% 31.5% 31.5% 60.76% 17. AM Bandwidth 10. 3 dB Bandwidth 100 kHz 18. AM Dynamic Range 12. Normal 23. Deep 19. FM Accuracy 13. Maximum FM Error 23. Maximum FM Error Opt. 002 20.
Table 2-33. Test Record for 83620B and 83622B (8 of 8) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 21. Maximum FM Deviation 12. DC FM Unlocked 100 Hz: > 675 MHz Deviation 24. AC FM Locked 100 kHz: Modulation Index 5 1 GHz 5 GHz 9 GHz 17 GHz 24. AC FM Locked 1 MHz: Modulation Index 5 1 GHz 5 GHz 24. AC FM Locked 3 MHz: > 68 MHz deviation 1 GHz 5 GHz 22. Internal Pulse Accuracy (Opt. 002) 5. Pulse Width 7.
Table 2-34.
Table 2-34. Test Record for 83623B and 83624B (2 of 8) Model Report Number Test Equipment Used Model Number 1. Digital Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. Function Generator 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-34. Test Record for 83623B and 83624B (3 of 8) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 4. Power Accuracy 14.
Table 2-34. Test Record for 83623B and 83624B (4 of 8) Model Test No. Report No. Test Description Option 001 Opts. 001 and 006 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics (Standard): 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 12. 2.0 to 20 GHz Harmonics (Opt. 006): 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 12. 2.0 and 20 GHz Subharmonics 12. 7 to 20 GHz 9. Spurious Signals: Non-harmonic 11.
Table 2-34. Test Record for 83623B and 83624B (5 of 8) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 16. Spur Frequency: 100 MHz Fixed 100 MHz O set LO Feedthrough 20. Low Band Mixer Spur 060 060 dBc dBc 060 dBc 060 dBc 61 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 055 dBc 055 dBc 055 dBc 61 055 dBc 055 dBc 055 dBc 61 070 62 10. At 1.
Table 2-34. Test Record for 83623B and 83624B (6 of 8) Model Test No. Report No. Test Description 7. O sets at 18.0 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 12. Pulse Modulation On/O Ratio 12. On/O Ratio Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 060 dBc dBc 076 dBc 097 dBc 62 dB dB 62 dB 62 dB 80 dB 61 62 068 dB 13. Pulse Performance Standard: 10. Risetime 10. Falltime 21. Level Accuracy Option 006: 10. Risetime 10. Falltime 21.
Table 2-34. Test Record for 83623B and 83624B (7 of 8) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 16. AM Accuracy < 2 GHz: 8. AM Depth 11. AM Depth Opt. 002 28.5% 28.5% 31.5% 31.5% 60.76% > 2 and < 20 GHz: 18. AM Depth 21. AM Depth Opt. 002 28.5% 28.5% 31.5% 31.5% 60.76% 17. AM Bandwidth 10. 3 dB Bandwidth 100 kHz 18. AM Dynamic Range 12. Normal 23. Deep 83623B 83624B 19. FM Accuracy 13. Maximum FM Error 23.
Table 2-34. Test Record for 83623B and 83624B (8 of 8) Model Test No. Report No. Test Description 21. Maximum FM Deviation 12. DC FM Unlocked 100 Hz: > 675 MHz Deviation 24. AC FM Locked 100 kHz: Modulation Index 5 1 GHz 5 GHz 9 GHz 17 GHz 24. AC FM Locked 1 MHz: Modulation Index 5 1 GHz 5 GHz 24. AC FM Locked 3 MHz: > 68 MHz deviation 1 GHz 5 GHz Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty Pass/Fail 62.3 500 kHz 500 kHz 1 MHz 1.5 MHz 621.
Table 2-35.
Table 2-35. Test Record for 83630B (2 of 8) Model Report Number Test Equipment Used Model Number 1. Digital Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. Function Generator 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-35. Test Record for 83630B (3 of 8) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 00.6 dB dB 00.9 dB +0.6 dB +0.7 dB +0.9 dB 60.19 01.2 +1.2 dB +1.
Table 2-35. Test Record for 83630B (4 of 8) Model Test No. Report No. Test Description Opt. 001 or Opts. 001 and 006: 0.01 to 26.5 GHz 0.01 to 20 GHz 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics (Standard): 8. 0.01 to < 2.0 GHz 21. 2.0 and 26.5 GHz Harmonics (Opt. 006): 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 12. 2.0 and 26.5 GHz Subharmonics 12. 7 and 20 GHz 21. > 20 and 26.5 GHz 9. Spurious Signals: Non-harmonic 11.
Table 2-35. Test Record for 83630B (5 of 8) Model Test No. Report No. Test Description 16. Spur Frequency: 100 MHz Fixed 100 MHz O set LO Feedthrough Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty dBc dBc 060 dBc 61 20. Low Band Mixer Spur 060 61.85 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 055 dBc 055 dBc 055 dBc 61 055 dBc 055 dBc 055 dBc 61 070 dBc 078 dBc 086 dBc 0107 dBc 62 dB 62 dB 62 dB 62 dB 070 62 10. At 1.
Table 2-35. Test Record for 83630B (6 of 8) Model Test No. Report No. Test Description 7. O sets at 18.0 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 12. Pulse Modulation On/O Ratio 12. On/O Ratio Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 060 dBc dBc 076 dBc 097 dBc 62 dB dB 62 dB 62 dB 80 dB 61 62 068 dB 13. Pulse Performance Standard: 10. Risetime 10. Falltime 21. Level Accuracy Option 006: 10. Risetime 10. Falltime 21.
Table 2-35. Test Record for 83630B (7 of 8) Model Test No. Report No. Test Description 15. Pulse Modulation Video Feedthrough 21. < 2 GHz 10 dBm > 10 dBm 26. 2 and 26.5 GHz Standard: Option 006: 16. AM Accuracy < 2 GHz: 8. AM Depth 11. AM Depth Opt. 002 > 2 and < 20 GHz: 18. AM Depth 21. AM Depth Opt. 002 17. AM Bandwidth 10. 3 dB Bandwidth Minimum Spec. 20. FM Bandwidth 16. 3 dB Bandwidth Agilent 8360 Results 2% 5% 60.22% 0.2% 1% 60.03% 28.5% 28.5% 31.5% 31.5% 60.76% 28.5% 28.5% 31.
Table 2-35. Test Record for 83630B (8 of 8) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 21. Maximum FM Deviation 12. DC FM Unlocked 100 Hz: > 675 MHz Deviation 24. AC FM Locked 100 kHz: Modulation Index 5 1 GHz 5 GHz 9 GHz 17 GHz 22 GHz 500 kHz 500 kHz 1 MHz 1.5 MHz 2 MHz 621.2 24. AC FM Locked 1 MHz: Modulation Index 5 1 GHz 5 GHz 5 MHz 5 MHz 6212 24.
Table 2-36.
Table 2-36. Test Record for 83640B (2 of 8) Model Report Number Test Equipment Used Model Number 1. Digital Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. Function Generator 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-36. Test Record for 83640B (3 of 8) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 0.6 dB 0.7 dB 0.9 dB 60.22 1.0 dB 1.2 dB 1.8 dB 0.15 dB 0.25 dB 0.
Table 2-36. Test Record for the 83640B (4 of 8) Model Test No. Report No. Test Description Opt. 001 or Opts. 001 and 006: 0.01 to 40 GHz 0.01 to < 26.5 GHz 0.01 to < 20 GHz 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics (Standard): 8. < 50 MHz 8. 50 MHz and < 2.0 GHz 21. 2.0 and < 26.5 GHz 29. 26.5 to 40 GHz Subharmonics: 12. 7 and 20 GHz 29. > 20 and 40 GHz 9. Spurious Signals: Non-harmonic 11. Spur Frequency: 125 kHz 500 kHz 16.
Table 2-36. Test Record for the 83640B (5 of 8) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 20. Low Band Mixer Spur 060 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz 180 Hz 240 Hz 055 dBc 055 dBc 055 dBc 61 055 dBc 055 dBc 055 dBc 61 070 dBc 078 dBc 086 dBc 0107 dBc 62 dB 62 dB 62 dB 62 dB 070 dBc dBc 086 dBc 0107 dBc 62 dB dB 62 dB 62 dB 060 62 At 1.9 GHz: 120 Hz 180 Hz 240 Hz 11.
Table 2-36. Test Record for the 83640B (6 of 8) Model Test No. Report No. Test Description 12. Pulse Modulation On/O Ratio 12. On/O Ratio Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 80 dB 61 dB 13. Pulse Performance Standard: 10. Risetime 10. Falltime 21. Level Accuracy Option 006: 10. Risetime 10. Falltime 21. Level Accuracy 25 ns 25 ns 60.3 dB ns ns 60.1 dB 10 ns 10 ns 60.3 dB ns ns 60.1 dB 14. Pulse Performance (Alternate) 31. Risetime 31. Falltime 40.
Table 2-36. Test Record for the 83640B (7 of 8) Model Test No. Report No. Test Description 16. AM Accuracy Low Band < 2 GHz: 8. AM Depth 11. AM Depth Opt. 002 High Band > 2 and < 20 GHz: 18. AM Depth 21. AM Depth Opt. 002 Doubled High Band > 20 GHz: 29. AM Depth 32. AM Depth Opt. 002 17. AM Bandwidth 10. 3 dB Bandwidth Minimum Spec. 20. FM Bandwidth 16. 3 dB Bandwidth Agilent 8360 Results 28.5% 28.5% 31.5% 31.5% 60.76% 28.5% 28.5% 31.5% 31.5% 60.76% 28.5% 28.5% 31.5% 31.5% 60.
Table 2-36. Test Record for the 83640B (8 of 8) Model Test No. Report No. Test Description 21. Maximum FM Deviation 12. DC FM Unlocked 100 Hz: > 675 MHz Deviation 24. AC FM Locked 100 kHz: Modulation Index 5 1 GHz 5 GHz 9 GHz 17 GHz 22 GHz 24. AC FM Locked 1 MHz: Modulation Index 5 1 GHz 5 GHz 24. AC FM Locked 3 MHz: > 68 MHz deviation 1 GHz 5 GHz Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty Pass/Fail 62.3 500 kHz 500 kHz 1 MHz 1.5 MHz 2 MHz 621.
Table 2-37.
Table 2-37. Test Record for 83650B (2 of 8) Model Report Number Test Equipment Used Model Number 1. Digital Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. Function Generator 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-37. Test Record for 83650B (3 of 8) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step: 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 0.6 dB 0.7 dB 0.9 dB 1.7 dB 60.22 1.0 dB 1.2 dB 1.6 dB 3.0 dB 0.15 dB 0.
Table 2-37. Test Record for 83650B (4 of 8) Model Test No. Report No. Test Description Opt. 001 or Opts. 001 and 006: 0.01 to 50 GHz 0.01 to < 40 GHz 0.01 to < 26.5 GHz 0.01 to < 20 GHz 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics: 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 21. 2.0 to 26.5 GHz 37. 26.5 to 50 GHz Subharmonics: 12. 7 to 20 GHz 29. > 20 to 40 GHz 37. > 40 to 50 GHz 9. Spurious Signals: Non-harmonic 11. Spur Frequency: Minimum Spec.
Table 2-37. Test Record for 83650B (5 of 8) Model Test No. Report No. Test Description 16. Spur Frequency: 100 MHz Fixed 100 MHz O set LO Feedthrough 20. Low Band Mixer Spur 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur At 1.9 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 11. Single Sideband Phase Noise 7. O sets at 6.99 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 7. O sets at 1.
Table 2-37. Test Record for 83650B (6 of 8) Model Test No. Report No. Test Description 7. O sets at 18.0 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 12. Pulse Modulation On/O Ratio 12. On/O Ratio Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 060 dBc dBc 076 dBc 097 dBc 62 dB dB 62 dB 62 dB 80 dB 61 62 068 dB 13. Pulse Performance Standard: 10. Risetime 10. Falltime 21. Level Accuracy Option 006: 10. Risetime 10. Falltime 21.
Table 2-37. Test Record for 83650B (7 of 8) Model Test No. Report No. Test Description 16. AM Accuracy Low Band < 2 GHz: 8. AM Depth 11. AM Depth Opt. 002 High Band > 2 and < 20 GHz: 18. AM Depth 21. AM Depth Opt. 002 Doubled High Band > 20 GHz: 29. AM Depth 32. AM Depth Opt. 002 17. AM Bandwidth 10. 3 dB Bandwidth Minimum Spec. 20. FM Bandwidth 16. 3 dB Bandwidth Agilent 8360 Results 28.5% 28.5% 31.5% 31.5% 60.76% 28.5% 28.5% 31.5% 31.5% 60.76% 28.5% 28.5% 31.5% 31.5% 60.76% 100 kHz 18.
Table 2-37. Test Record for 83650B (8 of 8) Model Test No. Report No. Test Description 21. Maximum FM Deviation 12. DC FM Unlocked 100 Hz: > 675 MHz Deviation 24. AC FM Locked 100 kHz: Modulation Index 5 1 GHz 5 GHz 9 GHz 17 GHz 22 GHz 24. AC FM Locked 1 MHz: Modulation Index 5 1 GHz 5 GHz 24. AC FM Locked 3 MHz: > 68 MHz deviation 1 GHz 5 GHz Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty Pass/Fail 62.3 500 kHz 500 kHz 1 MHz 1.5 MHz 2 MHz 621.
Table 2-34.
Table 2-34. Test Record for 83623L (2 of 5) Model Report Number Test Equipment Used Model Number 1. Digitizing Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-34. Test Record for 83623L (3 of 5) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 4. Power Accuracy 14.
Table 2-34. Test Record for 83623L (4 of 5) Model Test No. Report No. Test Description 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics: 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 12. 2.0 to 20 GHz Subharmonics 12. 7 to 20 GHz 9. Spurious Signals: Non-harmonic 11. Spur Frequency: Minimum Spec. 00.2 mV 2-152 Performance Tests Agilent 83623L Test Record Results 00.5 V 63 V V 620 dBc 025 dBc 045 dBc 61.75 050 61.75 020 dBc dB 61.75 dB 61.
Table 2-34. Test Record for 83623L (5 of 5) Model Report No. Test No. Test Description 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 10. At 1.9 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty dB1 61 dB1 61 dB1 055 dBc 055 dBc 055 dBc 61 055 dBc 055 dBc 055 dBc 61 070 62 dB1 61 dB1 61 dB1 11. Single Sideband Phase Noise 7. O sets at 6.
Table 2-35.
Table 2-35. Test Record for 83630L (2 of 5) Model Report Number Test Equipment Used Model Number 1. Digitizing Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-35. Test Record for 83630L (3 of 5) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 00.6 dB dB 00.9 dB +0.6 dB +0.7 dB +0.9 dB dB dB 60.38 dB 01.2 +1.
Table 2-35. Test Record for 83630L (4 of 5) Model Test No. Report No. Test Description Option 001: 0.01 to 26.5 GHz 0.01 to 20 GHz 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics: 8. 0.01 to < 2.0 GHz 21. 2.0 and 26.5 GHz Subharmonics 12. 7 and 20 GHz 21. > 20 and 26.5 GHz 9. Spurious Signals: Non-harmonic 11. Spur Frequency: Minimum Spec. 16. Spur Frequency: 100 MHz Fixed 100 MHz O set LO Feedthrough 20.
Table 2-35. Test Record for 83630L (5 of 5) Model Report No. Test No. Test Description 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 10. At 1.9 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 11. Single Sideband Phase Noise 7. O sets at 6.99 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 7. O sets at 1.97 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 7. O sets at 18.
Table 2-36.
Table 2-36. Test Record for 83640L (2 of 5) Model Report Number Test Equipment Used Model Number 1. Digitizing Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-36. Test Record for 83640L (3 of 5) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 0.6 dB 0.7 dB 0.9 dB 60.22 1.0 dB 1.2 dB 1.8 dB 0.15 dB 0.25 dB 0.
Table 2-36. Test Record for the 83640L (4 of 5) Model Test No. Report No. Test Description Option 001: 0.01 to 40 GHz 0.01 to < 26.5 GHz 0.01 to < 20 GHz 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics: 8. < 50 MHz 8. 50 MHz and < 2.0 GHz 21. 2.0 and < 26.5 GHz 29. 26.5 to 40 GHz Subharmonics: 12. 7 and 20 GHz 29. > 20 and 40 GHz 9. Spurious Signals: Non-harmonic 11. Spur Frequency: Minimum Spec.
Table 2-36. Test Record for the 83640L (5 of 5) Model Test No. Report No. Test Description Minimum Spec. Date Results Maximum Measurement Spec. Uncertainty 20. Low Band Mixer Spur 060 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz 180 Hz 240 Hz 055 dBc 055 dBc 055 dBc 61 055 dBc 055 dBc 055 dBc 61 070 dBc 078 dBc 086 dBc 0107 dBc 62 dB 62 dB 62 dB 62 dB 070 dBc dBc 086 dBc 0107 dBc 62 dB dB 62 dB 62 dB 060 62 At 1.9 GHz: 120 Hz 180 Hz 240 Hz 11.
Table 2-37.
Table 2-37. Test Record for 83650L (2 of 6) Model Report Number Test Equipment Used Model Number 1. Digitizing Oscilloscope Date Trace Number Cal Due Date 2. Measuring Receiver 3. Power Sensor 4. Power Meter 5. Microwave Spectrum Analyzer 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
Table 2-37. Test Record for 83650L (3 of 6) Model Test No. Report No. Test Description 1. Internal Timebase: Aging Rate 7. Calculated Rate Minimum Spec. Results Maximum Spec. Date Measurement Uncertainty 5x10010/day 65.6x10011 2. Swept Frequency Accuracy Worst Case Value: 10. Start Freq Stop Freq 0.1% of sweep 60.005% 3. Frequency Switching Time 8. CW Step: 16. Stepped Sweep 25. Frequency List 50 ms 5.5 ms 50 ms 610 0.6 dB 0.7 dB 0.9 dB 1.7 dB dB dB 60.38 dB 60.79 dB 1.0 dB 1.2 dB 1.
Table 2-37. Test Record for 83650L (4 of 6) Model Test No. Report No. Test Description 6. Maximum Leveled Power Standard: 0.01 to 50 GHz 0.01 to < 40 GHz 0.01 to < 26.5 GHz 0.01 to < 20 GHz Option 001: 0.01 to 50 GHz 0.01 to < 40 GHz 0.01 to < 26.5 GHz 0.01 to < 20 GHz 7. External Leveling 7. Minimum Power 10. Maximum Power 8. Spurious Signals: Harmonic Harmonics: 8. < 50 MHz 8. 50 MHz to < 2.0 GHz 21. 2.0 to 26.5 GHz 37. 26.5 to 50 GHz Subharmonics: 12. 7 to 20 GHz 29. > 20 to 40 GHz 37.
Table 2-37. Test Record for 83650L (5 of 6) Model Report No. Test No. Test Description 9. Spurious Signals: Non-harmonic 11. Spur Frequency: Minimum Spec. 16. Spur Frequency: 100 MHz Fixed 100 MHz O set LO Feedthrough 20. Low Band Mixer Spur 10. Spurious Signals: Line Related 10. At 6.99 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur At 1.9 GHz: 120 Hz Spur 180 Hz Spur 240 Hz Spur 1 63 Results 060 dBc dBc 060 dBc 060 dBc 060 dBc 060 dBc 61 060 dBc 060 dBc 060 dBc 060 dBc 61 dB 61 dB 61 dB 61.
Table 2-37. Test Record for 83650L (6 of 6) Model Test No. Report No. Test Description 11. Single Sideband Phase Noise 7. O sets at 6.99 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 7. O sets at 1.97 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz 7. O sets at 18.0 GHz: 100 Hz to < 1 kHz 1 kHz to < 10 kHz 10 kHz to < 100 kHz 100 kHz Agilent 8360 Minimum Spec. Date Results Maximum Measurement Spec.
3 Adjustments How To Use This Chapter Perform these adjustments only if directed by the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide or if a performance test fails. Menu Maps Fold-out menu maps are located in Chapter 6. Some menus have more than one page of softkeys. Select the More softkey to view the next page of softkeys. More is not included in the keystrokes given in these procedures.
WARNING These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do not perform any servicing unless you are qualified to do so. The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the instrument from all voltage sources while it is being opened. The detachable power cord is the instrument disconnecting device. It disconnects the mains circuits from the mains supply before other parts of the instrument.
List of Adjustments The following is a list of this chapter's adjustments and the page number that each adjustment is located on: 1. 10 MHz Standard : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 3-6 2. Sweep Ramp : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 3-12 3.
1. 10 MHz Standard Description and Procedure This procedure adjusts the frequency accuracy of the internal 10 MHz time base. This adjustment should be done on a regular basis if absolute frequency accuracy is important (see Figure 3-3.) For best accuracy, readjust the 10 MHz timebase oscillator after the synthesizer has been on or in standby for 24 hours. See \Accuracy Versus Adjustment Interval," following this adjustment, for information on how to determine a periodic adjustment schedule.
1. Connect the equipment as shown in Figure 3-1. Preset all instruments and let them warm up for one hour. Figure 3-1. 10 MHz Standard Adjustment Setup Equipment Digitizing Oscilloscope Frequency Standard HP/Agilent 54111D HP/Agilent 5061A If the oscilloscope does not have a 50 input impedance, connect channel 1 through a 50 feedthrough. Note 2.
4. Using a non-metallic tool, adjust the A23 10 MHz standard (see Figure 3-2) for minimum horizontal movement of the oscilloscope waveform. Figure 3-2.
Related Performance Tests Internal Timebase: Aging Rate In Case of Difficulty 1. Ensure that an external standard is not connected. (At instrument preset the synthesizer automatically chooses the external standard as the reference if one is connected to the 10 MHz REF INPUT.) 2. Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
Accuracy Versus Adjustment Interval Figure 3-3 shows the required adjustment interval to maintain a given accuracy. If you know the aging rate, you can determine a more precise adjustment interval. Figure 3-3. Accuracy Versus Adjustment Interval 1. Find the line on Figure 3-3 that corresponds to the 10 MHz timebase oscillator aging rate. (To determine the aging rate, see \Performance Tests.") 2. On the horizontal axis, nd the maximum allowable error (accuracy) that you want. 3.
2. Sweep Ramp Description and Procedure No test equipment is required for this adjustment. This is an automatic adjustment. The synthesizer's internal DVM measures the sweep ramp voltage at the end of the sweep. The synthesizer then sets the sweep time calibration constants to calibrate the sweep ramp. 1. Turn the synthesizer on and press 4PRESET5. Let the synthesizer warm up for at least one hour. 2. Select the A14 sweep ramp adjustment.
3. Sampler Assembly Description and Procedure No test equipment is required for this procedure. There are three sampler assembly adjustments: In the sampler match adjustment, as the internal DVM monitors the loop input to the sampler, trim capacitors are adjusted to optimize the sampler match over the full frequency range of the loop. The 200 MHz loop gain adjustment is automatic.
200 MHz Loop VCO Tune Check 5. In the A6 adjustment menu, select the A6 VCO tune check 6. The following message should be displayed: A6 VCO Tune . NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Ctrim and C60 are OK. If this message is not displayed, refer to troubleshooting. If the three tuning voltages at the bottom of the display (V200, Vavg, and V220) are all equal, the 200 MHz phase-locked loop is unlocked. Note 7. Select Done . NNNNNNNNNNNNNN Sampler Match Adjustment 8.
200 MHz Loop Gain Adjustment 11. In the A6 adjustment menu, select the A6 loop gain adjustment, A6 Loop Gain . The synthesizer automatically performs the adjustment. When the message Calibration Constants should be SAVED is displayed, the adjustment is complete. Continue with the next step. 12. Set the synthesizer to standby. Reinstall the A6 assembly in the instrument, and connect all cables. NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN IF Gain Adjustment 13. Turn the synthesizer on. Select A6 IF Gain . 14.
3. There is some interaction between the adjustments in this procedure. Try an alternate order of adjustments. 4. Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
4. YO Driver +10 V Reference Description and Procedure No test equipment is required for this procedure. As the internal DVM monitors the +10 V reference, you make the adjustment. 1. Turn the synthesizer on and press 4PRESET5. Let the instrument warm up for at least one hour. 2. Select the A13 adjustment menu. On the synthesizer, press: 4SERVICE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Adjust Menu AssyAdj Menu A13 Adj Menu 3.
5. YO Driver Gain and Linearity Description and Procedure No test equipment is required for these adjustments. For the gain adjustment, the synthesizer's internal DVM monitors the YO loop error voltage at two frequencies (points B and C in Figure 3-8). When you select the gain potentiometer adjustment, the synthesizer displays the di erence in voltage between points B and C as a \needle" with arrows on either side.
Figure 3-9. YO Gain and Linearity Adjustment Locations 5. 6. 7. 8. 9. 10. Select the low break point potentiometer adjustment, Lo Bk Pot . Adjust A13R90 (see Figure 3-9) to center the \needle" on the display. Select the high break point potentiometer adjustment, Hi Bk Pot . Adjust A13R92 (see Figure 3-9) to center the \needle" on the display. Select Done .
6. YO Loop Gain Description and Procedure No test equipment is required for this procedure. 1. Turn the synthesizer on and press 4PRESET5. Let the instrument warm up for at least one hour. 2. Select the assembly adjustment menu. Press: 4SERVICE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Adjust Menu AssyAdj Menu 3. Select the A5 loop gain adjustment, A5 Loop Gain . 4. On the A5 assembly, set all ve switches on A5S1 to the closed position. (See Figure 3-10.
7. Amplifier/Multiplier Adjustments Description This procedure maximizes RF power by tracking the tuned lter in the ampli er/multiplier to the RF output frequency. The ampli er/ lter output is also monitored. Initial tracking is done in single band sweeps at slow sweep speeds to eliminate the e ects of bandcross and hysteresis in the tuning coil. (Those will be corrected with delay and risetime calibration constants.
Adjustment Help The following explanations are provided for a better understanding of the ampli er/multiplier adjustments. Refer to these explanations as often as necessary. They will help make these adjustments easier. (The adjustment procedure follows.) Offset and Gain Adjustments. For all o set and gain adjustments, adjust through the bandpass. Keep adjusting until the power peaks and then drops o . Then reset the adjustment to the peaked point.
YTM Bandcross Delay Terms. The YTM Bx Dly terms are either o set or gain terms used only during multi-band sweeps. A1 denotes the o set term for band 1. B1 denotes the gain term for band 1. The o set (A) should be adjusted to maximize power at the beginning of the band. The gain (B) is adjusted to maximize power toward the end of the band. General Techniques. In some adjustments power may peak twice. This is caused by the auxiliary output masking the true peak.
Procedure In this procedure, some calibration constants and potentiometers may be set to default conditions and left. This is normal. These boards contain adjustments for di erent vintages of the 8360 family. Not all adjustments are used each time. Note 1. Connect the equipment as shown in Figure 3-11 using an analog oscilloscope with A versus B sweep capability. Power on all the instruments and let them warm up for at least one hour. 2. On the synthesizer, press 4PRESET5. Figure 3-11.
Enter the number of the rst calibration constant from Table 3-1 and terminate the entry with 4ENTER5. When using the front panel emulator software, pressing the arrow keys will allow you to vary the calibration constants. The calibration constant shown at the top of the \display" window is the active constant. Modify Cal Enter the default value from Table 3-1 and terminate the entry with 4ENTER5.
Table 3-1.
Table 3-1.
Table 3-1.
Sweep Mode: 6. 7. 8. 9. A versus B Adjust Channel B o set, volts/division, and horizontal position controls for a trace that lls the full horizontal display. Adjust the vertical position with the A vertical position control. Make certain that calibration constant #131, Squegg Clamp 1A, is set to 255. Then adjust A12R69, YTMG, to maximize high end power (last two horizontal display divisions). Modify calibration constant #238, YTM O set; Band 1, to maximize low end power.
Figure 3-12. A12 Assembly Potentiometer Locations 19. Set calibration constant #227, YTM Gain; Band 3, to 2048. 20. Modify calibration constant #240, YTM O set; Band 3, to maximize low end power. Power may peak twice. Adjust to the lower peak. 21. Adjust A12R25 B3S1 (see Figure 3-12) for maximum power at the high end. The high end power may peak twice. If it does, adjust the potentiometer to the lower peak (where the adjustment is furthest counterclockwise). 22.
28. Modify calibration constant #241, YTM O set; Band 4, to maximize power at the very low end. Power may peak twice. Adjust to the lower peak. 29. Modify calibration constant #228, YTM Gain; Band 4, to maximize power at the rst division on the display. Power may peak twice. Adjust to the lower peak. Note If there is no noticeable increase in power in the next two adjustments, leave the potentiometers at their preset position (fully clockwise). 30. Adjust A12R26 B4S1 for maximum high-end power.
Band 6 Adjustment (83640B/L and 83650B/L only). 42. On the synthesizer, press: 4START5 4325 4GHz5 (83640B/L) 4START5 433.55 4GHz5 (83650B/L) 4STOP5 4405 4GHz5 (83640B/L) 4STOP5 4385 4GHz5 (83650B/L) 43. Adjust calibration constant #230, YTM Gain; Band 6, for maximum power at the high end of band 6. The high end power may peak twice. If it does, adjust the calibration constant to the lower peak (where the value of the calibration constant is the lower number). 44.
Note Power dropouts at the start of each band are typically removed with the YTM Risetime calibration constants. These will be adjusted later. 54. On the synthesizer, press: 4START5 42.05 4GHz5 4STOP5 4205 4GHz5 4SWEEP TIME5 405 4msec5 Note The synthesizer intensity marker is set to identify the bandcross frequency (13.5 GHz). Reduce oscilloscope trace intensity to identify the marker.
66. Press 4SINGLE5 several times to initiate several sweeps. If a drop in power greater than 1 division occurs when in single sweep, readjust the appropriate delay term for the location of the problem. 67. On the synthesizer, press: 4START5 4155 4GHz5 4CONT5 4SWEEP TIME5 405 4msec5 4SINGLE5 68. Press several times to initiate several sweeps. If a drop in power greater than 1/3 division occurs when in single sweep, readjust the appropriate delay term for the location of the problem. Verification. 69.
8. Amplifier/Filter Adjustments Description This procedure maximizes RF power by tracking the YIG tuned lter to the RF output frequency. Initial tracking is done in single band sweeps at slow sweep speeds to eliminate the e ects of bandcross and hysteresis in the tuning coil. (Those will be corrected with delay calibration constants.) Auto tracking is initiated to optimize the slow sweep tracking. The YTF delay compensation adjustments maximize power for fast single- and multi-band sweeps.
Adjustment Help The following explanations are provided for a better understanding of the ampli er/ lter adjustments. Refer to these explanations as often as necessary. They will help make these adjustments easier. (The adjustment procedure follows.) Offset and Gain Adjustments. For all o set and gain adjustments, adjust through the bandpass. Keep adjusting until the power peaks and then drops o . Then reset the adjustment to the peaked point.
Single Band Delay Compensation Adjustments. If a drop in power greater than 1.5 dB occurs when in single sweep, increase the A delay term to put the A term at the high end of the peak. For example, for the following calibration constant values: Start of the peak = 1800 Middle of the peak = 1950 End of the peak = 2100 Set the A term to 2050 See Figure 3-16 for a graphic representation of the frequencies a ected by the calibration constants. Setting the Fastest Sweep Time.
Figure 3-16.
3-36 Adjustments Amplifier/Filter Adjustments Figure 3-17.
Procedure 1. Connect the equipment as shown in Figure 3-18 using an analog oscilloscope with A versus B sweep capability. Do not connect the power meter yet. (See Figure 3-19 for location detail of XA10J2 pin 55 on the motherboard.) Power on all the instruments and let them warm up for at least one hour. 2. Press 4PRESET5 on the synthesizer and, for the 83640B/L and 83650B/L press: 4SERVICE5 Tools Menu Disable Doubler (asterisk on) 3. On the power meter: Zero and calibrate the power meter/sensor.
Figure 3-19. XA10J2 Location 4. Set the default values given in Table 3-4 into the corresponding ampli er/ lter calibration constants. On the synthesizer, set: 4SERVICE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Adjust Menu Calib Menu Select Cal Enter the number of the rst calibration constant from Table 3-4 and terminate the entry with 4ENTER5. When using the front panel emulator software, pressing the arrow keys will allow you to vary the calibration constants.
Table 3-4.
Table 3-4.
Table 3-4.
Input Coupling: Input Impedance: Sweep Mode: DC 1 M A versus B Adjust Channel A o set, volts/division, and horizontal position controls for a trace that lls the full horizontal display. Adjust the vertical position with the A vertical position control. In the following adjustment power dropouts may occur due to squegging. Note Ignore the squegging (the squegg clamp will be adjusted later) and peak the adjustment for maximum power. 7.
d. If squegging occurs, readjust calibration constant #131 so that the power di erence is 2 dB or less from a 500 ms (slow) sweep to a 0 ms (fast) sweep. 16. If you have any instrument except an 83640B/L and 83650B/L, continue with \Band 2 Adjustment." Otherwise, adjust calibration constant #449, DAmp Clamp 1 as described here, to protect the bridge detector from excessive power while in doubler amp mode: a.
d. If the power level of the peak point is greater than 20 dBm for 83620B/22B and 83630B/L or 22.7 dBm for 83640B/L and 83650B/L, as displayed on the power meter, decrease Squegg Clamp 2A until the power level is less than these values. If the power level of the peak point is already less than these values, return the synthesizer to continuous sweep and decrease Squegg Clamp 2A just until the peak point begins to drop (this indicates that power to the bridge detector is clamped). 28.
Figure 3-20. A12 Assembly Potentiometer Locations 34. Set calibration constant #623, YTF Gain; Band 3, to 2084. 35. Modify calibration constant #633, YTF O set; Band 3, to maximize low end power. 36. Adjust A12R108 B3S1 (see Figure 3-20) for maximum power over the rest of the sweep (3 to 10 divisions). 37. Repeat steps 33 and 34 until power is optimized over the full band. . 38.
42. If you have any instrument except an 83640B/L and 83650B/L, continue with \Band 4 Adjustment." Otherwise, adjust calibration constant #451, DAmp Clamp 3 as described here, to protect the bridge detector from excessive power while in doubler amp mode: a. On the synthesizer, set: 4SERVICE5 Tools Menu Disable Doubler (asterisk o ) POWER 4MENU5 Dblr Amp Menu Doubler Amp Mode On (asterisk on) b. Set the oscilloscope vertical position as necessary to display the trace. c.
Step down the calibration constant in 100 count steps and verify that the entire trace shifts down evenly. If the power change is not uniform, repeat steps 46 through 51 until it is. Then change calibration constant #634 back to the recorded value. 55. On the synthesizer, set: 4POWER LEVEL5 405 4dBm5 56. Adjust calibration constant #134, Squegg Clamp 4A, to maximize RF output power across the band. 57.
63. 64. 65. 66. Modify calibration constant #625, YTF Gain; Band 5, to maximize high end power. Modify calibration constant #635, YTF O set; Band 5, to maximize low end power. Repeat steps 61 and 62 until the entire band is peaked. . Note the value of calibration constant #635, YTF O set; Band 5 Step down the calibration constant in 100 count steps and verify that the entire trace shifts down evenly. If the power change is not uniform, repeat steps 61 through 63 until it is.
85. On the synthesizer, set: 4POWER LEVEL5 405 4dBm5 86. Adjust calibration constant #137, Squegg Clamp 7A, to maximize RF output power across the band. Auto Tracking Verification. 87.
For the 83640B/L and 83650B/L only, also press: 4SERVICE5 Tools Menu Disable Doubler (asterisk o ) Connect the power meter to the synthesizer RF OUTPUT through the power sensor and 10 dB attenuator (see Figure 3-18). Adjust the oscilloscope horizontal control to place the low power point on a vertical graticule and note the position. Select manual sweep. Press SWEEP 4MENU5 Manual Sweep (asterisk on). Use the arrow keys to adjust the CW frequency to the minimum power point on the oscilloscope.
94. Set the synthesizer power level to 25 dBm and then set various frequency ranges such as 5 GHz to 50 GHz or 10 GHz to 45 GHz. Set the sweep times to greater than 200 ms for single-band sweeps and less than 1.5 seconds for multi-band sweeps since delay compensation has not yet been adjusted. For each frequency range set, compare the signal levels of single sweep to continuous sweep.
Note The oscilloscope vertical sensitivity is initially set to 50 mV/division (5 mV/division with a 10:1 probe) providing a logarithmic scale of 1.5 dB/division. If necessary, decrease the vertical sensitivity for some frequency bands to 100 mV/division in order to display the entire trace on the CRT (the oscilloscope is already set to 10 mV/division for the 83623B/L and the 83624B). If you do change the vertical sensitivity by half, remember that the logarithmic scale must change by half also.
106. On the synthesizer, set: 4SWEEP TIME5 405 4msec5 4SINGLE5 4SINGLE5 4RF ON/OFF5 107. a. Press several times to initiate several sweeps. Note any drop in power. b. Press . Then press 4RF ON/OFF5 again (LED on) and note any drop in power. c. The power loss noted in step a can be no smaller than the power loss noted in step b. If the step a power loss is greater than the step b power loss by 1 division ( 1.
Band 4 Adjustment (83630B/L, 83640B/L, and 83650B/L). 119. On the synthesizer, set: 4START5 4205 4GHz5 4STOP5 426.55 4GHz5 4STOP5 425.55 4GHz5 4CONT5 4SWEEP TIME5 405 4msec5 4POWER LEVEL5 4255 4dBm5 (83630B/L and 83650B/L ) (83640B/L) 120. Decrease the synthesizer power level until the level of the entire trace on the oscilloscope begins to drop. 121. Switch between the fastest sweep time (0 ms) and 200 ms sweep time and check that power changes less than 2/3 division.
If the power loss in step a is not smaller than that in step b, skip the rest of \Band 5 Adjustment" and continue with \Band 6 Adjustment." 131. Adjust calibration constant #565, YTF Dly Term A Hrm 5, to maximize power for the low end of band 5. 132. Adjust calibration constant #575, YTF Dly Term B Hrm 5, to maximize power for the high end of band 5. 133. Adjust calibration constant #215, YTM Rise; Band 5, to minimize power dropout at the start of band 5. Band 6 Adjustment (83640B/L and 83650B/L only).
144. Switch between the fastest sweep time (0 ms) and 200 ms sweep time and check that power changes less than 2/3 division ( 1 dB). If not, adjust the appropriate rise or delay term (steps 145 through 147) and then repeat this step. 145. On the synthesizer, set: 4SWEEP TIME5 405 4msec5 4SINGLE5 4SINGLE5 4RF ON/OFF5 146. a. Press several times to initiate several sweeps. Note any drop in power. b. Press . Then press 4RF ON/OFF5 again (LED on) and note any drop in power. c.
157. On the synthesizer, set: 4CONT5 4SWEEP TIME5 405 4msec5 158. Press 4SINGLE5 several times to initiate several sweeps. If a drop in power greater than 1 division occurs when in single sweep, increase the A term of the delay adjustment #593 to put the A term at the high end of the peak. 159. On the synthesizer, set: 4START5 475 4GHz5 4CONT5 4SWEEP TIME5 405 4msec5 4POWER LEVEL5 4255 4dBm5 160. Decrease the synthesizer power level until the level of the entire trace on the oscilloscope begins to drop.
177. On the synthesizer, set: 4SWEEP TIME5 405 4msec5 178. Press 4SINGLE5 several times to initiate several sweeps. If a drop in power greater than 1 division occurs when in single sweep, readjust the appropriate delay or risetime term for the location of the problem. 179. On the synthesizer, set: 4START5 455 4GHz5 4POWER LEVEL5 4255 4dBm5 180. Decrease the synthesizer power level until the level of the entire trace on the oscilloscope begins to drop. 181.
Operation Check. 194. Try the following start and stop frequencies: Start and Stop Frequencies (GHz) 83620B/ 83622B/24B 83630B/L 83640B/L 83650B/L 83623B/L 0.045 to 20 4.5 to 18 10 to 20 2 to 14.5 2 to 20 4.5 to 18 10 to 20 2 to 14.5 0.045 to 26.5 0.045 to 40 0.045 to 50 4.5 to 18 4.5 to 32 4.5 to 33 10 to 23 10 to 45 10 to 20 2 to 23 2 to 23 2 to 14.5 Compare sweeps of 0 ms and 1 s and also single sweeps at fast speed. If a power drop of 0.
9. Low Power SRD Bias Description and Procedure The synthesizer is set to 10 GHz. Then the A9 pulse board MIN adjustment sets the source voltage of the FET for the proper SRD bias level. 1. Connect the equipment as shown in Figure 3-21. Preset all instruments and let them warm up for at least one hour. Figure 3-21. Low Power SRD Bias Adjustment Setup Equipment DVM HP/Agilent 3456A 2. On the synthesizer set: 4CW5 4105 4GHz5. 3. Set the DVM to measure DC volts. 4.
Figure 3-22. A9R105 Location Related Performance Tests None In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
10. Modulator Offset and Gain Description and Procedure In this procedure, the ALC modulation o set and gain calibration constants are adjusted to linearize the ALC modulator response to the ALC power level reference voltage. Default values are entered for the modulator o set calibration constants and internal rmware is activated to set the modulator gain calibration constants. The synthesizer is then set for a power sweep across the entire leveled ALC range (020 to the maximum leveled power).
Select Modify Cal . Use the numeric keypad to enter the corresponding default value in Figure 3-23. Terminate your entry with the 4ENTER5 key. 4. Using the up/down arrow keys, select each of the rest of the calibration constants in Table 3-6 and set their default values by entering the value on the numeric keypad. Terminate your entry with the 4ENTER5 key. NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Table 3-6.
5. On the synthesizer, set: 4SERVICE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Adjust Menu AssyAdj Menu A10 Adj Menu A10 Mod Gain The synthesizer will measure, calculate, and store the modulator gain calibration constants. When the adjustment is completed the following message appears on the display: Modulator Gain Cal Completed Calibration constants were modified. 6.
9. On the synthesizer, set: 4CENTER5 415 4GHz5 4SPAN5 405 4GHz5 10. For synthesizers with Option 001, set: POWER 4MENU5 Uncoupl Atten 11. Set the synthesizer power level to 020 dBm. Press: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 0 4POWER LEVEL5 4 5 4205 4dBm5 Now set the synthesizer for a power sweep of its full ALC range. For example, if your synthesizer's speci ed maximum leveled power at this frequency is +10 dBm then set the power sweep to 30 dB/sweep (020 dBm to +10 dBm = 30 dB).
Related Performance Tests Maximum Leveled Power AM Bandwidth In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
11. ALC Power Level Accuracy Description and Procedure This adjustment sets the absolute power accuracy in each frequency band at a CW frequency. The digital ALC calibration array is loaded with zeros for the 0 dB attenuator setting to eliminate any power o set from this source. Calibration constants set the power accuracy at four power levels. A potentiometer sets the power accuracy at an 18 dBm level in the low band (not applicable for all models).
4.
9. On the synthesizer, select Modify Cal and, using the rotary knob, modify the calibration constant so that the power meter and the power level setting are the same. 10. Repeat steps 8 through 10 for each power level and calibration constant given in Table 3-9. NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Table 3-9. Power Level and Calibration Constant Adjustment Power Level (dBm) 0.0 010.0 020.0 +10.
14. On the power meter, set the CAL FACTOR % for the power sensor 10 GHz calibration factor. 15. On the synthesizer, set: 4POWER LEVEL5 First power level in Table 3-10 16. Select the rst calibration constant in Table 3-10: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Select Cal 42645 4ENTER5 17. On the synthesizer, select Modify Cal and, using the rotary knob, modify the calibration constant so that the power meter and the power level setting are the same. 18.
12. Power Flatness (The automated power atness adjustment in Chapter 5 may be used in place of this procedure.) Description and Procedure In this procedure, the synthesizer measures and corrects power atness. The synthesizer controls the power meter via GPIB while the power meter is measuring the RF output. For each synthesizer frequency band and a 0 dB attenuator setting, control is given to the synthesizer to measure and correct power atness.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Cal Freq Range Lo Bnd AtnStep to Cal 405 4dB5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN (asterisk on) 3. Load and select the calibration factors for the correct power sensor for this frequency band into the power meter. Refer to the power meter manual for instructions. Zero and calibrate the power meter then connect the power sensor to the synthesizer RF output. 4. On the synthesizer, press Pwr Mtr ALC Cal .
13. AM/FM DAC Offset and Gain (Option 002) (8360 B-Series Only) Description and Procedure No test equipment is required for this procedure. This procedure calibrates the modulation generator assembly by adjusting the AM and FM DACs. The internal DVM measures the DAC output voltages. The DAC o set is then zeroed with this adjustment procedure and the DAC gain is automatically calibrated with calibration constants. 1. Turn the synthesizer on and press 4PRESET5.
Related Performance Tests AM Accuracy FM Accuracy In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
14. AM Accuracy (8360 B-Series Only) Description and Procedure This procedure consists of three adjustments. Calibration constant #277, AM O set, is adjusted for no change in RF output power when AM is enabled but no voltage is applied. EXP AM CAL is adjusted for a 010 dB change in power when 01.00 V is applied and AM 10 dB/V is selected. LIN AM CAL is adjusted so that a 00.80 V AM input (100%/V AM selected) causes the RF output to decrease to 4.00% of its initial value. 1.
4. Set the function generator for a 0 V DC rear panel output (the instrument front panel output is connected to the synthesizer's AM input.) 5. On the synthesizer, press: 4CW5 455 4GHz5 4POWER LEVEL5 4 155 4dBm5 0 AM Offset 6. Set the power meter to read relative power (dB). 7.
Figure 3-29. A10R35 and A10R39 Locations Linear AM Accuracy 16. On the synthesizer, press: AM On/Off 10dB/V (asterisk o ) or, for synthesizers with Option 002, instead press: AM On/Off Ext (asterisk o ) 17. On the synthesizer, press: NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 4POWER LEVEL5 455 4dBm5 18. Set the power meter to measure linear mode (watts). For power meters without a relative linear mode, adjust the synthesizer power level for a 3.
15. AM Offset (8360 L-Series Only) Description and Procedure This adjustment applies to L models with the pre xes listed below. This procedure uses calibration constant number 277 to adjust the maximum power out in scalar mode to match the RF output amplitude with scalar o . Model Pre x 83623L 3722A and above 83630L 3722A and above 83640L 3722A and above 83650L 3722A and above Equipment Required Oscilloscope HP/Agilent 1740 or HP/Agilent 54600B Crystal Detector HP/Agilent 3330D (Negative Detector) 1.
5. On the synthesizer press: 4SERVICE5 more 1/3 Adjust Menu . Enter password if requested (factory password 8360) and then press Adjust Menu Calib Menu Select Cal 425 475 475 4Hz sec Enter5 Modify Cal using the RPG, arrow keys, or numeric key pad, change the value of cal constant 277 so the maximum power out with scalar on is equal to the pulse power out with scalar o . 6. If this is the last adjustment required, save the cal data by pressing Cal Utility Menu Save Cal yes .
16. AM Delay (8360 B-Series Only) Description and Procedure In the ALC loop, the integrator input from the ALC detector is delayed (phase shifted from the reference input) through the ALC modulator, RF path, and ALC detector. Because of this, amplitude modulation can peak the AM frequency response. In this adjustment, you set the delay in the reference input equal to the delay in the input from the ALC detector.
or, for synthesizers with Option 002, instead press: AM Menu AM On/Off Ext (asterisk on) AM Type 100%/V (asterisk on) 4MOD5 NNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN The function generator should have a 50 output for an accurate output. If necessary, use a BNC tee and monitor the output level while the function generator is connected to the AM input. Note 5.
17. FM Gain (8360 B-Series Only) Description and Procedure This adjustment sets the gain on the FM driver assembly to match the YO FM coil sensitivity, and to provide a 10 MHz/V FM input sensitivity. The function generator is set to provide FM at a 1 MHz rate and a 2.404 MHz deviation. This corresponds to a modulation index of 2.404, which should result in no power in the carrier. FM gain is adjusted to minimize the RF output power. 1. Connect the equipment as shown in Figure 3-33.
Frequency: 1 MHz DC Offset: 0 V Amplitude: 480.8 mV p-p (169.96 mV rms) 3. On the spectrum analyzer, press: Reference Level: Attenuator: Center Frequency: Frequency Span: Resolution BW: Video BW: Sweep Time: Sweep: 4. On the synthesizer, press: 0 dBm Auto 5 GHz 50 kHz 3 kHz 1 kHz Auto Continuous 4CW5 455 4GHz5 (asterisk on) or, for synthesizers with Option 002, instead press: 4MOD5 FM Menu FM On/Off Ext (asterisk on) FM Coupling 100kHz (asterisk on) 5.
18. Square Wave Symmetry Description and Procedure Use this adjustment to set the synthesizer modulation (27.78 kHz square wave) for equal RF on/o periods. This is accomplished by minimizing the even harmonics of the 27.78 kHz square wave. High Band Adjustment 1. Connect the equipment as shown in Figure 3-35. Preset both instruments and let them warm up for at least one hour. Figure 3-35. Square Wave Symmetry Adjustment Setup Equipment Spectrum Analyzer HP/Agilent 8566B 2.
8. Adjust calibration constant #330, Slow Sym High Band, for a minimum reading on the spectrum analyzer. Press: 4SERVICE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Adjust Menu Calib Menu Select Cal Use the rotary knob or arrow keys to select calibration constant #330. Press and use the rotary knob to adjust the calibration constant.
19. AM Input Impedance (8360 B-Series Only) Description and Procedure No test equipment is required for this procedure. This procedure sets the AM input impedance to either 50 or 2 k . The AM input impedance on A10 must be set to 2 k for proper operation of the internal modulation generator (Option 002). Instruments without Option 002 should perform step A, \A10 Jumper".
A. A10 Jumper 1. On the synthesizer, set the line power switch to standby. 2. Lift up the A10 ALC assembly far enough to access the jumper shown in Figure 3-36. 3. The AM input impedance is factory-set to the 50 ohm position. To change it to 2 k , move the jumper to the position marked \2K". The jumper can be returned to the \50 OHM" position to change the AM input impedance to 50 ohms. 4. Reinstall the A10 assembly. Figure 3-36.
B. A8 Jumper 1. On the synthesizer, make sure the line power switch is set to standby. 2. Lift up the A8 modulation generator assembly far enough to access the jumper shown in Figure 3-37. 3. The AM input impedance is factory-set to the 50 ohm position. To change it to 2 k , move the jumper to the position marked \2K". The jumper can be returned to the position marked \50" to change the AM input impedance to 50 ohms. 4. Reinstall the A8 assembly. Figure 3-37.
20. FM Input Impedance (8360 B-Series Only) Description and Procedure A soldering iron is required for this procedure. This procedure sets the FM input impedance to either 50 or 600 . The FM input impedance on A11 must be set to 600 for proper operation of the internal modulation generator (Option 002). Instruments without Option 002 should perform step A, \A11 Jumper".
A. A11 Jumper 1. 2. 3. 4. On the synthesizer, set the line power switch to standby. Disconnect the coaxial cables from the A11 FM driver assembly. Remove the A11 assembly from the synthesizer. Locate the zero ohm resistor shown in Figure 3-38. The FM input impedance is factory-set to the 50 ohm position. To change it to 600 ohms, remove the resistor from the A11 assembly by unsoldering it. The FM input impedance can be reset to 50 ohms by soldering the resistor back into the A11 assembly.
B. A8 Jumper 1. On the synthesizer, make sure the line power switch is set to standby. 2. Lift up the A8 modulation generator assembly far enough to access the jumper shown in Figure 3-39. 3. The FM input impedance is factory-set to the 50 ohm position. To change it to 600 ohms, move the jumper to the position marked \600". The jumper can be returned to the position marked \50" to change the FM input impedance to 50 ohms. 4. Reinstall the A8 assembly. Figure 3-39.
21. Modulation Generator Flatness (Option 002) (8360 B-Series Only) Description and Procedure The internal modulation generator is set up for FM operation. A 100 kHz rate, measured at the AM/FM OUTPUT connector, is used as the reference amplitude. A calibration constant is adjusted so the AM/FM output signal is the same amplitude as for a 1 MHz FM rate. 1. Connect the equipment as shown in Figure 3-40. Preset all instruments and let them warm up for at least one hour. Figure 3-40.
Display Display Mode Averaging Display Time Repetitive Off 0.2 s 4. Adjust the oscilloscope vertical sensitivity controls to almost ll the graticule display with the sine wave. Do not let the sinewave be clipped. (Use the front panel keypad because the RPG changes the sensitivity in steps too large for this purpose.) 5. Use the measure feature of the oscilloscope to measure the amplitude of the sinewave.
22. External Trigger Edge Selection Description and Procedure No test equipment is required for this procedure. This procedure sets the external trigger to trigger on either the leading or the trailing edge of a TTL signal. When the jumper (shown in Figure 3-41) is in the POS position a sweep is triggered on the leading edge of the pulse (when the signal changes from 0 to 5 volts).
23. Volts/GHz Description and Procedure No test equipment is required for this procedure. A ve-section switch on the A12 multiplier/ lter driver assembly sets the volts/GHz scale for the rear panel V/GHz output connector. At the factory, synthesizers with a maximum frequency of 30 GHz are set to 0.5 V/GHz and higher frequency instruments are set to 0.25 V/GHz. The following procedure describes how to set the switch to scale the output. 1.
In Case of Difficulty Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide .
24. A9 Pulse Board Jumper (W1) Description and Procedure No test is required When replacing the A9 Pulse Board, the E1-E2, E3-E4 jumper needs to be properly con gured. There is one con guration for all 8360A/B models. There are 2 possible con gurations for 8360L models. The L model con guration is dependent on the instrument pre x.
25. Selftest Patches (8360 L-Series Only) Description and Procedure No test is required After completing the A9 Pulse Board jumper selection, verify that the following test patches are set for L models with the following pre x and above.
To Add a Test Patch Press: Specs and the following messages will appear on the display: TEST NUMBER TO PATCH:0 Enter the test number (107), then press 4HZ sec ENTER5 TEST DATUM POINT TO PATCH:0 Enter the datum number (2), then press 4HZ sec ENTER5 MIN SPECIFICATION:0 Enter minimum value (03740), then press 4HZ sec ENTER5 MAX SPECIFICATION:0 Enter maximum value (01740), then press 4HZ sec ENTER5 To Skip a Selftest Press: DataSkip the following message will be displayed: TEST NUMBER TO PATCH:0 Enter the test
4 Calibration Constants Introduction This section contains the following information on calibration constants and how to use them: De nition Memory Areas Checksum Veri cation Calibration Constant Password Changing Working Data Calibration Constants Saving Working Data Calibration Constants Loading Protected Data Calibration Constants Loading Default Data Calibration Constants Calibration Constant Descriptions Definition Calibration constants are data which describe your individual instrument.
Memory Areas The synthesizer has three memory areas reserved for calibration constants: Working Data Working data is the set of calibration constants accessed during normal operation and contains the calibration information required for optimum instrument performance. Working data is stored in RAM, and is maintained by a 1 farad capacitor. Protected Data Protected data resides in EEPROM. This calibration data is essentially the same as working data, but is not dependent on the capacitor.
Calibration Constant Password The synthesizer is shipped with a factory-set password. A password disables access to the adjustment menu unless the password is entered (see \Entering a Password"). Calibration constants cannot be manually altered without accessing the adjustment menu. The following is the factory-set password: 8360 You can set a new password. See \Setting a Password". You can eliminate the password. See \Disabling a Password".
Setting a Password If a password is already set on the synthesizer and you wish to change it, rst follow the \Disabling a Password" procedure. This eliminates the current password. Then continue with this procedure. If no password is set on the synthesizer (there is no asterisk on the Disable Adjust softkey), and you wish to set a password, perform the following: 1. On the synthesizer, set: 4SERVICE5 Disable Adjust . The following message is displayed: SET PASSWORD: 0 2.
Bypassing the Password If you require access to the adjustment menu for calibration purposes, a password is set, and you do not know the password, perform the following: 1. Turn o line power to the synthesizer. 2. Open A15S1 switch 5 (set the switch to the "1" position). 3. Turn on line power to the synthesizer and press 4SERVICE5. The asterisk on the Disable Adjust softkey turns o enabling access to the adjustment menu.
Changing Working Data Calibration Constants If you need to modify the working data calibration constants, the following procedure accesses the calibration constants and lets you change them. 1. On the synthesizer, set: 4SERVICE5 Adjust Menu Calib Menu . 2. Select Select Cal . Enter the number of the calibration constant you wish to change using the up/down arrow keys, the rotary knob, or the numeric keypad. Terminate numeric keypad entries by pressing 4ENTER5. 3. Select Modify Cal .
Loading Protected Data Calibration Constants If your working data calibration constants have been altered or deleted, the following procedure loads the protected calibration constants from EEPROM into working data memory. 1. On the synthesizer, set: 4SERVICE5 Adjust Menu Calib Menu Cal Util Menu . 2. Select Recall Cal . A warning is displayed informing you that changing the calibration constants may drastically a ect instrument performance.
Calibration Constant Descriptions Table 4-9 provides the following information for each calibration constant: The calibration constant number in ascending order. The calibration constant name. An asterisk indicates that this calibration constant is adjusted by an automated adjustment.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9. Calibration Constant Descriptions (continued) Number 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 Description YTM Bx Dly Term C 6 YTM Bx Dly Term C 7 0 0 *Loop Gain: 200.0 MHz *Loop Gain: 200.5 MHz *Loop Gain: 201.0 MHz *Loop Gain: 201.5 MHz *Loop Gain: 202.0 MHz *Loop Gain: 202.5 MHz *Loop Gain: 203.0 MHz *Loop Gain: 203.5 MHz *Loop Gain: 204.0 MHz *Loop Gain: 204.5 MHz *Loop Gain: 205.0 MHz *Loop Gain: 205.
Table 4-9. Calibration Constant Descriptions (continued) Number 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 Agilent 8360 Description *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: *Loop Gain: 213.0 MHz 213.5 MHz 214.0 MHz 214.5 MHz 215.0 MHz 215.5 MHz 216.0 MHz 216.5 MHz 217.0 MHz 217.5 MHz 218.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-9.
Table 4-10.
Table 4-11.
Table 4-11.
Table 4-11.
Table 4-11.
Table 4-11.
5 Automated Tests Introduction This chapter explains how to load and run the \Agilent 8360 Service Support Software" revision A.02.00. These tests require operator interaction. This software requires that the synthesizer is set to the SCPI programming language. This is set by the rear panel switch or by the front panel. Refer to the \Installation" chapter of your synthesizer's user's guide for further information. After using the software, return the synthesizer to its original setting.
Setting Up the System Hardware Requirements The automated tests require an HP 9000 series 200/300 desktop computer with at least 2.25 megabytes of RAM, a disk drive, and an GPIB interface. This program will not run with high resolution color monitors (> 512 x 390 pixels). Software is provided on two 3.5 inch disks, formatted double-sided, and are usable in double-sided disk drives only. Any required measurement instruments are listed in each test procedure.
Installing the Software Disk Files The automated tests are provided on two double-sided disks. Previous revisions may be di erent. Make Working Copies Before doing anything else, make a working copy of the master disks! Type: INITIALIZE \Address of drive containing blank oppy" The master disk is shipped from the factory write-protected and cannot be written to or initialized in this mode. We recommend you maintain this master disk in write-protect mode.
Running the Software CAUTION This software uses RAM memory volumes for fast access of data les. These volumes may also be used by other programs and could contain data that will be erased by this program. Make sure that the computer you are using does not have important data in any memory volumes before running this software. Configuration Limitations The computer containing the software must be the only controller on the bus. If more than one controller is present, the software will not run properly.
AUTOMATED PERFORMANCE TESTS 1. Step Attenuator Flatness Test Performance veri cation test for Option 001 Description A power meter is used to make relative power measurements to determine the actual attenuation of each attenuator card. Mismatch error is minimized by including a xed attenuation in front of the card being measured for both parts of the relative measurement (with/without the card).
Procedure Connect the equipment as shown in Figure 5-1. Preset all instruments and let them warm up for at least one hour. This program requires that power sensor calibration factors be stored in a le. Note If the calibration factors have not been entered previously, refer to the utility, \4. Power Sensor Con guration and Calibration Factor File". Select the step attenuator atness test and follow the prompts on the display. Figure 5-1.
2. Power Flatness and Accuracy Test Performance veri cation test for standard instrument Description Note If Option 001 is installed in your instrument, perform the \Step Attenuator Flatness" test. This test uses the user atness correction array to measure power atness at the RF output. The power is measured every 10 MHz in low band and every 100 MHz in high and millimeter bands. The calibration factors for the power sensor must be added to the program before the test is run. Refer to the utility, \4.
Note Do not edit the \Sensor ID". The names set at the factory must remain unchanged for the program to run properly. The factory recommended \Zero Hr" is 1.00 and the \Cal Hr" is 24.00. Use the left and right arrows to move the cursor within a eld. Use the up and down arrows to increment or decrement the value. RETURN selects the eld. NNNNNNNNNNNNNNNNNNNN 5. When all changes have been made, select save power meter con guration. 6.
10. Enter the calibration factors from your power sensor (follow the prompts on the display). 11. When all of the calibration factors have been added, select store calibration factors to store the calibration factors for future use. 12. Exit the power meter calibration. 13. Run the power atness and accuracy test.
AUTOMATED ADJUSTMENTS 1. Step Attenuator Flatness Adjustment Calibration for Option 001 Before doing any adjustment, enter the password for access to the adjustment calibration constants. Use the front panel or the front panel emulation program provided with this software. See Chapter 4 for information on enabling the calibration constants with the password. Description A power meter is used to make relative power measurements to determine the actual attenuation of each attenuator card.
Figure 5-2.
2. YO Delay Adjustment Description This adjustment uses the internal counter to measure swept frequency accuracy. YO delay a ects the swept frequency accuracy at fast sweep times (less than 100 ms). This procedure adjusts the calibration constants for the YIG oscillator to achieve consistent swept frequency accuracy over the entire operating range of the instrument.
3. ADC Adjustment Description This adjustment uses an external digital voltmeter (DVM) to measure VCOMP on the YO driver assembly and compares the reading to the ADC measurement. The ADC calibration constants are adjusted so that the DVM and ADC measurements are the same. The procedure is repeated for each voltage range (both plus and minus supplies). Select the ADC adjustment and follow the prompts on the display. The following test equipment is required for this adjustment.
4. Power Flatness Adjustment Calibration for standard instrument Description Note If Option 001 is installed in your instrument, perform the \Step Attenuator Flatness" adjustment. This adjustment zeros the digital ALC array and measures the power from the RF output. The power is measured every 10 MHz in low band and every 100 MHz in high and millimeter bands. The calibration constants are adjusted to achieve a at output. The calibration factors for the power sensor must be added to the program.
Note Do not edit the \Sensor ID". The names set at the factory must remain unchanged for the program to run properly. The factory recommended \Zero Hr" is 1.00 and the \Cal Hr" is 24.00. Use the left and right arrows to move the cursor within a eld and the up and down arrows to increment or decrement the value. 4RETURN5 selects the eld. 5. When all changes have been made, select save power meter con guration. 6.
10. Enter the calibration factors from your power sensor (follow the prompts on the display). 11. When all of the calibration factors have been added, select store calibration factors to store the calibration factors for future use. 12. Exit the power meter calibration. 13. Run the power atness adjustment.
Utilities 1. Front Panel Emulation Description This utility simulates an HP/Agilent 8360 synthesizer front-panel keyboard in an instrument. Procedure To access the front panel emulation utility, select the front panel emulation program in the test menu. The front panel emulation program cannot run front panel functions that use a power meter or printer. These functions cause the Agilent 8360 B- or L-series synthesizer to act as a controller, which con icts with the computer as the controller on the bus.
Table 5-4.
Table 5-4.
2. Calibration Constants Description The calibration constants utility provides a variety of ways to manipulate the calibration constants stored in the instrument. Use this utility to print out a list of the calibration constants stored in the instrument, to make a back-up of the calibration constants, and to restore calibration constants from a backed-up le. Procedure Enter the password to allow access to the calibration constants by running the front panel emulation program provided with this software.
4. Power Sensor Configuration and Calibration Factor File Description This utility is used for creating and editing the les that store power sensor calibration factors. The power sensor calibration factors are used in the \Power Flatness" and \Step Attenuator" performance tests and adjustment procedures. This data can be stored to the directory or disk for future use.
5. 6. 7. 8. 9. 10. 11. 12. 13. For instruments with a maximum frequency of 26.5 GHz, the following sensors are used: 8485D + 10 dB pad 8485D 8485A 8482A For instrument with a maximum frequency above 26.5 GHz, the following sensors are used: 8487D + 10 dB pad 8487D 8487A 8482A After Selection, Continue with Cal Sensor Procedures: If the sensor serial numbers are correct, scroll down to [17] \Save Power Meter Con guration", and press \Select".
Insert - Inserts a line in the table at the location of the pointer. Delete - Deletes the line in the table at the location of the pointer. [2] Edit Sensor Information: Not used. [3] Load Cal Factors: This selection loads the calibration factor data le for the selected sensor form disk or the directory speci ed in the MSI command. [4] Store Cal Factors: This stores the cal factors for the selected power sensor to disk or the directory speci ed by the MSI command.
Menu Overview The following menu choices are displayed: Calco Utility This is the instrument calibration factors utility. Use it to store and retrieve instrument calibration factors.
6 Menu Maps Agilent 8360 Menu Maps 6-1
6-2 Menu Maps Agilent 8360
7 Disassembly and Replacement Procedures Introduction This chapter provides the following disassembly and reassembly procedures. Use these procedures while repairing or replacing an assembly.
WARNING These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do not perform any servicing unless you are qualified to do so. The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the instrument from all voltage sources while it is being opened. The detachable power cord is the instrument disconnecting device. It disconnects the mains circuits from the mains supply before other parts of the instrument.
Figure 7-1. Cable Routing Locations Tools Required Each procedure lists the required tools at the beginning of that section. See Chapter 9 for the associated part numbers.
Front Panel Disassembly and Reassembly Tools Required T-10 TORX Screwdriver (torque 10 in-lb) 0.050 Hex Driver 9/16 in. Nut Driver 5/16 in. Open End Wrench Coax Extractor Tool{Submin D Connector Description and Procedure Some steps in this procedure may not apply to all option con gurations. If a particular step does not apply, continue with the next appropriate step. To disassemble the front panel, follow this procedure in the order given.
Figure 7-2.
1. Preliminary Steps CAUTION 1. 2. 3. 4. You can easily blow the fuse for the 13.5 V supply on the preregulator assembly if you do not disconnect the AC power cord. Also, the danger of shock is increased if the power cord is connected. Disconnect the AC power line cord. Remove the screw from each of the top two feet on the rear panel. Remove the top two feet. Remove the instrument top cover. Note An RF braid is in each of the side channels on the top of the instrument.
2. Front Panel Removal Refer to Figure 7-4. 1. Complete \1. Preliminary Steps" before continuing. 2. Remove three of the four screws under the trim strip. 3. Remove two of the three screws on the lower front frame edge. 4. Gently pry the front panel and display from the frame.
Refer to Figure 7-5. Note Instruments with Option 004 do not have all the cables shown. 5. Cut the tie wraps holding the cables. 6. From the A9, A10, and A11 assemblies (or the A8 assembly for instruments with Option 002), disconnect the four coaxial cables (W6, W7, W8, and W9) attached to the BNC connectors. 7. Disconnect the source module interface cable, W10. 8. Disconnect ribbon cables W2 and W3 from the motherboard. Figure 7-5.
3. A3 Front Panel Processor Removal Refer to Figure 7-6. 1. Complete \1. Preliminary Steps" and \2. Front Panel Removal" before continuing. 2. Disconnect the three ribbon cables (W3, W4, and W5), the rotary pulse generator (RPG) cable, and the six-wire display cable W1. 3. Remove the eight screws from the PC assembly. 4. Lift o the front panel processor assembly. Figure 7-6.
4. A21 Alphanumeric Display Removal Refer to Figure 7-7. 1. Complete \1. Preliminary Steps" and \2. Front Panel Removal" before continuing. 2. Disconnect the six-wire display cable W1 and ribbon cable W4. 3. Remove the four outer-most screws around the edge of the bracket. 4. Lift o the display. Figure 7-7.
5. A2 Source Module Interface Removal Refer to Figure 7-8. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", and \3. A3 Front Panel Processor Removal" before continuing. 2. Remove the source module interface cable (W10). 3. Remove the four screws. 4. Remove the source module interface assembly. 5. Disconnect ribbon cable W2 from the source module interface assembly. 6. Remove the A2 source module interface assembly. Figure 7-8.
6. RPG1 Rotary Pulse Generator Removal Refer to Figure 7-9. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", and \3. A3 Front Panel Processor Removal" before continuing. 2. Loosen the two hex screws and remove the rotary knob. Figure 7-9.
7. J1 RF Output Connector Removal Refer to Figure 7-10 for front panel output. CAUTION To avoid damaging the connector, do not disassemble the RF output connector assembly. Only unscrew the connector on the end of the cable. 1. Complete \1. Preliminary Steps" and \2. Front Panel Removal" before continuing. 2. On the lower front frame edge, remove the two RF output screws that hold the RF output assembly. 3. Remove the RF connector with cable W43. Figure 7-10.
8. Front Panel BNC Connectors Removal Refer to Figure 7-11. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", \3. A3 Front Panel Processor Removal" and \5. A2 Source Module Interface Removal" before continuing. 2. Remove the two screws on each of the four PC assemblies attached to the back of the front panel. 3. Slide out the connectors. If the washer on the front of the connector is not centered properly, loosen the Note nut to slide the connector out. Figure 7-11.
9. A1 Keyboard Removal Refer to Figure 7-12. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", \3. A3 Front Panel Processor Removal", \4. A21 Alphanumeric Display Removal" and \5. A2 Source Module Interface Removal" before continuing. 2. Remove the nine screws from the keyboard assembly. 3. Lift o the keyboard assembly. Note It is important that the top of the keyboard be kept clean. Dirt on the contacts will a ect the performance of the keypad. 4.
CAUTION The following steps can degrade keypad performance. If you separate the anti-rock sheets from the keypad, you must replace both the anti-rock sheets and the keypad. 5. Remove the keypad. 6. Remove the anti-rock sheets. Figure 7-13.
10. Display Filter Removal Refer to Figure 7-14. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", \3. A3 Front Panel Processor Removal", \4. A21 Alphanumeric Display Removal", \5. A2 Source Module Interface Removal" and \9. A1 Keyboard Removal" before continuing. 2. With all other assemblies removed, lift out the display lter. Figure 7-14.
11. A1 Keyboard Reassembly Refer to Figure 7-15. 1. With the front panel frame supported on the edges so it is elevated o the table by at least one inch, place the frame face down. 2. Clean the display lter and place it on the frame. 3. Carefully lining up the press- t holes, place the anti-rock sheets over the keypad. Press into place. 4. Place the keypad face down and press each key into place. 5. Inspect the front panel to be sure all keys protrude through the front panel, and are all the same height.
8. Replace the nine screws that hold in the assembly. Figure 7-16.
12.
Rear Panel Disassembly and Reassembly Tools Required 9/16 in. Socket T-10 Torx Screwdriver T-15 Torx Screwdriver 5.5 mm Nut Driver 5/16 in. Open End Wrench 14 mm Open End Wrench 7 mm Nut Driver #1 x 3 1/8 in. Pozidrive Screwdriver #2 x 4 in. Pozidriv Screwdriver Coax Extractor Tool{Submin D Connector Description and Procedure Some steps in this procedure may not apply to all option con gurations. If a particular step does not apply, continue with the next appropriate step.
Figure 7-17.
1. Preliminary Steps CAUTION 1. 2. 3. 4. 5. You can easily blow the fuse for the 13.5 V supply on the preregulator assembly if you do not disconnect the AC power cord. Also, the danger of shock is increased if the power cord is connected. Disconnect the AC power line cord. Remove the screw from each of the four feet on the rear panel. Remove the four feet. To remove the side straps, remove the two screws on each side panel. Remove the instrument top, bottom, and side covers.
2. B1 Fan Removal Refer to Figure 7-18. 1. Complete \1. Preliminary Steps" before continuing. 2. Remove both screws (item 1) from the fan shroud. 3. Remove items 2 through 5. 4. Remove the four screws (item 7) from the rear panel/fan brackets. 5. Unplug the fan harness. 6. Tip the fan and angle it out through the opening in the rear panel. 7. Remove the four screws (item 7) attaching the two brackets to the fan and remove the brackets (item 10). Figure 7-18.
3. Rear Panel BNC Connectors Removal and Aux Output Disconnection Refer to Figure 7-19. 1. Complete \1. Preliminary Steps" before continuing. 2. Remove the nuts and washers on the four BNC connectors, 10 MHz REF INPUT, 10 MHz REF OUTPUT, VOLTS/GHz, and TRIGGER OUTPUT. 3. Slide out the four connectors. 4. If you have Option 002, repeat steps 1 and 2 for the following connectors: AM/FM OUTPUT, PULSE SYNC OUT, and PULSE VIDEO OUT. 5. Disconnect W48 at rear panel SMA connector J14 AUX OUTPUT. Figure 7-19.
4. J1 RF Output Connector Removal (Option 004) Refer to Figure 7-20. CAUTION To avoid damaging the connector, do not disassemble the RF output connector assembly. Only unscrew the connector on the end of the cable. 1. Complete \1. Preliminary Steps" before continuing. 2. Disconnect cable W43 at the directional coupler A30 (or at the step attenuator A31 for instruments with Option 001). 3. Remove the two screws from the RF output connector plate on the rear panel. 4.
5. Rear Panel Removal Refer to Figure 7-21. 1. Complete \1. Preliminary Steps" and \7. J1 RF Output Connector Removal" before continuing. 2. Remove the four screws on the top back edge. 3. Remove the four screws on the bottom back edge. 4. Slide the rear panel out of the casting. Figure 7-21.
Refer to Figure 7-22. 5. Disconnect ribbon cable W31 from the motherboard. 6. Disconnect the 8-pin line switch connector. 7. Disconnect the fan harness. 8. Cut the tie wraps holding the coaxial cables to the four BNC connectors and the source module interface. 9. Disconnect the coaxial cables from the A7, A12, and A14 assemblies and disconnect the source module interface cable from the A19 assembly. Figure 7-22.
6. A23 10 MHz Reference Standard Removal Refer to Figure 7-23. 1. Complete \1. Preliminary Steps", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Disconnect cable W17 and the pin-locking tab, W30. 3. Without removing the screws, press the shock-mount pads through the sheet metal holes. 4. Slide the reference standard out. Figure 7-23.
7. T1 Transformer Removal Refer to Figure 7-24. 1. Complete \1. Preliminary Steps", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Remove the six-wire pin-locking tab. 3. Remove the center screw, plastic washer, two insulators, and plate. 4. Remove the toroidal transformer. Figure 7-24.
8. A19 Rear Panel Interface Removal Refer to Figure 7-25. 1. Complete \1. Preliminary Steps", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Disconnect the source module interface cable W23 from SMB connector A10J3 on the A10 ALC assembly. (W23 is not included with replacement A19 assemblies.) 3. Remove the ve screws. 4. Remove A19 from the rear panel. 5.
9. Voltage Selector Switch Removal Refer to Figure 7-26. 1. Complete \1. Preliminary Steps", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Cut the tie wraps holding the wires. 3. Disconnect the 8-pin connector from the motherboard. 4. Remove the two nuts, bolts, and washers holding in the voltage selector switch. Figure 7-26.
Refer to Figure 7-27. 5. Unsolder the white/brown/grey wire from the fuse. 6. Unsolder the white/grey wire from the line lter. 7. Unscrew the green/white ground wire from the back panel. Figure 7-27. Fuse, Line Filter, and Ground Wires Note Agilent 8360 To reassemble, add 3/8 in. shrink tubing to each wire before soldering. Then perform the above steps in reverse order.
10. Fuse Housing Removal Refer to Figure 7-28. 1. Complete \1. Preliminary Steps", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Remove the two nuts, bolts, and washers holding the voltage selector switch, and remove the switch (this provides clearance for the wrench to remove the fuse holder). 3. Unsolder the two fuse holder wires. 4. Unscrew the nut holding the fuse housing. 5. Slide the fuse housing out of the back panel. Figure 7-28.
11. FL1 Line Filter Removal Refer to Figure 7-29. 1. Complete \1. Preliminary Steps", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Unsolder the three wires attached to the line lter. 3. Remove the two screws on the rear panel. 4. Slide out the line lter from the rear panel. Figure 7-29. Line Filter Removal Note Agilent 8360 To reassemble, add 3/8 in. shrink tubing to each wire before soldering. Then perform the above steps in reverse order.
12. Option 004 BNC Connectors Removal Refer to Figure 7-30. 1. Complete \1. Preliminary Steps" before continuing. 2. Remove the ve screws holding the A34 RP oating BNC board assembly to the rear panel. 3. Slide out the board with the connectors. 4. Remove the nut and washer attaching the pulse input BNC connector to the rear panel. 5. Slide out the pulse input BNC connector. Figure 7-30.
RF Deck Disassembly and Reassembly Tools Required #1 x 3 1/8 in. Pozidriv Screwdriver T-10 Torx Screwdriver 5/16 in. Torque Wrench 5 mm Ball and Socket Driver On the RF deck, all Pozidriv screws have English threads and all Torx screws Note have metric threads. Description and Procedure To disassemble the RF deck and associated assemblies, follow this procedure in the order given. To reassemble the RF deck and associated assemblies, follow this procedure in the reverse order.
Figure 7-31.
1. Preliminary Steps CAUTION 1. 2. 3. 4. You can easily blow the fuse for the 13.5 V supply on the preregulator assembly if you do not disconnect the AC power cord. Also, the danger of shock is increased if the power cord is connected. Disconnect the AC power line cord. Remove the screw from each of the top two feet on the rear panel. Remove the top two feet. Remove the instrument top cover. Note An RF braid is in each of the side channels on the top of the instrument.
Figure 7-32. Removing RF Output Connector Note When you re-attach the connector and cable to the synthesizer, rst loosen the nut between cable W43 and the connector. Then reverse steps 1 through 3. Finally, torque the nut between cable W43 and connector J1 to 10 in-lb (112 N-cm). 4. Reinstall the front panel. 5. Carefully disconnect cable W48 from the rear panel SMA connector W14 (it's a close t { watch out that you do not damage the cable center conductor). 6.
Figure 7-33. W51 RF Cable Location CAUTION Avoid damage to the various ribbon cables and their connectors attached to the RF deck assembly when removing that assembly in the next step. Move all exible coaxial cables out of the way of the RF deck assembly components. 8. Carefully pull out the RF deck and rest it on the side of the instrument. Note Some exible cables will still be attached preventing the RF deck from being completely removed from the instrument. Refer to Figure 7-34.
9. For troubleshooting insert an analog extender board into the motherboard connector for the RF deck. Place the RF deck on the extender board and use the two hex screws to attach the deck to the synthesizer frame (service position). If you are not troubleshooting and are lifting up the RF deck for disassembly purposes, attach the deck to the synthesizer frame without using the extender board. 10. For troubleshooting: a. Attach a coax extender cable between W51 and the low pass lter FL2. b.
3. A20 RF Interface Removal Refer to Figure 7-35. 1. Complete \1. Preliminary Steps" and \2. Lift Up the RF Deck" before continuing. 2. Disconnect the following ribbon cables. (You may need to loosen the two hex screws attaching the deck to the synthesizer frame in order to remove the cables on the lower edge of the RF deck.) W36 (83640B/L and 83650B/L only) W37 W38 W39 W40 (Option 001 only) W41 W42 W69 (All models except 83624B) W73 (All models except 83623B/L and 83624B) 3.
4. Microcircuit Removal Note For the following procedures, refer to Figure 7-36 through Figure 7-50 for cable locations and for screw locations. 1. Complete \1. Preliminary Steps" and \2. Lift Up the RF Deck" before continuing. 2. With the RF deck up in the service position, any microcircuit can be removed: a. Most microcircuits have a cable connecting them to the A20 RF interface assembly.
RF Deck Cables 83640B/L and 83650B/L No Options Figure 7-36.
RF Deck Cables 83640B/L and 83650B/L Option 001 Figure 7-37.
RF Deck Cables 83640B/50B Option 006 Figure 7-38.
RF Deck Cables 83640B/50B; Options 001 and 006 Figure 7-39.
RF Deck Cables 83620B/22B and 83630B/L No Options Figure 7-40.
RF Deck Cables 83620B/22B and 83630B/L Option 001 Figure 7-41.
RF Deck Cables 83620B/22B/30B Option 006 Figure 7-42.
RF Deck Cables 83620B/22B/30B Options 001 and 006 Figure 7-43.
RF Deck Cables 83623B No Options Figure 7-44.
RF Deck Cables 83623B Option 001 Figure 7-45.
RF Deck Cables 83623L No Options RF Deck Cable Locations { 83623L Agilent 8360 Disassembly and Replacement Procedures 7-55 RF Deck
RF Deck Cables 83623L Option 001 RF Deck Cable Locations { 83623L Option 001 7-56 Disassembly and Replacement Procedures RF Deck Agilent 8360
RF Deck Cables 83624B No Options Figure 7-46.
RF Deck Cables 83624B Option 001 Figure 7-47.
RF Deck Cables 83623B/24B Option 006 Figure 7-48.
RF Deck Cables 83623B/24B Options 001 and 006 Figure 7-49.
Figure 7-50.
Motherboard Disassembly and Reassembly Tools Required T-15 Torx Screwdriver #2 x 4 Pozidriv Screwdriver 5/16 in. Open End Wrench 5mm Ball and Socket Driver Description and Procedure To disassemble the motherboard, follow this procedure in the order given. To reassemble the motherboard, follow this procedure in the reverse order. CAUTION Cable routing may a ect instrument performance. Refer to Figure 7-1 for a diagram of the instrument cable routing.
Figure 7-51.
1. Preliminary Steps CAUTION You can easily blow the fuse for the 13.5 V supply on the preregulator assembly if you do not disconnect the AC power cord. Also, the danger of shock is increased if the power cord is connected. 1. 2. 3. 4. 5. 6. Disconnect the AC power line cord. Remove the screw from each of the four feet on the rear panel. Remove the four rear feet. Remove the four bottom feet. To remove the side straps, remove the two screws on each side panel.
2. Front Panel Removal Refer to Figure 7-53. 1. Complete \1. Preliminary Steps" before continuing. 2. Remove three of the four screws under the trim strip. 3. Remove two of the three screws on the lower, front frame edge. 4. Gently pry the front panel and display from the frame. Figure 7-53.
Refer to Figure 7-54. Note Instruments with Option 004 do not have all the cables shown. 5. Cut the tie wraps holding the cables. 6. From the A9, A10, and A11 assemblies (or the A8 assembly for instruments with Option 002), disconnect the four coaxial cables (W6, W7, W8, and W9) attached to the BNC connectors, and the source module interface cable (W10). 7. Disconnect ribbon cables W2 and W3 from the motherboard. Figure 7-54.
3. J1 RF Output Connector Removal (Front Panel) Refer to Figure 7-55. CAUTION To avoid damaging the connector, do not disassemble the RF output connector assembly. Only unscrew the connector on the end of the cable. 1. Complete \1. Preliminary Steps" and \2. Front Panel Removal" before continuing. 2. On the lower front frame edge, remove the two RF output screws that hold the RF output assembly. 3. Remove the RF connector with cable W43. Figure 7-55.
Note When you re-attach the connector and cable to the synthesizer, rst, loosen the nut between cable W43 and the connector. Then reverse the steps above. Finally, torque the nut between cable W43 and the connector J1 to 10 in-lb (112 N-cm).
4. J1 RF Output Connector Removal (Option 004) Refer to Figure 7-56. CAUTION To avoid damaging the connector, do not disassemble the RF output connector assembly. Only unscrew the connector on the end of the cable. 1. Complete \1. Preliminary Steps" and \2. Front Panel Removal" before continuing. 2. Unscrew the RF output connector plate from the rear panel. 3. Remove the RF connector with cable W43. Figure 7-56.
5. Rear Panel Removal Refer to Figure 7-57. 1. Complete \1. Preliminary Steps" and \7. J1 RF Output Connector Removal" before continuing. 2. Remove the four screws on the top back edge. 3. Remove the four screws on the bottom back edge. 4. Slide the rear panel out of the casting. Figure 7-57.
Refer to Figure 7-58. 5. Disconnect ribbon cable W31 from the motherboard. 6. Disconnect the 8-pin line switch connector. 7. Disconnect the fan harness. 8. Cut the tie wraps holding the coaxial cables to the four BNC connectors and the source module interface. 9. Disconnect the coaxial cables from the A7, A10, A12, and A14 assemblies and disconnect the source module interface cable from the A19 assembly. Figure 7-58.
6. Major Assemblies Removal Refer to Figure 7-59. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", \7. J1 RF Output Connector Removal", and \5. Rear Panel Removal" before continuing. 2. Remove the six screws from the regulator shield. 3. Remove the shield. 4. Cut the tie wraps holding the cables attached to the PC assemblies. 5. Disconnect all cables attached to the PC assemblies. 6. Disconnect semi-rigid cable W54 from the A6 assembly. Note All cables are labeled for easy reassembly.
7. RF Deck Removal Refer to Figure 7-60. 1. Complete \1. Preliminary Steps" and \7. J1 RF Output Connector Removal" before continuing. 2. Disconnect cable W51 from the attenuator. 3. Remove the two hex screws from the RF deck. Figure 7-60. W51 Location CAUTION Avoid damage to the various ribbon cables and their connectors attached to the RF deck assembly when removing that assembly in the next step. Move all exible coaxial cables out of the way of the RF deck assembly components. 4.
8. Motherboard Removal Refer to Figure 7-61. 1. Complete \1. Preliminary Steps", \2. Front Panel Removal", \7. J1 RF Output Connector Removal", \5. Rear Panel Removal", \6. Major Assemblies Removal", and \7. RF Deck Removal" before continuing. 2. Disconnect the transformer pin-locking tab and the reference oscillator pin-locking tab. Figure 7-61. Motherboard Cables 3. Remove the 16 screws from the bottom side of the motherboard bottom side Figure 7-62. 4. Lift o the motherboard.
Figure 7-62.
8 Post{Repair Table 8-1.
Table 8-1.
Table 8-1.
Table 8-1.
Table 8-1.
Table 8-1.
9 Replaceable Parts Introduction Replaceable parts include major assemblies and all chassis hardware. Table 9-1 lists reference designations and abbreviations used in this chapter. For information on removing and replacing assemblies, see Chapter 7, \Disassembly and Replacement Procedures." Module{Exchange Program Many major assemblies are covered by the module{exchange program.
Ordering Information For any listed part, request the Agilent part number and quantity required from the nearest Agilent o ce. How to Order Parts ... Fast! Agilent parts specialists have direct on{line access to the replaceable parts listed in this manual. Four{day delivery is standard; there is a charge for hotline (one{day) delivery.
Table 9-1.
Figure 9-1.
Major Assemblies{Top View Figure 9-2.
Major Assemblies{RF Deck Figure 9-2.
Major Assemblies{RF Deck Figure 9-2.
Major Assemblies{RF Deck Figure 9-2.
Major Assemblies{RF Deck Figure 9-2.
Ref. Desig. Part Number Table 9-2.
Ref. Desig. Table 9-2.
Ref. Desig. Table 9-2.
Ref. Desig. Table 9-2.
Ref. Desig. Table 9-2.
Cables{Front Panel Figure 9-3.
Cables{Top View Figure 9-3.
Cables{Top View 8360 B-Series Option 002 Figure 9-3.
Cables{83640B/L and 83650B/L RF Deck No Options Figure 9-3.
Cables{83640B/L and 83650B/L RF Deck Option 001 Figure 9-3.
Cables{83640B/50B RF Deck Option 006 Figure 9-3.
Cables{83640B/50B RF Deck Options 001 and 006 Figure 9-3.
Cables{83620B/22B and 83630B/L RF Deck No Options Figure 9-3.
Cables{83620B/22B and 83630B/L RF Deck Option 001 Figure 9-3.
Cables{83620B/22B/30B RF Deck Option 006 Figure 9-3.
Cables{83620B/22B/30B RF Deck Options 001 and 006 Figure 9-3.
Cables{83623B RF Deck No Options Figure 9-3.
Cables{83623B RF Deck Option 001 Figure 9-3.
Cables{83624B RF Deck No Options Figure 9-3.
Cables{83624B RF Deck Option 001 Figure 9-3.
Cables{83623B/24B RF Deck Option 006 Figure 9-3.
Cables{83623B/24B RF Deck Options 001 and 006 Figure 9-3.
Cables{83623L RF Deck No Options Figure 9-3.
Cables{83623L RF Deck Option 001 Figure 9-3.
Ref. Desig. Part Number Qty Table 9-3. Cables Description W1 W2 W3 W4 W5 08360-60062 08360-60056 08360-60057 08360-60055 08360-60054 1 1 1 1 1 DISPLAY POWER A3J1/A21J1 SMI/MOTHERBOARD{A2J1/A22J1 F.P. PROCESSOR/MOTHERBOARD A3J2/A22J2 F.P. PROCESSOR/DISPLAY A3J3/A21J2 KEYBOARD/F.P.
Ref. Desig. Part Number Table 9-3.
Ref. Desig. Part Number Table 9-3.
Ref. Desig. Part Number Table 9-3.
Ref. Desig. Part Number Table 9-3.
Ref. Desig. Part Number Table 9-3.
Front Panel Hardware Figure 9-4.
1 2 Ref. Desig. 3 4 5 6 7 8 9 10 11 J1 RPG1 Agilent 8360 Part Number 0515-2043 0515-0943 0535-0082 0370-3033 0515-2043 0515-0943 0535-0082 2190-0102 0590-1251 Table 9-4. Front Panel Hardware Qty Description 7 2 2 1 2 4 4 2190-0102 0590-1251 2190-0102 0590-1251 2190-0102 0590-1251 08360-40007 1251-5436 1 4 08340-60326 1 2190-0016 2950-0043 1 1 SCREW-MACH. M4 x 0.7 8MM-LG 90-DEG-FLH-HD SCREW-MACH. M4 x 0.7 12MM-LG NUT-SPECIALTY M3.5 x 1.27 THD; 8.44MM ROTARY KNOB SCREW-MACH. M4 x 0.
Front Panel, Casting and Keypad Figure 9-5. Front Panel, Casting and Keypad Table 9-5. Front Panel, Casting and Keypad 1 2 3 Ref. Desig. Part Number 08360-60146 08360-20051 06360-20050 Qty Description KEYPAD REPLACEMENT KIT FRONT PANEL CASTING - FEEDS (8360 B-Series only) FRONT PANEL CASTING - NO FEEDS (Option 004 for all 8360 B/L models) 4 06360-20287 1 FRONT PANEL CASTING - (8360 L-Series only) For 2, 3, and 4, also order front panel nameplate from Table 9-16.
Front Panel, Attaching Hardware Figure 9-6. Front Panel, Attaching Hardware (1 of 3) Table 9-6. Front Panel, Attaching Hardware 1 2 3 4 5 Ref. Desig. Agilent 8360 Part Number 0515-0372 0515-0664 08360-00034 0515-0372 0515-0372 Qty 27 2 2 Description SCREW-MACHINE ASSEMBLY M3 x 0.5 8MM-LG SCREW-MACHINE ASSEMBLY M3 x 0.5 12MM-LG MOUNTING BRACKET - DISPLAY SCREW-MACHINE ASSEMBLY M3 X 0.5 8MM-LG SCREW-MACHINE ASSEMBLY M3 X 0.
Front Panel, Attaching Hardware Figure 9-6.
Front Panel, Attaching Hardware Figure 9-6.
Rear Panel Hardware Figure 9-7.
Rear Panel Hardware 1 2 3 Ref. Desig. 4 5 6 7 8 9 10 11 12 13 14 15 Agilent 8360 Part Number Table 9-7. Rear Panel (1 of 2) Qty Description 08360-00001 0515-1372 1 5 6960-0027 08360-60094 6960-0041 4 1 1 2950-0035 2190-0102 4 4 2950-0035 2190-0102 2950-0035 2190-0102 2950-0035 2190-0102 0515-0380 0380-0643 1251-5436 0515-1037 0515-0372 8 2 4 2 9 08360-60032 1 REAR PANEL SCREW-MACHINE ASSEMBLY M3 x 0.5 8MM-LG BNC CONNECTORS (Order A34 of Table 9-2) PLUG-HOLE TR-HD FOR .
Ref. Desig. 16 17 18 19 20 21 22 23 AT1 F1 Part Number 08360-00025 6960-0027 2950-0035 2190-0102 6960-0041 2950-0035 2190-0102 6960-0041 2950-0035 2190-0102 6960-0041 1250-1753 08360-20245 0515-2032 1810-0118 2110-0227 2110-0003 2110-0564 2110-0565 2110-0569 9-48 Replaceable Parts Table 9-7. Rear Panel (2 of 2) Qty Description 1 4 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 FAN (see Table 9-2) PLATE - REAR BLANK PLUG-HOLE TR-HD FOR .
Rear Panel Fan Assembly Figure 9-8. Rear Panel Fan Assembly Table 9-8. Rear Panel Fan Assembly Ref. Desig. 1 2 3 4 5 6 7 8 9 10 11 Agilent 8360 Part Number 0515-0430 08360-00059 08360-20254 08360-00058 08360-40011 08360-00060 0515-2011 0400-0356 08360-00057 08360-00061 08360-80026 Qty 2 1 1 1 1 1 8 4 2 2 1 Description SMM 3.0 6 PM TX FAN SHROUD FOAM HEXCELL HONEYCOMB GROUND HEX SHROUD REAR PANEL SCREW-MACHINE ASSY M3.5 x 0.
Bottom View, Attaching Hardware Figure 9-9. Bottom View, Attaching Hardware Table 9-9. Bottom View, Attaching Hardware 1 2 3 4 5 6 7 Ref. Desig. Part Number Qty 6960-0016 2 0624-0518 08360-40002 0515-0382 3 1 16 9-50 Replaceable Parts Description PLUG-HOLE TR-HD FOR .125-D HOLE NYL SCREW-MACHINE (See Table 9-7) SCREW-TPG 6-19 .25-IN-LG PAN-HD-TORX T15 HIGH VOLTAGE COVER SCREW-MACHINE ASSEMBLY M4 x 0.
Top View, Attaching Hardware Figure 9-10.
Table 9-10. Top View, Attaching Hardware 1 2 3 4 5 Ref. Desig.
Left Side View, Attaching Hardware Figure 9-11. Left Side View, Attaching Hardware Table 9-11. Left Side View, Attaching Hardware 1 2 3 Ref. Desig. Agilent 8360 Part Number 0515-2086 0515-0382 0515-2086 Qty 4 15 Description SCREW-SPCL M4 x 0.7 7MM-LG 90-DEG-FLH-HD SCREW-MACHINE ASSEMBLY M4 x 0.7 12MM-LG SCREW-SPCL M4 x 0.
Right Side View, Attaching Hardware Figure 9-12. Right Side View, Attaching Hardware Table 9-12. Right Side View, Attaching Hardware 1 2 3 4 5 Ref. Desig. Part Number 0515-0382 0515-2086 0515-0433 0515-0382 0515-2086 9-54 Replaceable Parts Qty 33 8 2 Description SCREW-MACHINE ASSEMBLY M4 x 0.7 12MM-LG SCREW-SPCL M4 x 0.7 7MM-LG 90-DEG-FLH-HD SCREW-MACHINE ASSEMBLY M4 x 0.7 8MM-LG SCREW-MACHINE ASSEMBLY M4 x 0.7 12MM-LG SCREW-SPCL M4 x 0.
RF Deck Right Side View, Attaching Hardware Figure 9-13. RF Deck Right Side View, Attaching Hardware Table 9-13. RF Deck Right Side View, Attaching Hardware 1 2 3 4 5 6 7 8 9 Ref. Desig. Agilent 8360 Part Number 0515-0372 3050-0169 0515-2011 2360-0370 0515-0372 08360-20141 0515-0372 0515-0458 0515-0430 Qty Description 17 4 4 4 SCREW-MACHINE ASSEMBLY M3 x 0.5 8MM-LG WASHER-SPR CRVD NO.6 .143-IN-ID SCREW-MACHINE ASSEMBLY M3.5 x 0.060 12MM-LG SCREW-MACH 6-32 .
RF Connector and Attaching Hardware Figure 9-14. RF Connector and Attaching Hardware Table 9-14. RF Connector and Attaching Hardware 1 Ref. Desig. 2 3 4 5 J1 Part Number 08360-20095 08360-20096 08360-20088 2950-0001 08360-20133 2190-0016 08360-00004 08360-00024 9-56 Replaceable Parts Qty 1 1 1 1 1 1 1 1 Description FRONT MOUNTING BRACKET 3.5 MM CONNECTOR FRONT MOUNTING BRACKET 2.4 MM CONNECTOR SPACER FOR 3.5 MM CONNECTOR NUT-HEX-DBL-CHAM 3/8-32-THD (3.5 mm connector) NUT-HEX-DBL-CHAM M10 X1 (2.
Chassis Parts Figure 9-15.
Ref. Desig. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Part Number 5062-3736 0515-1245 5021-5838 5041-8802 5021-8405 5062-3800 0515-0943 5021-8497 5041-8801 5062-3748 1460-1345 5062-3843 5041-8819 0515-0707 5041-8820 5062-3705 08360-20040 5021-5806 54110-40502 0515-1444 08360-20253 9-58 Replaceable Parts Table 9-15.
Table 9-16. Miscellaneous Replaceable Accessories Ref. Desig.
Table 9-16. Miscellaneous Replaceable Accessories (continued) Ref. Desig.
Table 9-16. Miscellaneous Replaceable Accessories (continued) Ref. Desig.
Table 9-16. Miscellaneous Replaceable Accessories (continued) Ref. Desig.
10 Preventive Maintenance Introduction This chapter contains the following information on care and maintenance of the synthesizer: How to Clean the Fan Filter How to Clean the Display Filter How to Replace the Line Fuse How to Replace the CPU Battery Connector Care WARNING Agilent 8360 This is a Safety Class I product (provided with a protective earthing ground incorporated in the power cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact.
How to Clean the Fan Filter The cooling fan, located on the rear panel, has a thin foam lter. How often the lter must be cleaned depends on the environment in which the synthesizer operates. As the lter collects dust, the fan speed increases to maintain air ow (as the fan speed increases, so does the fan noise). If the lter continues to collect dust after the fan reaches maximum speed, air ow is reduced and the synthesizer's internal temperature increases.
Figure 10-1.
How to Clean the Display Filter The synthesizer's display is protected by a plastic display lter. To clean the display lter, use mild soap or detergent and water, or a commercial window cleaner (ammonia does not hurt the plastic surface). Use a soft, lint-free cloth. Do not use abrasive cleaners, tissues, or paper towels which can scratch the plastic. Under normal operation, you will need to clean only the front side of the display lter.
How to Replace the Line Fuse The line fuse is located on the instrument rear panel. Replace this fuse as follows: 1. Turn the synthesizer to standby (yellow LED on). 2. Remove the AC line cord. WARNING The detachable power cord is the instrument disconnecting device. It disconnects the mains circuits from the mains supply before other parts of the instrument. The front panel switch is only a standby switch and is not a LINE switch. 3. Refer to Figure 10-2.
How to Replace the CPU Battery (A15BT1) WARNING Danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type recommended. Battery A15BT1 contains lithium iodide. Do not incinerate or puncture this battery. Dispose of the discharged battery in a safe manner. Do not throw batteries away but collect as small chemical waste. CAUTION The A15 CPU Assembly may be damaged if it is placed on a conductive surface. Use a static-safe work station.
Connector Care Clean and gage the synthesizer's output connector periodically. For details, refer to Application Note 326 , which documents the principles of microwave connector care.
11 Option Retrofits Introduction This chapter provides option retro t information. Each option and the complexity of the retro t procedure are brie y described. Some options cannot be retro tted and so are not mentioned in this chapter. Where applicable, kit part numbers are provided for both adding and deleting the option.
Add Attenuator (Add Option 001) Option 001 adds an attenuator to the RF deck to provide the capability of setting a wider range of output power. To add the attenuator, the RF deck must be recon gured. Adjustments and performance tests that are required after installation of the attenuator are listed in Chapter 8 and in the installation note.
Add Modulation/Generator (Add Option 002) Option 002 adds a digitally-synthesized internal modulation source and AM depth and FM deviation meters. Because this is a complex procedure, it is recommended that the instrument be returned to an Agilent service center for retro tting. Purchase of the retro t kit includes installation at an Agilent service center.
Rear Panel RF Output (Add Option 004) Option 004 moves the RF output, external ALC input, pulse input/output, AM input, and FM input connectors from the front panel to the rear panel. Due to the unique design of the RF deck, there is no loss of output power with the rear output option. Adjustments and performance tests that are required after installation are listed in Chapter 8 and in the installation note included in the retro t kit.
1 Hz Capability (Add Option 008) Option 008 provides 1 Hz frequency resolution (1 kHz resolution is standard). HP BASIC 5.1 and an HP 9000 series 200 or 300 computer are required to run the software to retro t the instrument. Agilent Model Number Retro t Kit Part Number All models 08360-60141 MATE Compatibility (Add Option 700) Option 700 adds CIIL program commands to the instrument for MATE system compatibility. HP BASIC 5.
Rack Mount Slide Kit (Add Option 806) Option 806 contains the necessary hardware to mount sliding rack mounts on the synthesizer. This allows easier access to the synthesizer when it is mounted in an equipment rack. You must remove the instrument side panels to install the kit. Instructions for installation are in the installation note included in the retro t kit.
Extra Manual Set (Add Option 910) All instruments are supplied with one complete manual set which documents operation and service. Each Option 910 (available only with the initial order) provides one additional complete manual set. To order additional manuals after initial shipment, order the individual manual part numbers, or the manual set part numbers listed in Chapter 9.
12 Instrument History How to Use Instrument History This manual documents the current production versions of the \standalone" Agilent 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator. This manual will be modi ed to apply to future versions of these instrument models. Information provided in this chapter will then allow you to adapt this manual to the earlier versions.
Change A Change A The A4 Fractional-N Assembly has Changed All Agilent 8360 B-Series and 8360 L-Series instruments with serial pre x numbers 3722A and below have a Fractional-N assembly that is di erent than the one documented in this manual. As a result, you must apply the changes described in this section in order for this manual to conform to your instrument. Replaceable Parts The part numbers listed in Table 12-1 are correct for your instrument.
Change A Figure 12-3.
Change A Adjustments The following adjustments apply to your instrument. Use these adjustments in addition to the ones described in the \Adjustments" chapter of this manual. Fractional-N VCO Adjustment Description and Procedure No test equipment is required for this procedure. This adjustment sets the VCO tuning voltage to 06.0 V for a VCO output of 60 MHz. 1. Leaving all cables connected, place the A4 fractional-N assembly on an analog extender board. 2. Turn the synthesizer on and press 4PRESET5.
Change A In Case of Difficulty 1. Verify that an analog extender board is used. 2. Make sure the 125 kHz reference cable, W11, is connected to A4J1. 3. Refer to the Agilent Technologies 8360 B-Series Swept Signal Generator/8360 L-Series Swept CW Generator Troubleshooting Guide . Fractional-N Reference and API Spurs Adjustment Do not perform this adjustment on a new or rebuilt replacement assembly. The A4 assembly is factory-adjusted, and is not instrument dependent.
Change A Figure 12-5. Fractional-N Reference and API Spur Adjustment Setup Equipment Spectrum Analyzer HP/Agilent 8566B 2. On the spectrum analyzer, set: Frequency Span: Resolution Bandwidth: Sweep Time: Reference Level: Scale Log: Video Averaging: Clear Write A: 0 Hz 10 Hz 10 s 10 dBm 10 dB/Division Off Selected 0 125 kHz Reference Spur Adjustment 3.
Change A Center Frequency: 44.0 MHz Reference Level: 40 dBm 0 5. On the synthesizer, adjust A4R70 (see Figure 12-6) for minimum signal on the spectrum analyzer. Figure 12-6. Fractional-N Reference and API Spurs Adjustment Locations The di erence in level between the signal noted in step 4 and the signal in this step should be at least 075 dBc.
Change A API 1 Spur Adjustment 6. On the synthesizer, change the fractional-N to CW 44.005 MHz. Press: 444.0055 4MHz5 7. On the spectrum analyzer, set: Center Frequency: 44.005 MHz Reference Level: +10 dBm dBm Note the signal level: Center Frequency: 44.0 MHz Reference Level: 40 dBm 0 8. On the synthesizer, adjust A4R31 (see Figure 12-6) for minimum signal on the spectrum analyzer. The di erence in level between the signal noted in step 7 and the signal in this step should be at least 070 dBc.
Change A Calibration Constants Use the information in Table 12-3 instead of the equivalent Fractional{N information provided in the \Calibration Constants" chapter. Table 12-3. Assemblies and Corresponding Cal Constant ID Numbers and Revisions Assembly ID Number Revision Part Number A4 None #496 0 Description 08360-60010 Fractional{N Post Repair Use the information in Table 12-4 instead of the equivalent Fractional{N information provided in the \Post Repair" chapter. Table 12-4.
Index 1 10 MHz reference standard removal, 7-29 10 MHz standard adjustment interval, 3-8 10 MHz standard adjustment, 3-4 125 kHz reference spur, 12-5 A A9 pulse board jumper adjustment, 3-97 ADC adjustment, 5-13 adjustments 10 MHz standard, 3-4 A9 pulse board, 3-97 ALC power level accuracy, 3-67 AM accuracy, 3-75 AM delay, 3-80 AM/FM DAC o set and gain, 3-73 AM input impedance, 3-86 AM o set, 3-78 ampli er lter, 3-32 external trigger edge selection, 3-94 FM gain, 3-82 FM input impedance, 3-89 fractional-N
checksum veri cation, 4-2 connector care, 10-7 coupler removal, 7-44 internal pulse accuracy, 2-105 internal timebase aging rate, 2-7 D J DC blocking capacitor removal, 7-42, 7-44 diode switch removal, 7-44 directional coupler removal, 7-44 disassembly front panel, 7-4 motherboard, 7-62 rear panel, 7-21 RF deck, 7-37 display lter cleaning, 10-4 display lter removal, 7-17 display removal, 7-10 doubler removal, 7-44 dual modulator removal, 7-44 E EEPROM storage calibration constants, 4-2 external ALC inp
FM bandwidth, 2-95 frequency switching time, 2-18 internal pulse accuracy, 2-105 internal timebase, 2-7 maximum FM deviation, 2-100 maximum leveled power, 2-28 modulation meter, 2-107 power accuracy, 2-23 power atness, 2-26 pulse modulation on/o ratio, 2-52 pulse modulation video feedthrough, 2-71 pulse performance, 2-55 pulse performance (alternate), 2-60 single sideband phase noise, 2-48 spurious signals (harmonics & subharmonics), 2-32 spurious signals (line-related), 2-45 spurious signals (non-harmonic)
U UVEPROM calibration constants, 4-2 V VCO tuning voltage, 12-4 voltage selector switch removal, 7-32 volts/GHz adjustment, 3-95 Index-4 Y YIG oscillator removal, 7-44 YO delay adjustment, 5-12 YO driver +10 V reference adjustment, 3-14 YO driver gain and linearity adjustment, 3-15 YO loop gain adjustment, 3-17
