Site Master™ Models S114C and S332C Antenna, Cable and Spectrum Analyzers MAINTENANCE MANUAL 490 JARVIS DRIVE · MORGAN HILL, CA 95037-2809 P/N: 10580-00068 REVISION D PRINTED: June 2009 COPYRIGHT ã 2002-2009 ANRITSU CO.
Table of Contents 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2. DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3. SITE MASTER FREQUENCY ACCURACY . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4. RETURN LOSS VERIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5. SPECTRUM ANALYZER FREQUENCY ACCURACY . . . . . . . . . . . . . . . . . . . . 5 6.
1. (a) Press the Preset key, then select Preset All (F1). INTRODUCTION This manual provides maintenance instructions for the Site Master Model S114C and S332C Antenna, Cable, and Spectrum Analyzers. It describes the product and provides performance verification procedures, parts replacement procedures, and a replaceable parts list. 2. (b) Press the Frequency key. (c) Press the 1 key and then the GHz key to change the Center Frequency to 1 GHz. (d) Press the Span key.
4. RETURN LOSS VERIFICATION The following test can be used to verify the accuracy of return loss measurements. Measurement calibration of the Site Master is required for this test. a. Equipment Required: · 20 dB offset, Anritsu SC5270 b. Procedure: 1. Connect the 10 MHz reference source to the Anritsu MG3692A Synthesized Signal Source. 2. Connect the output of the source to the RF Input of the Site Master. 3. Connect the external power supply (Anritsu part number 40-115) to the Site Master. 4.
15. Press the VBW soft key and then the MANUAL soft key. Use the Up/down arrow key to select 3 kHz. Press ENTER to set the video bandwidth to 3 kHz. 16. Press the MARKER key, then the M1 soft key. 17. Select the EDIT soft key and use the Up/down arrow key to center the marker on the waveform. Verify that the marker frequency is 1000 MHz, ± 2 kHz for the S114C, or 2000 MHz ± 4 kHz for the S332C. NOTE If the unit fails the Spectrum Analyzer Frequency Accuracy test, contact Anritsu Customer Service. 6.
NOTE The measured value is converted to dBc/Hz using the following formula: dBc / Hz = - measured dBc - 10log ( RBW 1Hz ) [ At 10 kHz RBW, 10log ( ) = 40 , so dBc / Hz = - measured dBc - 40. ] 3. Connect the external power supply (Anritsu part number 40-115) to the Site Master. 4. On the Site Master, press and hold the ESCAPE/CLEAR key, then press the ON/OFF key to turn on the Site Master. (This sets the instrument to the factory preset state.) 5.
19. On the MG3692A Synthesized Signal Source, adjust the output level so that the M1 reading of Site Master Spectrum Analyzer is –30 dBm at 40 MHz. 3. On the Site Master, press the MODE key. Use the up/down arrow key to highlight SPECTRUM ANALZYER and press ENTER to select spectrum analyzer mode. 20. On the Site Master, press the FREQ/DIST key and then the CENTER soft key. 4. Press the AMPLITUDE key and the REF LEVEL soft key. 21.
19. Press the FREQ/DIST key and the START soft key. 39. Press the ON/OFF soft key and then the MARKER TO PEAK soft key. 20. Enter 4 and press the MHz soft key to set the start frequency to 4 MHz. 40. Record the M1 amplitude reading and verify it is £ –90 dBm. 21. Press the STOP soft key and enter 1000, then press the MHz soft key to set the stop frequency to 1000 MHz. 22. Wait until one full sweep is complete. 23. Press the MARKER key and then the M1 soft key. 24.
9. Press the FREQ/DIST key and the CENTER soft key. 10. Enter 1 and press the GHz soft key to set the center frequency to 1GHz. NOTE The Measured Occupied BW value for each RBW setting can be recorded in Table 1. 30 kHz RBW Test 23. Press the FREQ/DIST key. 24. Press the SPAN soft key, enter .1 and press the MHz soft key to set the span to 0.1 MHz. 25. Press the SWEEP key. 26. Press the RBW soft key and then the MANUAL soft key. Use the Up/down arrow key to select 30 kHz.
10. SPECTRUM ANALYZER MEASUREMENT ACCURACY TEST This test verifies the level accuracy of the Site Master Spectrum Analyzer. a. 3. Connect the external power supply (Anritsu part number 40-115) to the Site Master. 4. On the Site Master, press and hold the ESCAPE/CLEAR key, then press the ON/OFF key to turn on the Site Master. (This sets the instrument to the factory preset state.) 5. Turn on the power meter and signal source.
12. Press the SPAN soft key and enter .5, then press the MHz key to set the span to .5 MHz. 13. Press the AMPLITUDE key. 14. Press the REF LEVEL soft key, enter 20 and press the ENTER key to set the reference level to +20 dBm. 15. Press the FREQ/DIST key and the CENTER soft key. 16. Enter 50 and press the MHz soft key to set the center frequency to 50 MHz. 17. On the Anritsu ML2430A-Series Power Meter, press the Sensor key and then the CalFactor soft key.
11. DISPLAYED AVERAGE NOISE LEVEL The following test can be used to verify the displayed average noise level of the Site Master Spectrum Analyzer. a. Equipment Required: · Anritsu 28N50-2 or SM/PL 50 ohm Termination or equivalent b. Enter 100 and press the kHz soft key to set the start frequency to 100 kHz. 14. Press the STOP soft key and enter 500, then press the kHz soft key to set the stop frequency to 500 kHz. 15. Wait until a full sweep is complete. 16.
34. Press the STOP soft key. 35. For the S114C, enter 1600 then press the MHz soft key to set the stop frequency to 1600 MHz. 1. Connect the output of the Power Splitter to the RF In port of the Site Master Spectrum Analyzer. For the S332C, enter 2000 then press the MHz soft key to set the stop frequency to 2. Connect the output of the both signal sources to the input of the Power Splitter. Turn on both sources. b. Procedure: 2000 MHz. 36. Wait until a full sweep is complete. 3. 37.
. Adjust the signal levels of both signal sources so that both signal peaks are at –20 dBm as indicated on the Site Master Spectrum Analyzer display. b. Procedure 1. Connect the DC power supply to the MA2418A Reference Source (Figure 2). 2. Connect the MA2418A Reference Source to the input of the 560-7N50B RF detector. 3. Connect the RF Detector output to the RF Detector input of the Site Master. 4.
14. TERMINATION VERIFICATION This test verifies the accuracy of the Site Master SM/PL termination using the precision return loss mode of the 541XXA Scalar Measurement System. Measurements of terminations using this mode provide results that are traceable to the NIST (National Institute of Standards and Technology) standards for the precision airline. a. 4. Using the Menu up-down keys: Highlight RESET, then press the Select key. 5.
12. 13. 14. At the CALIBRATION menu display, use the Menu up-down keys to highlight START CAL, then press the Select key. Press the Select key when ready. 16. At the PRECISION RETURN LOSS CALIBRATION menu prompt, connect the Open to the beadless end of the airline. Press the Select key to start the calibration. 19. 14 + 0 .0 d B At the next menu prompt, remove the Open and connect the Short to the beadless end of the airline. Press the Select key to start the calibration process.
a. Equipment Required: · InstaCal Module, part number ICN50 · 20 dB offset, Anritsu SC5270 · 6 dB offset, Anritsu SC5237 b. Selecting the NO soft key will temporarily transfer only the portion of the characterization data necessary for this particular calibration. This transfer takes aproximately 30 to 60 seconds, and will have to be repeated every time a calibration is done using this combination of Site Master and InstaCal module.
16. BATTERY PACK REMOVAL AND REPLACEMENT This procedure provides instructions for removing and replacing the Site Master battery pack. NOTE Procedures in this manual may apply to many similar instruments. Photos and illustrations used are representative and may show instruments other than the S114C or S332C. 1. With the Site Master standing upright on a stable surface, locate the battery access door (Figure 9). Figure 7. Removing the Battery Access Door Figure 8.
17. BATTERY INFORMATION The following information relates to the care and handling of the Site Master battery, and NiMH batteries in general. · The Nickel Metal Hydride (NiMH) battery supplied with the Site Master is shipped in a discharged state. Beore using the Site Master, the internal battery must first be charged for three hours, either in the Site Master or in the optional battery charger (Anritsu part number: 2000-1029). · Use only Anritsu approved battery packs.
18. FRONT PANEL ASSEMBLY REMOVAL AND REPLACEMENT 8. Remove the front panel assembly. This procedure provides instructions for removing and replacing the Site Master front panel assembly. With the front panel assembly removed, the LCD display, keypad PCB, keypad membrane, and main PCB assemblies can be removed and replaced. J15 J4 1. Place the Site Master face up on a work surface. 2. Remove the four rubber corner bumpers by carefully sliding the bumpers off of the case corners (Figure 11).
19. LCD ASSEMBLY REPLACEMENT 20. KEY PAD PCB REPLACEMENT This procedure provides instructions for removing and replacing the Liquid Crystal Display (LCD) once the front panel assembly has been separated from the Site Master. This procedure provides instructions for removing and replacing the key pad PCB. 1. 2. 3. 4. 1. Remove the front panel assembly as directed in section 18. Remove the front panel assembly as directed in section 18. 2.
21. KEY PAD MEMBRANE REPLACEMENT This procedure provides instructions for replacing the key pad membrane. 1. Remove the front panel assembly as directed in section 18. 2. Remove the key pad PCB as directed in section 20. 3. Remove the keypad membrane by gently pulling the membrane up and out of the holes in the front panel. KEYPAD MEMBRANE BATTERY CONNECTOR PCB MOUNTING SCREWS (3) Figure 16. 5. Control PCB Remove the three .
23. REPLACEABLE PARTS Replaceable parts for the Site Master Models S114C and S332C are listed below. Table 3.
23.1. Anritsu Customer Service Online support and updates to the product software or documentation, if any, can be downloaded from the Anritsu Web site at: http://www.us.anritsu.com For the latest service and sales contact information in your area, please visit: http://www.anritsu.com/contact.
