HP4402.book : title.fm i Fri Feb 12 15:32:45 1999 User’s Guide HP E4419B Power Meter HP Part no.
HP4402.book : title.fm ii Fri Feb 12 15:32:45 1999 © Copyright Hewlett-Packard Company All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. Printed in the UK.
HP4402.book : title.fm iii Fri Feb 12 15:32:45 1999 Legal Information Legal Information Notice Information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
HP4402.book : title.fm iv Fri Feb 12 15:32:45 1999 Legal Information 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 modification or misuse, operation outside of the environmental specifications for the product, or improper site preparation or maintenance. NO OTHER WARRANTY IS EXPRESSED OR IMPLIED.
HP4402.book : title.fm v Fri Feb 12 15:32:45 1999 Equipment Operation Equipment Operation Warnings and Cautions This guide uses warnings and cautions to denote hazards. WARNING A warning calls attention to a procedure, practice or the like, which, if not correctly performed or adhered to, could result in injury or the loss of life. Do not proceed beyond a warning until the indicated conditions are fully understood and met.
HP4402.book : title.fm vi Fri Feb 12 15:32:45 1999 General Safety Considerations General Safety Considerations WARNING Before this instrument is switched on, make sure it has been properly grounded through the protective conductor of the ac power cable to a socket outlet provided with protective earth contact. Any interruption of the protective (grounding) conductor, inside or outside the instrument, or disconnection of the protective earth terminal can result in personal injury.
HP4402.book : title.fm vii Fri Feb 12 15:32:45 1999 General Safety Considerations IEC 1010-1 Compliance This instrument has been designed and tested in accordance with IEC Publication 61010-1 +A1:1992 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use and has been supplied in a safe condition. The instruction documentation contains information and warnings which must be followed by the user to ensure safe operation and to maintain the instrument in a safe condition.
HP4402.book : title.fm viii Fri Feb 12 15:32:45 1999 Regulatory Information Regulatory Information Sound Emission Herstellerbescheinigung Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenlarminformationsverordnung vom 18 Januar 1991. • • • • Sound Pressure LpA < 70 dB. Am Arbeitsplatz. Normaler Betrieb. Nach DIN 45635 T. 19 (Typprufung). Manufacturers Declaration This statement is provided to comply with the requirements of the German Sound DIN 45635 T. 19 (Typprufung).
HP4402.book : title.fm ix Fri Feb 12 15:32:45 1999 Regulatory Information Declaration of Conformity according to ISO/IEC Guide 22 and EN45014 Manufacturer’s Name: Hewlett Packard Ltd.
HP4402.book : title.fm x Fri Feb 12 15:32:45 1999 List of Related Publications List of Related Publications The HP E4419B User’s Guide is also available in the following languages: • • • • • • English Language User’s Guide - Standard German Language User’s Guide - Option ABD Spanish Language User’s Guide - Option ABE French Language User’s Guide - Option ABF Italian Language User’s Guide - Option ABZ Japanese Language User’s Guide - Option ABJ HP E4418B/E4419B Programming Guide is shipped as standard.
HP4402.book : title.fm xi Fri Feb 12 15:32:45 1999 HP E4419B Options HP E4419B Options The HP E4419B power meters have the following options available: • • • • • • • • • • • Option 001, supplies an internal rechargeable battery providing full instrument functionality when access to an ac power outlet is not available. Option 002, supplies parallel rear panel sensor input(s). The power reference oscillator output is on the front panel. Option 003, supplies parallel rear panel sensor input(s).
HP4402.book : title.fm xii Fri Feb 12 15:32:45 1999 About this Guide About this Guide Chapter 1: Getting Started This chapter prepares the power meter for use and helps you to get familiar with a few of the front panel features. Chapter 2: Power Meter Operation This chapter gives a detailed description of the capabilities and operation of the power meter. You will find this chapter useful when you are operating the power meter from the front panel.
HP4402.book : HP4402TOC.doc 1 Fri Feb 12 15:32:45 1999 Table of Contents Page Legal Information ........................................................................ iii Notice ..................................................................................... iii Certification ........................................................................... iii Warranty................................................................................ iii Limitation of Warranty ..............................
HP4402.book : HP4402TOC.doc 2 Fri Feb 12 15:32:45 1999 The Rear Panel at a Glance.......................................................... 1-16 Adjusting the Carrying Handle.................................................... 1-18 Rack Mounting the Power Meter ................................................. 1-19 Power Meter Operation ..................................................................... 2-1 Introduction...................................................................................
HP4402.book : HP4402TOC.doc 3 Fri Feb 12 15:32:45 1999 Setting Display Offsets .......................................................... 2-36 Setting Averaging ......................................................................... 2-38 Step Detection......................................................................... 2-39 Measuring Pulsed Signals ............................................................ 2-41 Setting Measurement Limits .......................................................
HP4402.book : HP4402TOC.doc 4 Fri Feb 12 15:32:45 1999 System Inputs Menu (1 of 4).................................................. 3-7 System Inputs Menu (2 of 4).................................................. 3-8 System Inputs Menu (3 of 4).................................................. 3-9 System Inputs Menu (4 of 4).................................................. 3-10 Zero/Cal Menu ........................................................................ 3-11 Front Panel Menu Reference........
HP4402.book : HP4402LOF.doc 5 Fri Feb 12 15:32:45 1999 List of Figures Page 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 4-1 Battery Status............................................................................ 2-4 Battery Removal/Replacement.................................................. 2-6 Rmt I/O Port TTL Inputs .......................................................... 2-12 “Sensor Tbls” Screen......................................
HP4402.book : HP4402LOF.
HP4402.book : HP4402LOT.doc 7 Fri Feb 12 15:32:45 1999 List of Tables Page 2-1 2-2 2-3 2-4 2-5 2-6 5-1 5-2 5-3 5-4 5-5 Connecting the HP 8480 Series Power Sensors During Calibration .................................................................... 2-11 TTL Inputs Control Logic.......................................................... 2-12 TTL Input Timing Diagram 1 ................................................... 2-13 TTL Inputs Timing Diagram 2 .................................................
HP4402.book : HP4402LOT.
HP4402.book : chapter1.
HP4402.book : chapter1.fm 2 Fri Feb 12 15:32:45 1999 Getting Started Introduction Introduction One of the first things you will want to do with your power meter is to switch it on and become acquainted with its front panel. The sections in this chapter prepare the power meter for use and help you get familiar with some of the front panel operations. The front panel consists of both hardkeys and softkeys which allow you to select various functions and operations.
HP4402.book : chapter1.fm 3 Fri Feb 12 15:32:45 1999 Getting Started Turning On the Power Meter Turning On the Power Meter The following steps show you how to turn on the power meter and verify that it is operating correctly. 1. Connect the power cord and turn on the power meter. The front panel display and the green power LED light up when the power meter is switched on. The power meter performs it’s power on self test. If the self test is not successful the error annunciator turns on.
HP4402.book : chapter1.fm 4 Fri Feb 12 15:32:45 1999 Getting Started The Front Panel at a Glance The Front Panel at a Glance 12 11 10 9 7 8 1 2 3 4 1. 5 6 Preset Local This hardkey allows you to preset the power meter if you are currently working in local mode (that is, front panel operation). In local mode a confirmation pop up window is displayed prior to a preset being carried out.
HP4402.book : chapter1.fm 5 Fri Feb 12 15:32:45 1999 Getting Started The Front Panel at a Glance 3. This hardkey switches the power meter between on and standby. When the power meter is switched to standby (that is, when this hardkey has not been selected but the line power is connected to the instrument) the red LED is lit. When the power meter is switched on the green LED is lit. Option 001 Battery: On standby with the battery installed and the ac power source disconnected the red LED is off. 4.
HP4402.book : chapter1.fm 6 Fri Feb 12 15:32:45 1999 Getting Started The Front Panel at a Glance 9. POWER REF Output. The power reference output is a 50 Ω type N connector. The output signal of 1 mW at 50 MHz is used for calibrating the sensor and meter combination. Power meters configured with option 003 have the power reference on the rear panel. 10. Arrow hardkeys. , , and hardkeys allow you to move the position of the cursor, select fields for editing, and edit alphanumeric characters.
HP4402.book : chapter1.fm 7 Fri Feb 12 15:32:45 1999 Getting Started The Display Layout The Display Layout The following figure details the display layout when two measurement windows are displayed, one analog and one digital. However it is possible using the key to display just one measurement window. 15 1 14 13 12 1110 9 2 3 4 5 8 6 7 1. The status reporting line displays five fields, three associated with either HP-IB, RS232 or RS422 status and two associated with error and warning conditions.
HP4402.book : chapter1.fm 8 Fri Feb 12 15:32:45 1999 Getting Started The Display Layout 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 1-8 allows you to toggle between a one or two window display. When two windows are displayed and this hardkey is pressed the single window then displayed is the one which was previously highlighted with the shadowed box. On the two window display the measurement setup menus work on the window which is shadowed. This is the measurement result field.
HP4402.book : chapter1.fm 9 Fri Feb 12 15:32:45 1999 Getting Started The Display Layout reference number in the left-hand column to look up Table 1-2 for the combination of sensor type and correction being applied to the current measurement.
HP4402.book : chapter1.
HP4402.book : chapter1.fm 11 Fri Feb 12 15:32:45 1999 Getting Started The Display Layout Selecting Your Display Layout Your power meter display is extremely flexible. It can be used to display a variety of different measurements and windows depending on your needs. The following diagram details the various options available to you.
HP4402.book : chapter1.fm 12 Fri Feb 12 15:32:45 1999 Getting Started The Display Layout Display Tutorial If you wish to experiment with the display layout before you move on to make measurements, the following procedure guides you through a few of the display setups you can choose. 1.Press Preset Local , Confirm . Notice that the upper window is the one which is highlighted by the dark box. 2.Press .
HP4402.book : chapter1.fm 13 Fri Feb 12 15:32:45 1999 Getting Started The Display Layout 6. Press . The display now shows both an analog and digital window. Meas 7. Press Setup , Input Select , B/A . Notice that the upper window is now set up to make a channel B over channel A ratio measurement. 8. Press to select the lower window. Press A/B . Notice that the lower window is now set up to make a channel A over channel B ratio measurement.
HP4402.book : chapter1.fm 14 Fri Feb 12 15:32:45 1999 Getting Started Window Symbols Window Symbols There are a number of different graphic symbols and pop up windows that can occur on the power meter display. These can occur for a variety of reasons such as when: • • • • • an error or warning occurs. a confirmation is required. you are required to wait while the power meter carries out a procedure. you are required to select an entry from a list. you are required to enter an alphanumeric value.
HP4402.book : chapter1.fm 15 Fri Feb 12 15:32:45 1999 Getting Started Window Symbols 1 of N Entry Window This pop up window is displayed when you are required to select an entry using and from the list. Numeric or Alphanumeric Entry Window This pop up window is displayed when you are required to modify numeric or alphanumeric data. The and keys move the position of the cursor. The and keys increment and decrement the alphanumeric digit on which the cursor is currently positioned.
HP4402.book : chapter1.fm 16 Fri Feb 12 15:32:45 1999 Getting Started The Rear Panel at a Glance The Rear Panel at a Glance 1 2 10 9 3 8 4 5 7 11 6 1. Channel A (Option 002 or 003 only) 2. Channel B (Option 002 or 003 only) 3. Power Ref (Option 003 only) The power reference output is a 50 Ω type N connector. The output signal is used for calibrating the sensor meter combination. 4. Recorder Outputs These outputs produces a dc voltage that corresponds to the power level of the channel input.
HP4402.book : chapter1.fm 17 Fri Feb 12 15:32:45 1999 Getting Started The Rear Panel at a Glance This connector allows the power meter to be controlled remotely using either the RS232 or RS422 serial interface standards. 9. Serial Label Each power meter has it’s own individual identification number. Refer to “Instrument serial numbers”, on page 2-75 for further information. 10. Rmt I/O This connector is an RJ-45 series shielded modular jack assembly.
HP4402.book : chapter1.fm 18 Fri Feb 12 15:32:45 1999 Getting Started Adjusting the Carrying Handle Adjusting the Carrying Handle To adjust the position, grasp the handle by the sides and pull outward. Rotate the handle to the desired position.
HP4402.book : chapter1.fm 19 Fri Feb 12 15:32:45 1999 Getting Started Rack Mounting the Power Meter Rack Mounting the Power Meter You can mount the power meter in a standard 19 inch rack cabinet using one of three optional kits. Instructions and mounting hardware are included with each rack mounting kit. Any HP System II instrument can be rack mounted beside the HP E4419B power meter. To rack mount the power meter: 1.
HP4402.book : chapter1.fm 20 Fri Feb 12 15:32:45 1999 Getting Started Rack Mounting the Power Meter To rack mount a single instrument, order option 908, or adapter kit 5063-9240. To rack mount two instruments side by side, order option 909, or lock-link kit 5061-9694 and flange kit 5063-9212. To install one or two instruments in a sliding support shelf, order shelf 5063-9255, and slide kit 1494-0015 (for a single instrument, also order filler panel 5002-3999).
HP4402.book : chapter2.
HP4402.book : chapter2.fm 2 Fri Feb 12 15:32:45 1999 Power Meter Operation Introduction Introduction This chapter describes the parameters which configure the power meter to make measurements and help you determine settings to optimize performance. This chapter contains the following sections: • • • • • • • • • • • • • • • • • • • • • • • • • • • • 2-2 “Battery Operation (Option 001)”, on page 2-3 “Zeroing and Calibrating the Power Meter”, on page 2-7. “Calibrating the Power Meter”, on page 2-8.
HP4402.book : chapter2.fm 3 Fri Feb 12 15:32:45 1999 Power Meter Operation Battery Operation (Option 001) Battery Operation (Option 001) The battery option (001) allows the power meter to be used in operating environments where there is no convenient access to an ac power source. General Information With the battery option installed and the power meter connected to an ac power source, the meter operates from the ac source and the battery runs in a controlled charge mode.
HP4402.book : chapter2.fm 4 Fri Feb 12 15:32:45 1999 Power Meter Operation Battery Operation (Option 001) Running time can be increased by operating the power meter with the display backlight turned off (see “Backlight”, on page 2-4 ). Figure 2-1: Battery Status When the power meter is running on battery power and there are less than 10 minutes of run-time remaining, the message “Battery Low” appears at the top of the screen.
HP4402.book : chapter2.fm 5 Fri Feb 12 15:32:45 1999 Power Meter Operation Battery Operation (Option 001) To access the backlight menu press System , More , Service , Battery . Inputs Use the softkeys on the menu to select either On , Off , or Timed . Note If the power meter is connected to an ac power source the backlight menu is greyed out and the backlight is permanently on. Battery Removal/Replacement The battery unit is easily removed and replaced. Follow the instructions given in Figure 2-2.
HP4402.book : chapter2.fm 6 Fri Feb 12 15:32:45 1999 Power Meter Operation Battery Operation (Option 001) Figure 2-2: Battery Removal/Replacement 2 1. 2. 3. 4. 5. Using a flat headed screwdriver, turn the two spring-loaded catches one quarter turn anticlockwise. Holding the catches, pull the battery assembly clear of its slot in the power meter. Support the closure assembly on a flat surface. Pinch the release tab between finger and thumb while lightly pressing down on the battery module.
HP4402.book : chapter2.fm 7 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter Zeroing and Calibrating the Power Meter This section describes how to zero and calibrate the power meter. You should always zero the power meter prior to calibrating it. Zeroing the Power Meter Zeroing adjusts the power meter for a zero power reading with no power applied to the power sensor. During zeroing, which takes approximately 10 seconds, the wait symbol is displayed.
HP4402.book : chapter2.fm 8 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter If you calibrate the sensor before zeroing it, the message changes to “Please Zero ChA” or “Please Zero ChB” depending on which channel the sensor is connected to. The Zero/Cal Lockout facility can be enabled/disabled through either the System Inputs menu or the Zero Cal menu as follows: Press System Inputs Press Zero Cal , , More More , More , Must Cal Off or On .
HP4402.book : chapter2.fm 9 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter Note The following procedure details the calibration for channel A. To calibrate channel B use the same procedure using the equivalent channel B softkeys. 1. Press Zero Cal . 2. Connect the power sensor to the POWER REF output. 3. Press Cal , Cal A to calibrate the power meter. During calibration the wait symbol is displayed. (The power meter automatically turns on the POWER REF output.
HP4402.book : chapter2.fm 10 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter There are a variety of methods to connect the power sensors to the power meter depending on the model of power sensor you are using. Refer to Table 2-1 on page 2-11 for details on connecting different power sensor models. Note The following procedure details the calibration for channel A. To calibrate channel B use the same procedure using the equivalent channel B softkeys.
HP4402.book : chapter2.fm 11 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter • • • Remove the channel A power sensor from the POWER REF output. Connect the channel B power sensor to the POWER REF output. Press Cal B .
HP4402.book : chapter2.fm 12 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter Table 2-1: Connecting the HP 8480 Series Power Sensors During Calibration Sensor Model Connection Requirements HP 8481A HP 8481H HP 8482A HP 8482H These power sensors connect directly to the reference calibrator. HP 8481D HP 8484A Prior to the power meter being calibrated an HP 11708A 30 dB reference attenuator should be connected between the power sensor and the reference calibrator.
HP4402.book : chapter2.fm 13 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter Zeroing and Calibrating Using TTL Inputs You can use the TTL inputs on the rear panel Rmt I/O port to initiate zero and calibration cycles on the power meter. The connector is an RJ-45 series shielded modular jack with the TTL input pins connected as shown in Figure 2-3.
HP4402.book : chapter2.fm 14 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter Effective control of the zero and calibration cycles using the TTL inputs depends on correct timing of the input signals as shown in Table 2-3 and Table 2-4. Table 2-3: TTL Input Timing Diagram 1 Timing of zero/cal inputs for conditions “01” and “10”.
HP4402.book : chapter2.fm 15 Fri Feb 12 15:32:45 1999 Power Meter Operation Zeroing and Calibrating the Power Meter Table 2-4: TTL Inputs Timing Diagram 2 Timing of zero/cal inputs for condition “00”. Inputs Operation T5 T6 T7 T8 Time Description Value T5 Maximum time between inputs going low. 100 ms T6 Minimum overlap of low inputs. 200 ms T7 Time between input detection and start of zero/cal cycle.
HP4402.book : chapter2.fm 16 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements with the HP E-Series Power Sensors Making Measurements with the HP E-Series Power Sensors This section describes how to make continuous wave measurements using the HP E-series power sensors. The HP E-series power sensors have their sensor calibration tables stored in EEPROM. This allows the frequency and calibration data to be downloaded to the power meter automatically.
HP4402.book : chapter2.fm 17 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements with the HP E-Series Power Sensors measurement of both channels, or a difference measurement between both channels. Use the following key presses: Meas Press Setup , Input Select . Select the appropriate softkey for the measurement you require, either A , B , A/B , B/A , or More , then A-B , or B-A . 11. The measurement result is now displayed.
HP4402.book : chapter2.fm 18 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements with the HP 8480 Series Power Sensors Making Measurements with the HP 8480 Series Power Sensors This section applies to all HP 8480 series power sensors. It does not apply to the HP E-series power sensors.
HP4402.book : chapter2.fm 19 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements with the HP 8480 Series Power Sensors 6. The current setting of the reference calibration factor is displayed under the A Ref CF softkey. To change this setting press A Ref CF . The power meter displays the reference calibration factor in a pop up window. Modify this reference calibration factor (see below) as desired. ■ Use or to modify the digit on which the cursor is currently positioned.
HP4402.book : chapter2.fm 20 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements with the HP 8480 Series Power Sensors • • • • • • 2-20 Press A Ref CF . Use the , , and hardkeys to enter 99.8. Press % . Connect the power sensor to the POWER REF output. Press Cal A . Press Frequency , A Cal Fac . Use the , , and Cal Fac hardkeys to enter 97.8. Press % . Connect the power sensor to the signal to be measured. The measurement result is now displayed.
HP4402.book : chapter2.fm 21 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables Making Measurements using Sensor Calibration Tables This section applies to all HP 8480 series power sensors. It does not apply to the HP E-series power sensors.
HP4402.book : chapter2.fm 22 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables tables are currently selected. The “Sensor Tbls” screen is displayed as shown in Figure 2-4. Figure 2-4: “Sensor Tbls” Screen Making the Measurement To make the power measurement, you zero and calibrate the power meter, then set it for the frequency of the signal you want to measure. The power meter automatically selects the calibration factor from the sensor calibration table.
HP4402.book : chapter2.fm 23 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables 6. Press Frequency . The current setting of the frequency is displayed Cal Fac under the A Freq softkey. 7. To change this setting press A Freq . The power meter displays the frequency in a pop up window. Modify this frequency (see below) as desired. ■ Use or to modify the digit on which the cursor is currently positioned. ■ Use or to move to other digits. 8.
HP4402.book : chapter2.fm 24 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables Figure 2-5: “Edit Cal” Screen The power meter is shipped with a set of predefined sensor calibration tables. The data in these tables is based on statistical averages for a range of Hewlett-Packard power sensors. These power sensors are: • • • • • • • • • • DEFAULT1 HP 8481A HP 8482A2 HP 8483A HP 8481D HP 8485A R8486A Q8486A R8486D HP 8487A 1.
HP4402.book : chapter2.fm 25 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables There are also ten sensor calibration tables named CUSTOM_0 through CUSTOM_9 which do not contain any data when the power meter is shipped from the factory. You cannot delete any of the 20 sensor calibration tables. Each sensor calibration table can contain a maximum of 80 frequency points each. If you want a new sensor calibration table you must edit an existing one.
HP4402.book : chapter2.fm 26 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables Note You can only edit the table name you cannot delete it. 6. When you have completed editing the sensor calibration table press Done to return to the “Sensor Tbles” screen. Note Ensure that the frequency points you use cover the frequency range of the signals you want to measure.
HP4402.book : chapter2.fm 27 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables The following lists detail the contents of the predefined sensor calibration tables. DEFAULT RCF 100 0.1 MHz 100 110 GHz 100 HP 8481A RCF 100 50 MHz 100 100 MHz 99.8 2 GHz 99 3 GHz 98.6 4 GHz 98 5 GHz 97.7 6 GHz 97.4 7 GHz 97.1 8 GHz 96.6 9 GHz 96.2 10 GHz 95.4 11 GHz 94.9 12.4 GHz 94.3 13 GHz 94.3 14 GHz 93.2 15 GHz 93 16 GHz 93 17 GHz 92.7 18 GHz 91.
HP4402.book : chapter2.fm 28 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables HP 8481D RCF 99 50 MHz 99 500 MHz 99.5 1 GHz 99.4 2 GHz 99.5 3 GHz 98.6 4 GHz 98.6 5 GHz 98.5 6 GHz 98.5 7 GHz 98.6 8 GHz 98.7 9 GHz 99.5 10 GHz 98.6 11 GHz 98.7 12 GHz 99 12.4 GHz 99.1 13 GHz 98.9 14 GHz 99.4 15 GHz 98.9 16 GHz 99.1 17 GHz 98.4 18 GHz 100.1 R8486A RCF 100 50 MHz 100 26.5 GHz 94.9 27 GHz 94.9 28 GHz 95.4 29 GHz 94.3 30 GHz 94.1 31 GHz 93.5 32 GHz 93.7 33 GHz 93.
HP4402.book : chapter2.fm 29 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Sensor Calibration Tables HP 8487A RCF 100 50 MHz 100 100 MHz 99.9 500 MHz 98.6 1 GHz 99.8 2 GHz 99.5 3 GHz 98.9 4 GHz 98.8 5 GHz 98.6 6 GHz 98.5 7 GHz 98.4 8 GHz 98.3 9 GHz 98.3 10 GHz 98.3 11 GHz 98.1 12 GHz 97.9 13 GHz 98 14 GHz 98.2 15 GHz 97.7 16 GHz 96.8 17 GHz 97 18 GHz 96.3 19 GHz 95.9 20 GHz 95.2 21 GHz 95.6 22 GHz 95.5 23 GHz 95.4 24 GHz 95 25 GHz 95.4 26 GHz 95.2 27 GHz 95.
HP4402.book : chapter2.fm 30 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Frequency Dependent Offset Tables Making Measurements using Frequency Dependent Offset Tables This section describes how to use frequency dependent offset tables. Frequency dependent offset tables provide you with a quick and convenient method of compensating for your external test setup over a range of frequencies.
HP4402.book : chapter2.fm 31 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Frequency Dependent Offset Tables Figure 2-6: “Offset Tbls” Screen Making the Measurement To make the power measurement, you zero and calibrate the power meter, then set it for the frequency of the signal you want to measure. The power meter automatically selects the calibration factor from the sensor calibration table (if selected) and the offset from the frequency dependent offset table.
HP4402.book : chapter2.fm 32 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Frequency Dependent Offset Tables 6. Press Frequency . The current setting of the frequency is displayed Cal Fac under the A Freq softkey. 7. To change this setting press A Freq . The power meter displays the frequency in a pop up window. Modify this frequency (see below) as desired. ■ Use or to modify the digit on which the cursor is currently positioned. ■ Use or to move to other digits. 8.
HP4402.book : chapter2.fm 33 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Frequency Dependent Offset Tables To view the frequency dependent offset tables currently stored in the power meter, press System , Tables , Freq Dep Offset . The “Offset Inputs Tbls” screen is displayed as shown in Figure 2-6.
HP4402.book : chapter2.fm 34 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Measurements using Frequency Dependent Offset Tables All characters must be upper or lower case alphabetic characters, or numeric (0-9), or an underscore (_). ■ No other characters are allowed. ■ No spaces are allowed in the name. To edit the parameter you currently have selected press Change . The power meter displays the data in a pop up window. Modify this data (see below) as desired.
HP4402.book : chapter2.fm 35 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting the Units of Measurement Setting the Units of Measurement The “dBm/W” menu is used to select the measurement units on the currently selected window. These can either be logarithmic (dBm or dB) or linear (Watt or %) units. Preset sets the measurement units to dBm Local (logarithmic units). Table 2-5 shows which units are applicable to the individual measurement modes.
HP4402.book : chapter2.fm 36 Fri Feb 12 15:32:45 1999 Power Meter Operation Selecting Units of Measurement from the Softkeys Selecting Units of Measurement from the Softkeys In various softkey menu structures you are required to enter the units of measurement for power.
HP4402.book : chapter2.fm 37 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Relative Measurements Making Relative Measurements Relative mode allows you to compare any measurement result to a reference value. The relative reading can be displayed in either dB or % by pressing dBm/W and selecting either dB or % . When the measurement result is displayed in % a prefix multiplier may be shown. Relative mode is window dependent and when enabled displays “Rel” in the window to which it’s applied.
HP4402.book : chapter2.fm 38 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting the Resolution Setting the Resolution The resolution of each of the power meter’s windows can be set to four different levels (1, 2, 3 or 4). These four levels represent: • • 1, 0.1, 0.01, 0.001 dB respectively if the measurement suffix is dBm or dB. 1, 2, 3 or 4 significant digits respectively if the measurement suffix is W or %. The default value is 0.01 dB (3 digits).
HP4402.book : chapter2.fm 39 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Offsets Setting Offsets Setting Channel Offsets The power meter can be configured to compensate for a signal loss or gain in your test setup (for example, to compensate for the loss of a 10 dB attenuator). This gain or loss, referred to as a channel offset, is added to the measured power before the result is displayed. Offsets are entered in dB. The allowable range of values is -100 dB to +100 dB.
HP4402.book : chapter2.fm 40 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Offsets 2. The power meter displays the offset value in a pop up window. Modify this offset (see below) as desired. ■ Use or to modify the digit on which the cursor is currently positioned. ■ Use or to move to other digits. 3. To confirm your choice press dB . 4. Offset Off On is automatically set to “On” when a value is entered using Offset .
HP4402.book : chapter2.fm 41 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Averaging Setting Averaging The power meter uses a digital filter to average power readings. The number of readings averaged can range from 1 to 1024. This filter is used to reduce noise, obtain the desired resolution and to reduce the jitter in the measurement results. Increasing the value of the filter length reduces measurement noise. However, the time to take the measurement is increased.
HP4402.book : chapter2.fm 42 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Averaging Figure 2-10: Averaged Readings 1 Resolution Setting 2 3 4 10 dB 1 8 128 128 10 dB 1 1 16 256 10 dB 1 1 2 32 10 dB 1 1 1 16 1 1 1 8 Number of Averages Power Sensor Dynamic Range Minimum Sensor Power Maximum Sensor Power These four resolution levels represent: • • Note 1, 0.1, 0.01, 0.001 dB respectively if the measurement suffix is dBm or dB.
HP4402.book : chapter2.fm 43 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Averaging Step Detection To reduce the filter settling time after a significant step in the measured power the filter can be set to re-initialise upon detection of a step increase/decrease in the measured power. Step detection can be set in both manual and automatic filter modes. To set step detection for channel A: 1. Press System , A Input Settings , More . Inputs 2.
HP4402.book : chapter2.fm 44 Fri Feb 12 15:32:45 1999 Power Meter Operation Measuring Pulsed Signals Measuring Pulsed Signals The power meter can be used to measure the power of a pulsed signal. The measurement result is a mathematical representation of the pulse power rather than an actual measurement (assumes constant peak power). The power meter measures the average power of the pulsed input signal and then divides the measurement result by the duty cycle value to obtain the pulse power reading.
HP4402.book : chapter2.fm 45 Fri Feb 12 15:32:45 1999 Power Meter Operation Measuring Pulsed Signals To set the duty cycle: 1. Press System , A Input Settings, More . The current setting Inputs of the duty cycle is displayed under the Duty Cycle softkey. 2. To change this setting press Duty Cycle . The power meter displays the duty cycle in a pop up window. Modify this value (see below) until the desired duty cycle is displayed. ■ Use or to modify the digit on which the cursor is currently positioned.
HP4402.book : chapter2.fm 46 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Measurement Limits Setting Measurement Limits You can configure the power meter to detect when a measurement is outwith a predefined upper and/or lower limit value. There are two types of measurement limits you can set: • • Note Channel Limits - are applied to the specified input channel and are for power measurements only.
HP4402.book : chapter2.fm 47 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Measurement Limits Figure 2-12: Limits Checking Application Power Meter Swept Source Device Under Test OUT IN OUT CHANNEL A INPUT Figure 2-13: Limits Checking Results Amplitude Fail o +10 dBm o o o o o +4 dBm o Fail Frequency In this application a swept frequency signal is applied to the input of the Device Under Test. The power meter measures the output power. The limits have been set at +4 dBm and +10 dBm.
HP4402.book : chapter2.fm 48 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Measurement Limits default values depends on the measurement units in the currently selected window - see Table 2-6. Table 2-6: Range of Values for Window Limits Window Units Max Min Default Max Min dB +200 dB -180 dB 60 dB -120 dB dBm +230 dBm -150 dBm 90 dBm -90 dBm % 999.9 X% 100.0 a% 100.0 M% 100.0 p% W 100.000 XW 1.000 aW 1.000 MW 1.
HP4402.book : chapter2.fm 49 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Measurement Limits Figure 2-14: Remote I/O TTL Outputs Pin Number 12345678 Connection 1 none 2 Ground 3 Upper Window TTL Output 4 Lower Window TTL Output 5 TTL Input 1 6 TTL Input 2 7 Ground 8 Ground To set the limits: Meas 1. Press Setup , Limits . The current setting of the maximum and minimum limits are displayed under the Max and Min softkeys respectively. 2.
HP4402.book : chapter2.fm 50 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Measurement Limits To set the TTL Output: Meas 1. Press Setup , Limits , TTL Output . The current settings for the TTL Output are displayed under the TTL Output , Limits and Fail O/P softkeys. 2. To select whether the TTL output reflects an overlimit condition, under limit condition or both, press Limits . Use any of the four arrow keys to make a selection between OVER , UNDER , and EITHER on the pop up menu that appears.
HP4402.book : chapter2.fm 51 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting Measurement Limits Figure 2-15: Pass/Fail Limit Indicators This measurement has passed which is indicated by the limit field being empty. This measurement has failed as the result is less than the minimum limit level set of -60 dBm. This is indicated with the text “Undr Lmt”. This measurement has failed as the result is more than the maximum limit level set of -65 dBm. This is indicated with the text “Over Lmt”.
HP4402.book : chapter2.fm 52 Fri Feb 12 15:32:45 1999 Power Meter Operation Channel Measurements Channel Measurements Single channel measurements can be made on the currently selected Meas window by pressing Setup , Input Select and selecting A or B . Absolute power is displayed for the selected channel in either dBm or Watts. The filter, range (where applicable), offset, duty cycle, calibration factor and limits can be set for the selected channel.
HP4402.book : chapter2.fm 53 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Difference Measurements Making Difference Measurements Dual channel difference measurements can be made on the currently Meas selected window by pressing Setup , Input Select , More and selecting A-B or B-A . The power meter always carries out “Maths” calculations in Watts. The power meter displays the numerical difference of the power values of both channels in dBm or Watts.
HP4402.book : chapter2.fm 54 Fri Feb 12 15:32:45 1999 Power Meter Operation Making Ratio Measurements Making Ratio Measurements Dual channel ratio measurements can be made on the currently selected Meas window by pressing Setup , Input Select and selecting A/B or B/A . The power meter always carries out “Maths” calculations in Watts. The power meter displays the ratio of the channels power values in either dB or %. When the measurement result is displayed in % a prefix multiplier may be shown.
HP4402.book : chapter2.fm 55 Fri Feb 12 15:32:45 1999 Power Meter Operation Selecting a Digital or Analog Display Selecting a Digital or Analog Display The measurement windows can display the result in either a digital or analog format or both as shown in the following figures.
HP4402.book : chapter2.fm 56 Fri Feb 12 15:32:45 1999 Power Meter Operation Selecting a Digital or Analog Display To select the format of the display in the currently selected window: Meas 1. Press Setup , Display Format . 2. Press Meter Dgtl Anlg to highlight the type of format you require. Pressing this key toggles between a digital and analog display. To select the range of the analog display in the currently selected window: Meas 1. Press Setup , Display Format , Anlg Mtr Scaling . 2.
HP4402.book : chapter2.fm 57 Fri Feb 12 15:32:45 1999 Power Meter Operation Selecting a Digital or Analog Display shown in front of % or W . Pressing % or W after the correct multiplier has been selected confirms the entry. To select both an analog and digital display press until two windows are displayed. Select the format of one window to analog and the other to digital as previously described.
HP4402.book : chapter2.fm 58 Fri Feb 12 15:32:45 1999 Power Meter Operation Setting the Range Setting the Range The power meter has no internal ranges which can be set. The only ranges that can be set are those of the HP E-series power sensors. With an HP E-series power sensor the range can be set either automatically or manually. Use autoranging when you are not sure of the power level you will be measuring. There are two manual settings either “LOWER” or “UPPER”.
HP4402.book : chapter2.fm 59 Fri Feb 12 15:32:45 1999 Power Meter Operation Configuring the Remote Interface Configuring the Remote Interface This section explains how to configure the power meter for remote control using either the HP-IB parallel interface or the RS232/422 serial interface. For further information on using the power meter remotely, refer to the HP E4418B/E4419B Programming Guide.
HP4402.book : chapter2.fm 60 Fri Feb 12 15:32:45 1999 Power Meter Operation Configuring the Remote Interface RS232/RS422 With RS232 selected as the serial interface the power meter communicates through the serial port with single ended drivers and receivers. With RS422 selsected, the serial port uses balanced drivers and receivers. The power meter acts as a DTE device. To select RS232 or RS422 as the remote interface press System , Inputs Remote Interface , Select Interface , RS232 or RS422 .
HP4402.book : chapter2.fm 61 Fri Feb 12 15:32:45 1999 Power Meter Operation Configuring the Remote Interface Setting the RS232/422 Parameters This section explains how to set the baud rate, word size, parity, number of stop bits, pacing and echo for the serial interface. To set the serial interface parameters: 1. Press System , Remote Interface , Configure Interface , Inputs Serial . The current settings for Baud rate , Word size , Stop bits and Parity are shown under the softkeys. 2.
HP4402.book : chapter2.fm 62 Fri Feb 12 15:32:45 1999 Power Meter Operation Configuring the Remote Interface 11. Press RTS/CTS and use any of the arrow hardkeys to select one of the following from the pop up menu: OFF - Sets the RTS signal line permanently low. ON - Sets the RTS signal line permanently high. IBFull - Sets the RTS signal line high while the receiver buffer can accept more data and sets RTS low when the data buffer is full. The transmitter is inhibited when CTS is low. 12.
HP4402.book : chapter2.fm 63 Fri Feb 12 15:32:45 1999 Power Meter Operation Configuring the Remote Interface Figure 2-20: Interface Overview Examples Pressing the Done softkey returns the power meter display to the previous screen.
HP4402.book : chapter2.fm 64 Fri Feb 12 15:32:45 1999 Power Meter Operation Configuring the Remote Interface Programming Language Selection You can select one of two languages to program the power meter from the remote interface. The language is SCPI when the power meter is shipped from the factory. The other language is the HP 438A programming language. The power meter complies with the rules and regulations of the 1995.0 version of SCPI (Standard Commands for Programmable Instruments).
HP4402.book : chapter2.fm 65 Fri Feb 12 15:32:45 1999 Power Meter Operation Recorder Outputs Recorder Outputs The rear panel Recorder Output connectors (A and B) produce a dc voltage that corresponds to the power level in Watts of the channel, depending on the measurement mode. This dc voltage ranges from 0 to +1 Vdc. The output impedance is typically 1 kΩ . Channel and display offsets, and duty cycle have no effect on the Recorder Outputs.
HP4402.book : chapter2.fm 66 Fri Feb 12 15:32:45 1999 Power Meter Operation Recorder Outputs Leveling a Source Output The Recorder output can be used to level an output from a source using external leveling. The following procedure explains how to do this: 1. Select the Recorder Output A or B, depending on which channel the source is connected to, by pressing System , More , Inputs Recorder Output , Channel A or Channel B . 2.
HP4402.book : chapter2.fm 67 Fri Feb 12 15:32:45 1999 Power Meter Operation Saving and Recalling Power Meter Configurations Saving and Recalling Power Meter Configurations To reduce repeated setup sequences, up to ten power meter configurations can be stored in the power meter’s non-volatile memory. The HP-IB address, the data stored in the sensor calibration tables and the zeroing and calibration data are not stored by a preset. The calibration table selected is not affected.
HP4402.book : chapter2.
HP4402.book : chapter2.fm 69 Fri Feb 12 15:32:45 1999 Power Meter Operation How Measurements are Calculated How Measurements are Calculated Figure 2-22 details how measurements are calculated. It shows the position in which the various power meter functions are implemented in the measurement calculation.
HP4402.book : chapter2.fm 70 Fri Feb 12 15:32:45 1999 Power Meter Operation Presetting the Power Meter Presetting the Power Meter This section details the power meter’s preset conditions. The HP-IB address, the data stored in the sensor calibration tables and the zeroing and calibration data are not affected by a preset. The calibration table selected is not affected. Preset Conditions The number of windows displayed is two. dBm/W Measurement units used is set to dBm.
HP4402.book : chapter2.fm 71 Fri Feb 12 15:32:45 1999 Power Meter Operation Presetting the Power Meter • Offset is set to 0.000 dB. System Inputs • • • • • • • • • • • • • • • • • • • • • • • • • • Command Set is not affected. Select Interface is not affected. HP-IB Addr is not affected. Baud Rate is not affected. Word size is not affected. Stop bits is not affecetd. Parity is not affected. Pacing is not affected. Echo is not affected. A Table Off/On is not affected. B Table Off/On is not affected.
HP4402.book : chapter2.fm 72 Fri Feb 12 15:32:45 1999 Power Meter Operation Presetting the Power Meter • 2-72 TTL Inputs Off/On is set to “Off”.
HP4402.book : chapter2.fm 73 Fri Feb 12 15:32:45 1999 Power Meter Operation Self Test Self Test The power meter has three distinct self test modes: • • • power on self test, which occurs automatically when you turn on the power meter. confidence check, which is accessed via the front panel and requires your assistance in order to verify the POWER REF and measurement path accuracy. troubleshooting mode, which is accessed via the front panel or remotely.
HP4402.book : chapter2.
HP4402.book : chapter2.fm 75 Fri Feb 12 15:32:45 1999 Power Meter Operation Self Test When the individual test is complete, the result is displayed until Done is selected. If the self test failed, information about the failure is displayed on the screen. Instrument Self Test If Instrument Self Test is selected, the following tests are run, these are the same tests which are run using the *TST? command.
HP4402.book : chapter2.fm 76 Fri Feb 12 15:32:45 1999 Power Meter Operation Self Test Remote Testing To invoke the remote self test, the IEEE 488.1 compliant standard command, *TST? is used.
HP4402.book : chapter2.fm 77 Fri Feb 12 15:32:45 1999 Power Meter Operation Self Test Test Descriptions This section specifies what is actually checked by each of the tests. Some of the tests may only be applicable to one method of invocation (for example, from the front panel). If this is the case, it is specified in the test description. Most of the tests have an associated error message which is added to the error queue if the test fails. The exception to this is the bitmap display test.
HP4402.book : chapter2.fm 78 Fri Feb 12 15:32:45 1999 Power Meter Operation Self Test • • • UART Configuration - confirms that the baud rate, stop bits and parity settings are correctly configured on the UART. Local Loop Back - Tx and Rx on the UART are internally connected and a test message is sent to confirm correct operation. RS232/RS422 Loop Back - A message is sent via the UART and transceivers using an external loop back connector (refer to the E4418B/E4419B Service Guide).
HP4402.book : chapter2.fm 79 Fri Feb 12 15:32:45 1999 Power Meter Operation Self Test Bitmap Display (Front Panel only) A series of bitmaps are displayed on the power meter showing: two checkboards, vertical lines, horizontal lines, oblique lines, all pixels on and all pixels off. Pressing More cycles you through these bitmaps. The Prev key stops the display and returns you to the previous menu.
HP4402.book : chapter2.fm 80 Fri Feb 12 15:32:45 1999 Power Meter Operation Operator Maintenance Operator Maintenance This section describes how to replace the power line fuse and clean the power meter. If you need additional information about replacing parts or repairing the power meter, refer to the HP E4418B/E4419B Service Guide. To clean the power meter, disconnect it’s supply power and wipe with a damp cloth only.
HP4402.book : chapter2.fm 81 Fri Feb 12 15:32:45 1999 Power Meter Operation Contacting Hewlett-Packard Contacting Hewlett-Packard This section details what to do if you have a problem with your power meter. If you have a problem with your power meter, first refer to the section “Before calling Hewlett-Packard”, on page 2-74. This chapter contains a checklist that will help identify some of the most common problems.
HP4402.book : chapter2.fm 82 Fri Feb 12 15:32:45 1999 Power Meter Operation Contacting Hewlett-Packard Check the Basics Problems can be solved by repeating what was being performed when the problem occurred. A few minutes spent in performing these simple checks may eliminate time spent waiting for instrument repair. Before calling Hewlett-Packard or returning the power meter for service, please make the following checks: • • • • • • • • • • Check that the line socket has power.
HP4402.book : chapter2.fm 83 Fri Feb 12 15:32:45 1999 Power Meter Operation Contacting Hewlett-Packard Whenever you contact Hewlett-Packard about your power meter have a complete serial number available. This will ensure that you obtain the most complete and accurate service information. The serial number can be obtained by: • • • interrogating the power meter over the HP-IB using the *IDN? command. from the front panel by selecting System , More , Service , Inputs Version .
HP4402.book : chapter2.fm 84 Fri Feb 12 15:32:45 1999 Power Meter Operation Contacting Hewlett-Packard Sales and Service Offices If you need technical assistance with a Hewlett-Packard test and measurement product or application please contact the Hewlett-Packard office or distributor in your country. Asia Pacific: Hong Kong: (852) 2599 7889 India: (91-11) 647 2311 Japan: Hewlett-Packard Japan Ltd.
HP4402.book : chapter2.fm 85 Fri Feb 12 15:32:45 1999 Power Meter Operation Contacting Hewlett-Packard Australia/New Zealand: Hewlett-Packard Australia Ltd. 31-41 Joseph Street Blackburn, Victoria 3130 Australia 1 800 629 485 Canada: Hewlett-Packard Canada Ltd.
HP4402.book : chapter2.
HP4402.book : chapter2.fm 87 Fri Feb 12 15:32:45 1999 Power Meter Operation Contacting Hewlett-Packard Returning Your Power Meter for Service Use the information in this section if you need to return your power meter to Hewlett-Packard. Package the Power Meter For Shipment Use the following steps to package the power meter for shipment to Hewlett-Packard for service: 1. Fill in a blue service tag (available at the end of this guide) and attach it to the power meter.
HP4402.book : chapter2.
HP4402.book : chapter3.
HP4402.book : chapter3.fm 2 Fri Feb 12 15:32:45 1999 Menu Reference Introduction Introduction This chapter is a reference to the softkey menu structure of the power meter. “The Front Panel Menu Maps” starting on page 3-3 details the menus diagrammatically. “Front Panel Menu Reference” starting on page 3-12 details the menus descriptively.
HP4402.book : chapter3.fm 3 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps The Front Panel Menu Maps The following diagrams detail the structure of the softkey menus which are accessed through the following seven hardkeys: Note • dBm/W • Frequency Cal Fac • Meas Setup • Rel Offset • Save Recall • System Inputs • Zero Cal On your power meter some softkey labels have numeric values displayed under them. These values show the current setting of that softkey.
HP4402.book : chapter3.fm 4 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps Frequency/Cal Fac Menu A Freq 50 .00MHz Frequency Cal Fac A Cal Fac 100.0% B Freq 50 .00MHz B Cal Fac 100.0% Depending on the power meter’s setup you will be unable to select certain softkeys. The text on these softkey labels appears grayed out. Refer to the appropriate softkey descriptions for further information.
HP4402.book : chapter3.fm 5 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps Meas Setup Menu A B Input Select Meas Setup A/B Display Format B/A Resolution 1234 A-B Limits B-A More Meter Dgtl Anlg Anlg Mtr Scaling Max 20.000 dBm Min -70.000 dBm Off On Max 90.000 dBm Min -90.
HP4402.book : chapter3.fm 6 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps Rel/Offset Menu Rel Off On Rel Offset Rel Offset Off On Offset 0.000dB Save/Recall Menu Save Enter Save Recall Recall Edit Name Done Insert Char Delete Char Cancel Depending on the power meter’s setup you will be unable to select certain softkeys. The text on these softkey labels appears grayed out. Refer to the appropriate softkey descriptions for further information.
HP4402.book : chapter3.fm 7 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps System Inputs Menu (1 of 4) Change See page 3-9 Remote Interface System Inputs Sensor Cal Tables Edit Table Freq Dep Offset A Table Off On A Linearity ATyp DTyp B Table Off On B Linearity ATyp DTyp Insert Delete Done Done Offset Off On Tables Offset 0.000 dB A Input Settings Range | AUTO B Input Setting Limits More Duty Cycle Off On Duty Cycle 1.
HP4402.book : chapter3.fm 8 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps System Inputs Menu (2 of 4) Clear Errors Next Power Ref Off On System Inputs Done Output Off On Recorder Output Channel A Max Power 100.0mW Service Channel B Min Power 0.
HP4402.book : chapter3.
HP4402.book : chapter3.
HP4402.book : chapter3.fm 11 Fri Feb 12 15:32:45 1999 Menu Reference The Front Panel Menu Maps Zero/Cal Menu Zero A Zero B Zero Cal Cal A Zero Both A Ref CF 100.0% Cal Cal B Must Cal Off On More B Ref CF 100.0% TTL Inputs Off On Power Ref Off On More Note Depending on the power meter’s setup you will be unable to select certain softkeys. The text on these softkey labels appears grayed out. Refer to the appropriate softkey descriptions for further information.
HP4402.book : chapter3.fm 12 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "dBm/W" Menu Front Panel Menu Reference This section describes all the hardkeys and softkeys on your power meter. The hardkey descriptions are in alphabetical order. The softkey descriptions are in the order they appear in the menus. Diagrammatical hardkeys are described at the end of this section.
HP4402.book : chapter3.fm 13 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Frequency/Cal Fac" Menu Frequency Cal Fac The softkey menu structured to this hardkey affects the channel setup. Press this hardkey to access the “Frequency/Cal Fac” menu which allows you to enter the frequency of the signal to be measured or the calibration factor.
HP4402.book : chapter3.fm 14 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Frequency/Cal Fac" Menu • A Cal Fac • Press this softkey to enter the measurement calibration factor for channel A in the range of 1% to 150%. The default value is 100%. Use the , , and hardkeys to change the calibration factor. To confirm your choice press % . Entering a calibration factor using this softkey is only possible when you are using an HP 8480 series power sensor.
HP4402.book : chapter3.fm 15 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Meas/Setup" Menu Meas Setup The softkey menu structured to this hardkey affects the currently selected window. Press to select the upper or lower measurement window on the power meter’s display. The window which is selected is highlighted by a shadowed box, and the set up you create is implemented in this window. Press this hardkey to access the “Meas Setup” menu.
HP4402.book : chapter3.fm 16 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Meas/Setup" Menu • Display Format Press this softkey to access a menu which allows you to select digital or analog displays, set the resolution and set the limits for the analog display. Meter Dgtl Anlg ■ Press this softkey to toggle between an analog and digital display. Refer to “Selecting a Digital or Analog Display”, on page 2-55 for further information.
HP4402.book : chapter3.fm 17 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Meas/Setup" Menu ■ Max ■ Press this softkey to enter the upper measurement limit. The measurement units of the limits will be the same as the measurement units in the currently selected window. On instrument preset, the default value is either 90.000 dBm, 1 mW, 60 db, or 100 M% depending on the windows unit. Use the , , and hardkeys to change the value.
HP4402.book : chapter3.fm 18 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "More", "Preset/Local", "Prev" Keys More Press this hardkey to move through all the softkeys available on a particular level of a menu. The bottom right of the power meter display indicates the number of pages in the menu. For example, if “1 of 2” is displayed, pressing More moves you to “2 of 2”. Pressing More again moves you back to “1 of 2”.
HP4402.book : chapter3.fm 19 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Rel/Offset" Menu Rel Offset The softkey menu structured to this hardkey affects the currently selected window. Press this hardkey to access the “Rel/Offset” menu which allows you to; compare any measurement result in dB or percentage (%) to a reference value and set display offsets. • Rel Off On • Press this softkey to toggle the reference value on or off. The default is “Off”.
HP4402.book : chapter3.fm 20 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Save/Recall" Menu Save Recall The softkey menu structured to this hardkey affects the system setup. Press this hardkey to access the “Save/Recall” menu and screen which allows you to save and recall setups which you use frequently. • Save • Press this softkey to save the current setup of the power meter to the highlighted file. First, use the and hardkeys to scroll through the displayed files.
HP4402.book : chapter3.fm 21 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu System Inputs The softkey menu structured to this hardkey affects the system setup and the channel setup. Press this hardkey to access the “System/Inputs” menu. This menu allows you to set up a variety of conditions for your power meter, for example: HP-IB address, serial interface parameters, sensor calibration tables, averaging, duty cycle, range, offset, service.
HP4402.book : chapter3.fm 22 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu RS422 ◆ Press this softkey to select the serial port for remote operation using the RS422 Standard. Configure Interface ■ ◆ Press this softkey to access a menu which allows you to either configure the HP-IB interface or the serial interface (RS232/RS422). HP-IB Press this softkey to access a menu which allows you to set the HP-IB address.
HP4402.book : chapter3.fm 23 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu appears on the screen allowing you to select from ODD, EVEN, ZERO, ONE or NONE. Pacing ❖ Press this softkey to access a menu which allows you to enable/disable various hardware and software pacing options. Tx Pacing ❏ ❏ Press this softkey to toggle between enabling and disabling the Xon/Xoff transmitter software handshake.
HP4402.book : chapter3.fm 24 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu ❖ • Echo Press this softkey to toggle Echo “On” or “Off”. When Echo is enabled, received characters are transmitted back to the sender. Tables Press this softkey to access a menu which allows you to select between sensor calibration tables and frequency dependent offset tables.
HP4402.book : chapter3.fm 25 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu Freq Dep Offset ■ ◆ Press this softkey to access a menu and screen which allows you to select and edit frequency dependent offset tables. Use the and hardkeys to scroll through the displayed frequency dependent offset tables.
HP4402.book : chapter3.fm 26 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu ◆ ■ • Done Press this softkey to return to the measurement screen. The softkeys from the first level of the “System/Inputs” menu are displayed. A Linearity ATyp DTyp and B Linearity ATyp DTyp Press these softkeys to select the type of linearity correction that will be applied to the channel A and channel B sensors being used.
HP4402.book : chapter3.fm 27 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu Limits ■ ◆ Press this softkey to access a menu which allows you to enter the upper and lower measurement limits. Refer to “Setting Measurement Limits”, on page 2-46 for further information. Limits Off On ◆ Press this softkey to toggle between the test limits being on or off. The default is “Off ”.
HP4402.book : chapter3.fm 28 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu ◆ • ◆ Filter Off On Press this softkey to toggle the filter value on or off. The default is “On”. The filter value is set using Length Mode AUTO MAN ◆ Press this softkey to toggle between the automatic (AUTO) and manual (MAN) filter modes. In manual mode you enter the number of measurements to be averaged.
HP4402.book : chapter3.fm 29 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu • ■ Next ■ Press this softkey to move to the next error in the error queue. The displayed error message is individually cleared each time Next is selected. Done Press this softkey to return to the “System/Inputs” menu. Recorder Output Press this key to access a menu which allows you to select either Channel A or Channel B recorder output for setup modification.
HP4402.book : chapter3.fm 30 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu Individual ◆ Press this softkey to access a menu which allows you to select individual self tests to be run. Memory ❖ ❖ Press this softkey to perform a ROM checksum verification test, verify the memory and that the correct amount of RAM is present. Lithium Battery ❖ Press this softkey to verify that the firmware checksum is still resident in a battery-backed memory location.
HP4402.book : chapter3.fm 31 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu Serial Interface ❖ Press this softkey to access a menu which gives you a selection of serial interface tests to perform. UART Config ❏ ❏ Press this softkey to initiate a test which writes to the scratch register and reads back. The test also sets the baud rate, word length, stop bits and parity; then reads back from the UART to check that the settings are correct.
HP4402.book : chapter3.fm 32 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu Display ■ Press this softkey to access a menu which allows you to set the defaults for contrast and brightness. ◆ Press this softkey to increase the display contrast. ◆ ◆ Press this softkey to decrease the display contrast. Set Contrast ◆ Press this softkey to set the default contrast to that currently displayed. Note, this key changes the factory default setting.
HP4402.book : chapter3.fm 33 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "System/Inputs" Menu Battery ■ ◆ This softkey is only present on power meters fitted with the battery option 001. It is greyed out when the battery is not installed. Press this softkey to produce a screen which shows: - How much charge the battery is holding - The approximate running time left under battery power.
HP4402.book : chapter3.fm 34 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Zero/Cal" Menu Zero Cal The softkey menu structured to this hardkey affects the channel setup. Press this hardkey to access the “Zero/Cal” menu which allows you to zero and calibrate the power meter. Refer to “Calibrating the Power Meter”, on page 2-8 for further information. • Zero A • Press this softkey to adjust channel A for a zero power reading with no power applied to the power sensor.
HP4402.book : chapter3.fm 35 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference "Zero/Cal" Menu • ■ Cal B ■ Press this softkey to calibrate channel B with the connected power sensor. The POWER REF output is used as the signal source for calibration and is automatically switched on during this procedure. B Ref CF Press this softkey to enter a reference calibration factor for channel B. A value in the range of 1% to 150% can be entered.
HP4402.book : chapter3.fm 36 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference Diagramatical Keys Diagrammatical Hardkeys Press this hardkey to: • • assist in modifying alphanumeric data that is to be entered into the power meter. This hardkey moves the position of the cursor to the left on the currently selected parameter. select fields for editing on the “Edit Table” screen.
HP4402.book : chapter3.fm 37 Fri Feb 12 15:32:45 1999 Menu Reference Front Panel Menu Reference Diagramatical Keys Press this hardkey to: • • • • increment the alphanumeric digit on which the cursor is currently positioned. That is, digits scroll 0 through 9, and characters lowercase a through z, uppercase A through Z, then underscore. select fields for editing on the “Edit Table” screen. select a table in the “Sensor Cal Tables” screen. select a file in the “Save” and “Recall” screens.
HP4402.book : chapter3.
HP4402.book : chapter4.
HP4402.book : chapter4.fm 2 Fri Feb 12 15:32:45 1999 Error Messages Introduction Introduction This chapter contains information about the power meter’s error messages. It explains how to read the power meter’s error queue and lists all of the power meter’s error messages and their probable causes. When there is a hardware related problem, for example, a power sensor overload, the error message is displayed on the status line at the top of the display.
HP4402.book : chapter4.fm 3 Fri Feb 12 15:32:45 1999 Error Messages Introduction Errors are retrieved in a first in first out (FIFO) order. If more than 30 errors occur, the error queue overflows and the last error in the queue is replaced with error -350, “Queue Overflow”. Any time the queue overflows the most recent error is discarded. Once the errors are read they are removed from the error queue. This opens a position at the end of the queue for a new error message, if one is subsequently detected.
HP4402.book : chapter4.fm 4 Fri Feb 12 15:32:45 1999 Error Messages Error Messages Error Messages -101 Invalid character An invalid character was found in the command string. You may have inserted a character such as #, $, or % in the command header or within a parameter. For example, LIM:LOW O#. -102 Syntax error Invalid syntax was found in the command string. For example, LIM:CLE:AUTO, 1 or LIM:CLE: AUTO 1. -103 Invalid separator An invalid separator was found in the command string.
HP4402.book : chapter4.fm 5 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -113 Undefined header A command was received that is not valid for this power meter. You may have misspelled the command, it may not be a valid command or you may have the wrong interface selected. If you are using the short form of the command, remember that it may contain up to four letters. For example, TRIG:SOUR IMM.
HP4402.book : chapter4.fm 6 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -148 Character data not allowed A discrete parameter was received but a character string or a numeric parameter was expected. Check the list of parameters to verify that you have used a valid parameter type. For example, MEM:CLE CUSTOM_1. -151 Invalid string data An invalid string was received. Check to see if you have enclosed the character string in single or double quotes. For example, MEM:CLE “CUSTOM_1.
HP4402.book : chapter4.fm 7 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -214 Trigger deadlock TRIG:SOUR was set to HOLD or BUS and a READ? or MEASure? was attempted, expecting TRIG:SOUR to be set to IMMediate. -220 Parameter error;Frequency list must be in ascending order. Indicates that the frequencies entered using the MEMory:TABLe:FREQuency command are not in ascending order. -221 Settings conflict This command occurs under a variety of conflicting conditions.
HP4402.book : chapter4.fm 8 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -230 Data corrupt or stale;Please zero and calibrate Channel A When CAL[1|2]:RCAL is set to ON and the sensor currently connected to channel A has not been zeroed and calibrated, then any command which would normally return a measurement result (for example FETC?, READ?, or MEAS?) will generate this error message.
HP4402.book : chapter4.fm 9 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -231 Data questionable;CAL ERROR ChB Power meter calibration failed on channel B. The most likely cause is attempting to calibrate without applying a 1 mW power to the power sensor. -231 Data questionable;Input Overload ChA The power input to Channel A exceeds the power sensor’s maximum range. -231 Data questionable;Input Overload ChB The power input to Channel B exceeds the power sensor’s maximum range.
HP4402.book : chapter4.fm 10 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -310 System error;Ch B Dty Cyc may impair accuracy with ECP sensor This indicates that the sensor connected to channel B is for use with CW signals only. -310 System error;Detector EEPROM Read Failed - critical data not found or unreadable This indicates a failure with your HP E-series power sensor. Refer to your power sensor manual for details on returning it for repair.
HP4402.book : chapter4.fm 11 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -330 Self-test Failed; The -330, “Self-test Failed” errors indicate that you have a problem with your power meter. Refer to “Contacting Hewlett-Packard”, on page 2-81 for details of what to do with your faulty power meter. -330 Self-test Failed;Measurement Channel A Fault Refer to “Measurement Assemblies”, on page 2-77 if you require a description of the Measurement Assembly test.
HP4402.book : chapter4.fm 12 Fri Feb 12 15:32:45 1999 Error Messages Error Messages -330 Self-test Failed;Serial Interface Fault Refer to “Serial Interface”, on page 2-77 if you require a description of this test. -350 Queue overflow The error queue is full and another error has occurred which could not be recorded. -361 Parity error in program The serial port receiver has detected a parity error and consequently, data integrity cannot be guaranteed.
HP4402.book : chapt5_2.
HP4402.book : chapt5_2.fm 2 Fri Feb 12 15:32:45 1999 Specifications Introduction Introduction This chapter details the power meter’s specifications and supplemental characteristics. Specifications describe the warranted performance and apply after a 30 minute warm-up. These specifications are valid over the power meter’s operating and environmental range unless otherwise stated and after performing a zero and calibration.
HP4402.book : chapt5_2.fm 3 Fri Feb 12 15:32:45 1999 Specifications Power Meter Specifications Power Meter Specifications Meter Frequency Range 100 kHz to 110 GHz, power sensor dependent Power Range -70 dBm to +44 dBm (100 pW to 25 W), power sensor dependent Power Sensors Compatible with all HP 8480 series power sensors and HP E-series power sensors.
HP4402.book : chapt5_2.fm 4 Fri Feb 12 15:32:45 1999 Specifications Power Meter Specifications Accuracy Instrumentation Absolute: ±0.02 dB (Logarithmic) or ±0.5% (Linear). (Refer to the power sensor linearity specification in your power sensor manual to assess overall system accuracy.) Relative: ±0.04 dB (Logarithmic) or ±1.0% (Linear). (Refer to the power sensor linearity specification in your power sensor manual to assess overall system accuracy.
HP4402.book : chapt5_2.fm 5 Fri Feb 12 15:32:45 1999 Specifications Power Meter Specifications Power Reference Power Output 1.00 mW (0.0 dBm). Factory set to ±0.7% traceable to the US National Institute of Standards and Technology. Accuracy ±1.2% worst case (±0.9% rss) for one year.
HP4402.book : chapt5_2.fm 6 Fri Feb 12 15:32:45 1999 Specifications Power Meter Supplemental Characteristics Power Meter Supplemental Characteristics Power Reference Frequency 50 MHz nominal SWR 1.
HP4402.book : chapt5_2.fm 7 Fri Feb 12 15:32:45 1999 Specifications Power Meter Supplemental Characteristics Zero Drift of Sensors Power sensor dependent (refer to Table 5-3). Measurement Noise Power sensor dependent (refer to Table 5-2 and Table 5-3). Averaging effects on measurement noise. Averaging over 1 to 1024 readings is available for reducing noise. Table 5-3 provides the measurement noise for a particular power sensor with the number of averages set to 16 for normal mode and 32 for x2 mode.
HP4402.book : chapt5_2.
HP4402.book : chapt5_2.fm 9 Fri Feb 12 15:32:45 1999 Specifications Power Meter Supplemental Characteristics Settling Time 0 to 99% settled readings over the HP-IB. For HP 8480 series power sensors Manual filter, 10 dB decreasing power step: Table 5-4: Settling Time Number of Averages 1 2 4 8 16 32 64 128 256 512 1024 Settling Time (s) (Normal Mode) 0.15 0.2 0.3 0.5 1.1 1.9 3.4 6.6 13 27 57 Response Time (s) (x2 mode) 0.15 0.18 0.22 0.35 0.55 1.1 1.9 3.5 6.9 14.
HP4402.book : chapt5_2.fm 10 Fri Feb 12 15:32:45 1999 Specifications Power Meter Supplemental Characteristics For HP E-series power sensors In FAST mode, within the range -50 dBm to +17 dBm, for a 10 dB decreasing power step, the settling time is 20 ms1. 1 When a decreasing power step crosses the power sensor’s auto-range switch point, add 25 ms. Refer to the relevant power sensor manual for further information.
HP4402.book : chapt5_2.fm 11 Fri Feb 12 15:32:45 1999 Specifications Power Meter Supplemental Characteristics Auto filter, default resolution, 10 dB decreasing power step, normal and x2 speed modes: Normal Mode x2 Mode Maximum dBm Maximum dBm 70 ms 40 ms 60 dB Power Sensor Dynamic Range Typical Settling Times 60 dB Power Sensor Dynamic Range Typical Settling Times 120 ms 10 dB 70 ms 10 dB 400 ms 10 dB 210 ms 10 dB 6.5 s 10 dB 3.
HP4402.book : chapt5_2.fm 12 Fri Feb 12 15:32:45 1999 Specifications Power Meter Supplemental Characteristics Power Sensor Specifications Definitions Zero Set In any power measurement, the power meter must initially be set to zero with no power applied to the power sensor. Zero setting is accomplished within the power meter by digitally correcting for residual offsets.
HP4402.book : chapt5_2.fm 13 Fri Feb 12 15:32:45 1999 Specifications Battery Option 001 Operational Characteristics Battery Option 001 Operational Characteristics The following information describes characteristic performance based at a temperature of 25 °C unless otherwise noted. Characteristics describe product performance that is useful in the application of the product, but is not covered by the product warranty.
HP4402.book : chapt5_2.fm 14 Fri Feb 12 15:32:45 1999 Specifications General Characteristics General Characteristics Rear Panel Connectors Recorder Outputs Analog 0-1 Volt, 1 kΩ output impedance, BNC connector. Recorder outputs are dedicated to Channel A and Channel B. HP-IB Allows communication with an external HP-IB controller. RS-232/422 Allows communication with an external RS-232 or RS422 controller. Male Plug 9 position D-subminiature connector.
HP4402.book : chapt5_2.fm 15 Fri Feb 12 15:32:45 1999 Specifications Environmental Characteristics Environmental Characteristics General Conditions Complies with the requirements of the EMC Directive 89/336/EEC. This includes Generic Immunity Standard EN 50082-1: 1992 and Radiated Interference Standard EN 55011:1991/CISPR11:1990, Group 1 - Class A.
HP4402.book : chapt5_2.fm 16 Fri Feb 12 15:32:45 1999 Specifications General General Dimensions The following dimensions exclude front and rear panel protrusions: 212.6 mm W x 88.5 mm H x 348.3 mm D (8.5 in x 3.5 in x 13.7 in) Weight Net 4.1 Kg (9.0 lb) 5.1 Kg (11.2 lb) with option 001 Shipping 8.0 Kg (17.6 lb) 9.0 Kg (19.8 lb) with option 001 Safety Conforms to the following Product Specifications: • • • EN61010-1: 1993/IEC 1010-1:1990+A1/CSA C22.2 No.
HP4402.book : chapt5_2.fm 17 Fri Feb 12 15:32:45 1999 Specifications General HP-IB Compatibility SH1, AH1, T6, TE0, L4, LE0, SR1, RL1, PP1, DC1, DT1, C0 Non-Volatile Memory Battery Lithium Polycarbon Monoflouride, approximate lifetime 5 years at 25ºC.
HP4402.book : chapt5_2.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
HP4402.book : HP4402IX.
