Instruction/ maintenance manual of the product EPM-442A HP (Hewlett-Packard)
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HP4402.book : title.fm i Wed Apr 23 15:29:05 1997 HP P art no. E4419-90000 April 23, 1997 User’ s Guide HP EPM E4419A EPM-442A P ower Meter.
HP4402.book : title.fm ii Wed Apr 23 15:29:05 1997 ii HP EPM-442A User’s Guide © Copyright Hewlett-P ackard Company All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws .
HP4402.book : title.fm iii Wed Apr 23 15:29:05 1997 Legal Information HP EPM-442A User’s Guide iii Legal Inf ormation Notice Information contained in this document is subject to change without notice.
HP4402.book : title.fm iv Wed Apr 23 15:29:05 1997 Legal Information iv HP EPM-442A User’s Guide Limitation of W arranty The foregoing warranty shall not apply to defects resulting from improper or .
HP4402.book : title.fm v Wed Apr 23 15:29:05 1997 Equipment Operation HP EPM-442A User’s Guide v Equipment Operation W arnings and Cautions This guide uses warnings and cautions to denote hazards .
HP4402.book : title.fm vi Wed Apr 23 15:29:05 1997 General Safety Considerations vi HP EPM-442A User’s Guide General Safety Considerations W ARNING 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.
HP4402.book : title.fm vii Wed Apr 23 15:29:05 1997 General Safety Considerations HP EPM-442A User’s Guide vii IEC 1010-1 Compliance This instrument has been designed and tested in accordance with I.
HP4402.book : title.fm viii Wed Apr 23 15:29:05 1997 Regulatory Information viii HP EPM-442A User’s Guide Regulatory Information Sound Emission Herstellerbesc heinigung Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenlarminformationsverordnung vom 18 J anuar 1991.
HP4402.book : title.fm ix Wed Apr 23 15:29:05 1997 Declaration of Conformity HP EPM-442A User’s Guide ix Dec laration of Conf ormity DECLARA TION OF CONFORMITY according to ISO/IEC Guide 22 and EN45014 Manufacturer’ s Name: Hewlett-P ackard Limited.
HP4402.book : title.fm x Wed Apr 23 15:29:05 1997 List of Related Publications x HP EPM-442A User’s Guide List of Related Publications The HP EPM-442A User’ s Guide is also available in the follow.
HP4402.book : title.fm xi Wed Apr 23 15:29:05 1997 HP EPM-442A Options HP EPM-442A User’s Guide xi HP EPM-442A Options The HP EPM-442A power meters have the following options available: • Option 002, supplies parallel rear panel sensor input(s). The power reference oscillator output is on the front panel.
HP4402.book : title.fm xii Wed Apr 23 15:29:05 1997 About this Guide xii HP EPM-442A User’s 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 .
HP4402.book : HP4402TOC.doc 1 Wed Apr 23 15:29:05 1997 T able of Contents P age HP EPM-442A User’s Guide Contents-1 Legal Information ........................................................................ iii Equipment Operation ..................
HP4402.book : HP4402TOC.doc 2 Wed Apr 23 15:29:05 1997 Contents-2 HP EPM-442A User’s Guide Power Meter Operation ..................................................................... 2-1 Introduction .................................................
HP4402.book : HP4402TOC.doc 3 Wed Apr 23 15:29:05 1997 HP EPM-442A User’s Guide Contents-3 Self Test ......................................................................................... 2-50 Power On Self Test ..................................
HP4402.book : HP4402TOC.doc 4 Wed Apr 23 15:29:05 1997 Contents-4 HP EPM-442A User’s Guide Power Sensor Specifications .................................................. 5-12 General Characteristics ..................................................
HP4402.book : HP4402LOF.doc 5 Wed Apr 23 15:29:05 1997 List of F igures P age HP EPM-442A User’s Guide Contents-5 2-1 “Sensor Tbls” Screen .................................................................. 2-14 2-2 “Edit Cal” Screen ........
HP4402.book : HP4402LOF.doc 6 Wed Apr 23 15:29:05 1997 Contents-6 HP EPM-442A User’s Guide.
HP4402.book : HP4402LOT.doc 7 Wed Apr 23 15:29:05 1997 List of T ables P age HP EPM-442A User’s Guide Contents-7 2-1 Connecting the HP 8480 Series Power Sensors During Calibration .....................................................................
HP4402.book : HP4402LOT.doc 8 Wed Apr 23 15:29:05 1997 Contents-8 HP EPM-442A User’s Guide.
HP4402.book : chapter1.fm 1 Wed Apr 23 15:29:05 1997 1 Getting Started.
HP4402.book : chapter1.fm 2 Wed Apr 23 15:29:05 1997 Getting Star ted Introduction 1-2 HP EPM-442A User’s Guide Intr oduction 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.
HP4402.book : chapter1.fm 3 Wed Apr 23 15:29:05 1997 Getting Star ted Turning On the Power Meter HP EPM-442A User’s Guide 1-3 T urning On the P ower Meter The following steps show you how to turn on the power meter and verify that it is operating correctly .
HP4402.book : chapter1.fm 4 Wed Apr 23 15:29:05 1997 Getting Star ted The Front Panel at a Glance 1-4 HP EPM-442A User’s Guide The Fr ont P anel at a Glance 1. This hardkey allows you to preset the power meter if you are currently working in local mode (that is , front panel operation).
HP4402.book : chapter1.fm 5 Wed Apr 23 15:29:05 1997 Getting Star ted The Front Panel at a Glance HP EPM-442A User’s Guide 1-5 3. This hardkey switches the power meter between on and standby .
HP4402.book : chapter1.fm 6 Wed Apr 23 15:29:05 1997 Getting Star ted The Front Panel at a Glance 1-6 HP EPM-442A User’s Guide 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.
HP4402.book : chapter1.fm 7 Wed Apr 23 15:29:05 1997 Getting Star ted The Display Layout HP EPM-442A User’s Guide 1-7 The Displa y La y out The following figure details the display layout when two measurement windows are displayed, one analog and one digital.
HP4402.book : chapter1.fm 8 Wed Apr 23 15:29:05 1997 Getting Star ted The Display Layout 1-8 HP EPM-442A User’s Guide 5. This field displays the units of measurement, either dBm, dB , W atts or %. 6. This window is configured to show an analog meter which displays the measurement result and the meter scaling.
HP4402.book : chapter1.fm 9 Wed Apr 23 15:29:05 1997 Getting Star ted The Display Layout HP EPM-442A User’s Guide 1-9 Selecting Y our Display La yout Y our power meter display is extremely flexible. It can be used to display a variety of different measurements and windows depending on your needs.
HP4402.book : chapter1.fm 10 Wed Apr 23 15:29:05 1997 Getting Star ted The Display Layout 1-10 HP EPM-442A User’s Guide Display T utorial 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 .
HP4402.book : chapter1.fm 11 Wed Apr 23 15:29:05 1997 Getting Star ted The Display Layout HP EPM-442A User’s Guide 1-11 6. Press . The display now shows both an analog and digital window . 7. Press , , . Notice that the upper window is now set up to make a channel B over channel A ratio measurement.
HP4402.book : chapter1.fm 12 Wed Apr 23 15:29:05 1997 Getting Star ted Window Symbols 1-12 HP EPM-442A User’s Guide 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 .
HP4402.book : chapter1.fm 13 Wed Apr 23 15:29:05 1997 Getting Star ted Window Symbols HP EPM-442A User’s Guide 1-13 1 of N Entry Window This pop up window is displayed when you are required to select an entry using and from the list.
HP4402.book : chapter1.fm 14 Wed Apr 23 15:29:05 1997 Getting Star ted The Rear Panel at a Glance 1-14 HP EPM-442A User’s Guide The Rear P anel at a Glance 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 .
HP4402.book : chapter1.fm 15 Wed Apr 23 15:29:05 1997 Getting Star ted The Rear Panel at a Glance HP EPM-442A User’s Guide 1-15 8. Serial Label Each power meter has it’ s own individual identification number . Refer to “Instrument serial numbers”, on page 2-58 for further information.
HP4402.book : chapter1.fm 16 Wed Apr 23 15:29:05 1997 Getting Star ted Adjusting the Carrying Handle 1-16 HP EPM-442A User’s Guide Adjusting the Carrying Handle T o adjust the position, grasp the handle by the sides and pull outward. Rotate the handle to the desired position.
HP4402.book : chapter1.fm 17 Wed Apr 23 15:29:05 1997 Getting Star ted Rack Mounting the Power Meter HP EPM-442A User’s Guide 1-17 Rac k Mounting the P ower Meter Y ou can mount the power meter in a standard 19 inch rack cabinet using one of three optional kits .
HP4402.book : chapter1.fm 18 Wed Apr 23 15:29:05 1997 Getting Star ted Rack Mounting the Power Meter 1-18 HP EPM-442A User’s Guide T o rack mount a single instrument, order option 908, or adapter kit 5063-9239. T o rack mount two instruments side by side, order option 909, or loc k-link kit 5061-9694 and flange kit 5063-9212.
HP4402.book : chapter2.fm 1 Wed Apr 23 15:29:05 1997 2 P ower Meter Operation.
HP4402.book : chapter2.fm 2 Wed Apr 23 15:29:05 1997 P ower Meter Operation Introduction 2-2 HP EPM-442A User’s Guide Intr oduction This chapter describes the parameters which configure the power meter to make measurements and help you determine settings to optimize performance.
HP4402.book : chapter2.fm 3 Wed Apr 23 15:29:05 1997 P ower Meter Operation Zeroing the Power Meter HP EPM-442A User’s Guide 2-3 Zer oing the P ower Meter This section describes how to zero the power meter . Zeroing adjusts the power meter for a zero power reading with no power applied to the power sensor .
HP4402.book : chapter2.fm 4 Wed Apr 23 15:29:05 1997 P ower Meter Operation Calibrating the Power Meter 2-4 HP EPM-442A User’s Guide Calibrating the P ower Meter This section describes how to calibrate the power meter . Y ou should alwa ys zero the power meter prior to calibrating it.
HP4402.book : chapter2.fm 5 Wed Apr 23 15:29:05 1997 P ower Meter Operation Calibrating the Power Meter HP EPM-442A User’s Guide 2-5 Calibration Procedure Using HP E-Series P ower Sensors The following procedure describes how you calibrate the power meter with an HP E-series power sensor.
HP4402.book : chapter2.fm 6 Wed Apr 23 15:29:05 1997 P ower Meter Operation Calibrating the Power Meter 2-6 HP EPM-442A User’s Guide Note The following procedure details the calibration for channel A. T o calibrate channel B use the same procedure using the equivalent channel B softkeys.
HP4402.book : chapter2.fm 7 Wed Apr 23 15:29:05 1997 P ower Meter Operation Calibrating the Power Meter HP EPM-442A User’s Guide 2-7 T able 2-1: Connecting the HP 8480 Series P ower Sensors During Calibration Sensor Model Connection Requirements HP 8481A HP 8481H HP 8482A HP 8482H These power sensors connect directly to the reference calibrator .
HP4402.book : chapter2.fm 8 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements with the HP E-Series Power Sensors 2-8 HP EPM-442A User’s Guide Making Measurements with the HP E-Series P ower Sensors This section describes how to make continuous wa ve measurements using the HP E-series power sensors .
HP4402.book : chapter2.fm 9 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements with the HP E-Series Power Sensors HP EPM-442A User’s Guide 2-9 measurement of both channels , or a difference measurement between both channels . Use the following key presses: Press , .
HP4402.book : chapter2.fm 10 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements with the HP 8480 Series Power Sensors 2-10 HP EPM-442A User’s Guide Making Measurements with the HP 8480 Series P ower Sensor s This section applies to all HP 8480 series power sensors.
HP4402.book : chapter2.fm 11 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements with the HP 8480 Series Power Sensors HP EPM-442A User’s Guide 2-11 6. The current setting of the reference calibration factor is displayed under the softkey .
HP4402.book : chapter2.fm 12 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements with the HP 8480 Series Power Sensors 2-12 HP EPM-442A User’s Guide • Press . Use the , , and hardkeys to enter 99.8. Press . • Connect the power sensor to the POWER REF output.
HP4402.book : chapter2.fm 13 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables HP EPM-442A User’s Guide 2-13 Making Measurements using Sensor Calibration T ables This section applies to all HP 8480 series power sensors.
HP4402.book : chapter2.fm 14 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables 2-14 HP EPM-442A User’s Guide “ State ” field indicates if any sensor calibration tables are currently selected. The “Sensor Tbls” screen is displayed as shown in Figure 2-1.
HP4402.book : chapter2.fm 15 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables HP EPM-442A User’s Guide 2-15 6. Press . The current setting of the frequency is displa yed under the softkey . 7. T o change this setting press .
HP4402.book : chapter2.fm 16 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables 2-16 HP EPM-442A User’s Guide Figure 2-2: “Edit Cal” Screen.
HP4402.book : chapter2.fm 17 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables HP EPM-442A User’s Guide 2-17 The power meter is shipped with a set of predefined sensor calibration tables. The data in these tables is based on statistical a verages for a range of Hewlett-P ackard power sensors.
HP4402.book : chapter2.fm 18 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables 2-18 HP EPM-442A User’s Guide A calibration factor in the range of 1% to 150% can be entered. The following rules apply to naming sensor calibration tables: ■ The name must consist of no more than 12 characters .
HP4402.book : chapter2.fm 19 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables HP EPM-442A User’s Guide 2-19 The following lists detail the contents of the predefined sensor calibration tables. DEFAUL T HP 8482A RCF 100 RCF 98 0.
HP4402.book : chapter2.fm 20 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables 2-20 HP EPM-442A User’s Guide HP 8481D HP 8485A RCF 99 RCF 100 50 MHz 99 50 MHz 100 500 MHz 99.5 2 GHz 99.5 1 GHz 99.4 4 GHz 98.
HP4402.book : chapter2.fm 21 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Measurements using Sensor Calibration Tables HP EPM-442A User’s Guide 2-21 HP 8487A HP 8487A continued RCF 100 37 GHz 92.4 50 MHz 100 38 GHz 90.9 100 MHz 99.9 39 GHz 91.
HP4402.book : chapter2.fm 22 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting the Units of Measurement 2-22 HP EPM-442A User’s Guide Setting the Units of Measurement The “dBm/W” menu is used to select the measurement units on the currently selected window .
HP4402.book : chapter2.fm 23 Wed Apr 23 15:29:05 1997 P ower Meter Operation Selecting Units of Measurement from the Softkeys HP EPM-442A User’s Guide 2-23 Selecting Units of Measurement fr om the Softkeys In various softkey menu structures you are required to enter the units of measurement for power .
HP4402.book : chapter2.fm 24 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Relative Measurements 2-24 HP EPM-442A User’s Guide Making Relative Measurements Relative mode allows you to compare any measurement result to a reference value. The relative reading can be displa yed in either dB or % by pressing and selecting either or .
HP4402.book : chapter2.fm 25 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting the Resolution HP EPM-442A User’s Guide 2-25 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).
HP4402.book : chapter2.fm 26 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Offsets 2-26 HP EPM-442A User’s Guide 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).
HP4402.book : chapter2.fm 27 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Offsets HP EPM-442A User’s Guide 2-27 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.
HP4402.book : chapter2.fm 28 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Averaging 2-28 HP EPM-442A User’s Guide Setting A veraging The power meter uses a digital filter to average power readings . The number of readings averaged can range from 1 to 1024 in binary progression.
HP4402.book : chapter2.fm 29 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Averaging HP EPM-442A User’s Guide 2-29 Figure 2-5: A veraged Readings These four resolution levels represent: • 1, 0.1, 0.01, 0.001 dB respectively if the measurement suffix is dBm or dB .
HP4402.book : chapter2.fm 30 Wed Apr 23 15:29:05 1997 P ower Meter Operation Measuring Pulsed Signals 2-30 HP EPM-442A User’s Guide 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.
HP4402.book : chapter2.fm 31 Wed Apr 23 15:29:05 1997 P ower Meter Operation Measuring Pulsed Signals HP EPM-442A User’s Guide 2-31 T o set the duty cycle: 1. Press , . The current setting of the duty cycle is displayed under the softkey . 2. T o change this setting press .
HP4402.book : chapter2.fm 32 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Measurement Limits 2-32 HP EPM-442A User’s Guide Setting Measurement Limits The power meter can be configured to verify the power being measured against an upper and/or lower limit value.
HP4402.book : chapter2.fm 33 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Measurement Limits HP EPM-442A User’s Guide 2-33 Figure 2-8: Limits Checking Results In this application a swept frequency signal is applied to the input of the Device Under T est.
HP4402.book : chapter2.fm 34 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting Measurement Limits 2-34 HP EPM-442A User’s Guide Figure 2-9: P ass/F ail Limit Indicators This measurement has passed which is indicated by the limit field being empty.
HP4402.book : chapter2.fm 35 Wed Apr 23 15:29:05 1997 P ower Meter Operation Channel Measurements HP EPM-442A User’s Guide 2-35 Channel Measurements Single channel measurements can be made on the currently selected window by pressing , and selecting or .
HP4402.book : chapter2.fm 36 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Difference Measurements 2-36 HP EPM-442A User’s Guide Making Difference Measurements Dual channel difference measurements can be made on the currently selected window by pressing , , and selecting or .
HP4402.book : chapter2.fm 37 Wed Apr 23 15:29:05 1997 P ower Meter Operation Making Ratio Measurements HP EPM-442A User’s Guide 2-37 Making Ratio Measurements Dual channel ratio measurements can be made on the currently selected window by pressing , and selecting or .
HP4402.book : chapter2.fm 38 Wed Apr 23 15:29:05 1997 P ower Meter Operation Selecting a Digital or Analog Display 2-38 HP EPM-442A User’s Guide Selecting a Digital or Analog Displa y 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 39 Wed Apr 23 15:29:05 1997 P ower Meter Operation Selecting a Digital or Analog Display HP EPM-442A User’s Guide 2-39 T o select the format of the display in the currently selected window: 1. Press , . 2. Press to highlight the type of format you require.
HP4402.book : chapter2.fm 40 Wed Apr 23 15:29:05 1997 P ower Meter Operation Selecting a Digital or Analog Display 2-40 HP EPM-442A User’s Guide T o 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 41 Wed Apr 23 15:29:05 1997 P ower Meter Operation Setting the Range HP EPM-442A User’s Guide 2-41 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.
HP4402.book : chapter2.fm 42 Wed Apr 23 15:29:05 1997 P ower Meter Operation Configuring the Remote Interface 2-42 HP EPM-442A User’s Guide Configuring the Remote Interface This section gives a brief description on configuring the remote interface.
HP4402.book : chapter2.fm 43 Wed Apr 23 15:29:05 1997 P ower Meter Operation Recorder Output HP EPM-442A User’s Guide 2-43 Recor der Output The rear panel Recorder Output connector produces a dc voltage that corresponds to the power level in W atts of the selected channel, depending on the measurement mode.
HP4402.book : chapter2.fm 44 Wed Apr 23 15:29:05 1997 P ower Meter Operation Recorder Output 2-44 HP EPM-442A User’s Guide Leveling a Sour ce 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.
HP4402.book : chapter2.fm 45 Wed Apr 23 15:29:05 1997 P ower Meter Operation Saving and Recalling Power Meter Configurations HP EPM-442A User’s Guide 2-45 Saving and Recalling P ower Meter Configurations T o reduce repeated setup sequences , up to ten power meter configurations can be stored in the power meter’ s non-volatile memory .
HP4402.book : chapter2.fm 46 Wed Apr 23 15:29:05 1997 P ower Meter Operation Saving and Recalling Power Meter Configurations 2-46 HP EPM-442A User’s Guide Figure 2-14: “Save/Recall” Screen.
HP4402.book : chapter2.fm 47 Wed Apr 23 15:29:05 1997 P ower Meter Operation How Measurements are Calculated HP EPM-442A User’s Guide 2-47 How Measurements are Calculated Figure 2-15 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 48 Wed Apr 23 15:29:05 1997 P ower Meter Operation Presetting the Power Meter 2-48 HP EPM-442A User’s Guide Presetting the P ower Meter This section details the power meter’ s preset conditions.
HP4402.book : chapter2.fm 49 Wed Apr 23 15:29:05 1997 P ower Meter Operation Presetting the Power Meter HP EPM-442A User’s Guide 2-49 • is not affected. • is not affected. • is set to “ On ”. • is set to “ AUTO ”. • is set to “ Off ”.
HP4402.book : chapter2.fm 50 Wed Apr 23 15:29:05 1997 P ower Meter Operation Self Test 2-50 HP EPM-442A User’s Guide Self T est The power meter has three distinct self test modes: • power on self test, which occurs automatically when you turn on the power meter .
HP4402.book : chapter2.fm 51 Wed Apr 23 15:29:05 1997 P ower Meter Operation Self Test HP EPM-442A User’s Guide 2-51 Front P anel Selection of Self T ests Press , , , to access a test menu which con.
HP4402.book : chapter2.fm 52 Wed Apr 23 15:29:05 1997 P ower Meter Operation Self Test 2-52 HP EPM-442A User’s Guide Instrument Self T est If is selected, the following tests are run, these are the same tests which are run using the *TST? command.
HP4402.book : chapter2.fm 53 Wed Apr 23 15:29:05 1997 P ower Meter Operation Self Test HP EPM-442A User’s Guide 2-53 HP-IB T esting T o invoke the HP-IB self test, the IEEE 488.
HP4402.book : chapter2.fm 54 Wed Apr 23 15:29:05 1997 P ower Meter Operation Self Test 2-54 HP EPM-442A User’s Guide T est 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).
HP4402.book : chapter2.fm 55 Wed Apr 23 15:29:05 1997 P ower Meter Operation Self Test HP EPM-442A User’s Guide 2-55 Calibrator The reference calibrator is turned on (indicated by the POWER REF LED) and measured internally . A pass or fail result is returned.
HP4402.book : chapter2.fm 56 Wed Apr 23 15:29:05 1997 P ower Meter Operation Operator Maintenance 2-56 HP EPM-442A User’s Guide Operator Maintenance This section describes how to replace the power line fuse and clean the power meter .
HP4402.book : chapter2.fm 57 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard HP EPM-442A User’s Guide 2-57 Contacting Hewlett-P ackar d This section details what to do if you have a problem with your power meter .
HP4402.book : chapter2.fm 58 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard 2-58 HP EPM-442A User’s Guide Check the Basics Problems can be solved by repeating what was being performed when the problem occurred.
HP4402.book : chapter2.fm 59 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard HP EPM-442A User’s Guide 2-59 Whenever you contact Hewlett-P ackard about your power meter have a complete serial number available . This will ensure that you obtain the most complete and accurate service information.
HP4402.book : chapter2.fm 60 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard 2-60 HP EPM-442A User’s Guide Sales and Service Offices If you need technical assistance with a Hewlett-P ackard test and measurement product or application please contact the Hewlett-P ackard office or distributor in your country .
HP4402.book : chapter2.fm 61 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard HP EPM-442A User’s Guide 2-61 Australia/New Zealand: Hewlett-P ackard Australia Ltd. 31-41 J oseph Street Blackburn, V ictoria 3130 Australia 1 800 629 485 Canada: Hewlett-P ackard Canada Ltd.
HP4402.book : chapter2.fm 62 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard 2-62 HP EPM-442A User’s Guide P ortugal: (11) 482 85 00 Russia: tel (7/095) 928 6885, fax (7/0.
HP4402.book : chapter2.fm 63 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard HP EPM-442A User’s Guide 2-63 Returning Y our P ower Meter f or Service Use the information in this section if you need to return your power meter to Hewlett-P ackard.
HP4402.book : chapter2.fm 64 Wed Apr 23 15:29:05 1997 P ower Meter Operation Contacting Hewlett-Packard 2-64 HP EPM-442A User’s Guide.
HP4402.book : chapter3.fm 1 Wed Apr 23 15:29:05 1997 3 Menu Reference.
HP4402.book : chapter3.fm 2 Wed Apr 23 15:29:05 1997 Menu Ref erence Introduction 3-2 HP EPM-442A User’s Guide Intr oduction This chapter is a reference to the softkey menu structure of the power meter . “The Front P anel Menu Maps” starting on page 3-3 details the menus diagrammatically .
HP4402.book : chapter3.fm 3 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps HP EPM-442A User’s Guide 3-3 The Front P anel Menu Maps The following diagrams detail the structure of .
HP4402.book : chapter3.fm 4 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps 3-4 HP EPM-442A User’s Guide Frequency/Cal F ac Menu Note Depending on the power meter’ s setup you will be unable to select certain softkeys. The text on these softkey labels appears gra yed out.
HP4402.book : chapter3.fm 5 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps HP EPM-442A User’s Guide 3-5 Meas Setup Menu Input Displa y Resolution Meas Setup Meter Anlg Mtr A B A/B B/A A-B B-A Select F ormat 1 2 3 4 Dgtl Anlg Scaling Max 20.
HP4402.book : chapter3.fm 6 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps 3-6 HP EPM-442A User’s Guide Rel/Offset Menu Save/Recall Men u Note Depending on the power meter’ s setup you will be unable to select certain softkeys.
HP4402.book : chapter3.fm 7 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps HP EPM-442A User’s Guide 3-7 System Inputs Menu Note Depending on the power meter’ s setup you will be unable to select certain softkeys. The text on these softkey labels appears gra yed out.
HP4402.book : chapter3.fm 8 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps 3-8 HP EPM-442A User’s Guide System Inputs Menu Continued System Inputs P ower Ref Error Recorder Ser vice Clear Output Max P ower Self T est More V ersion Off On Output Errors Off On 20.
HP4402.book : chapter3.fm 9 Wed Apr 23 15:29:05 1997 Menu Ref erence The Front Panel Menu Maps HP EPM-442A User’s Guide 3-9 Zero/Cal Men u Note Depending on the power meter’ s setup you will be unable to select certain softkeys. The text on these softkey labels appears gra yed out.
HP4402.book : chapter3.fm 10 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "dBm/W" Menu 3-10 HP EPM-442A User’s Guide Fr ont P anel Menu Reference This section describes all the hardkeys and softkeys on your power meter .
HP4402.book : chapter3.fm 11 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Frequency/Cal Fac" Menu HP EPM-442A User’s Guide 3-11 The softkey menu structured to this hardkey affects the channel setup .
HP4402.book : chapter3.fm 12 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Frequency/Cal Fac" Menu 3-12 HP EPM-442A User’s Guide • Press this softkey to enter the measurement calibration factor for channel A in the range of 1% to 150%.
HP4402.book : chapter3.fm 13 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Meas/Setup" Menu HP EPM-442A User’s Guide 3-13 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 displa y .
HP4402.book : chapter3.fm 14 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Meas/Setup" Menu 3-14 HP EPM-442A User’s Guide • 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 .
HP4402.book : chapter3.fm 15 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "More", "Preset/Local", "Prev" Keys HP EPM-442A User’s Guide 3-15 Press this hardkey to move through all the softkeys available on a particular level of a menu.
HP4402.book : chapter3.fm 16 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Rel/Offset" Menu 3-16 HP EPM-442A User’s Guide The softkey menu structured to this hardkey affects the currently selected window .
HP4402.book : chapter3.fm 17 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Save/Recall" Menu HP EPM-442A User’s Guide 3-17 The softkey menu structured to this hardkey affects the system setup.
HP4402.book : chapter3.fm 18 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu 3-18 HP EPM-442A User’s Guide The softkey menu structured to this hardkey affects the system setup and the channel setup .
HP4402.book : chapter3.fm 19 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu HP EPM-442A User’s Guide 3-19 ◆ Press this softkey to insert a new sensor calibration table entry . Y ou are prompted to enter the frequency and calibration factor .
HP4402.book : chapter3.fm 20 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu 3-20 HP EPM-442A User’s Guide entered using . Refer to “Setting Averaging”, on page 2-28 for further information. ■ Press this softkey to toggle the duty cycle value on or off .
HP4402.book : chapter3.fm 21 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu HP EPM-442A User’s Guide 3-21 ◆ Press this softkey to toggle between the test limits being on or off . The default is “ Off ”.
HP4402.book : chapter3.fm 22 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu 3-22 HP EPM-442A User’s Guide ■ Press this softkey to return to the “System/Inputs” menu. • Press this softkey to access a menu which allows you to modify the setup of the recorder output.
HP4402.book : chapter3.fm 23 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu HP EPM-442A User’s Guide 3-23 ❖ Press this softkey to perform a ROM checksum verification test. ❖ Press this softkey to verify the memory and the correct amount of RAM is present.
HP4402.book : chapter3.fm 24 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "System/Inputs" Menu 3-24 HP EPM-442A User’s Guide ◆ Press this softkey to increase the display contrast. ◆ Press this softkey to decrease the display contrast.
HP4402.book : chapter3.fm 25 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Zero/Cal" Menu HP EPM-442A User’s Guide 3-25 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 .
HP4402.book : chapter3.fm 26 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference "Zero/Cal" Menu 3-26 HP EPM-442A User’s Guide ■ Press this softkey to calibrate channel B with the connected power sensor .
HP4402.book : chapter3.fm 27 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference Diagramatical Keys HP EPM-442A User’s Guide 3-27 Diagrammatical Har dkeys Press this hardkey to: • assist in modifying alphanumeric data that is to be entered into the power meter .
HP4402.book : chapter3.fm 28 Wed Apr 23 15:29:05 1997 Menu Ref erence Front Panel Menu Reference Diagramatical Keys 3-28 HP EPM-442A User’s Guide Press this hardkey to: • increment the alphanumeric digit on which the cursor is currently positioned.
HP4402.book : chapter4.fm 1 Wed Apr 23 15:29:05 1997 4 Error Messages.
HP4402.book : chapter4.fm 2 Wed Apr 23 15:29:05 1997 Error Messages Introduction 4-2 HP EPM-442A User’s Guide Intr oduction 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 .
HP4402.book : chapter4.fm 3 Wed Apr 23 15:29:05 1997 Error Messages Introduction HP EPM-442A User’s Guide 4-3 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” .
HP4402.book : chapter4.fm 4 Wed Apr 23 15:29:05 1997 Error Messages Error Messages 4-4 HP EPM-442A User’s Guide Err or Messages -101 Invalid character An invalid character w as found in the command string. Y ou may have inserted a character such as #, $, or % in the command header or within a parameter .
HP4402.book : chapter4.fm 5 Wed Apr 23 15:29:05 1997 Error Messages Error Messages HP EPM-442A User’s Guide 4-5 -113 Undefined header A command was received that is not valid for this power meter . Y ou may have misspelled the command or it may not be valid command.
HP4402.book : chapter4.fm 6 Wed Apr 23 15:29:05 1997 Error Messages Error Messages 4-6 HP EPM-442A User’s Guide -148 Character data not allowed A discrete parameter was received but a c haracter string or a numeric parameter was expected. Check the list of parameters to verify that you have used a valid parameter type .
HP4402.book : chapter4.fm 7 Wed Apr 23 15:29:05 1997 Error Messages Error Messages HP EPM-442A User’s Guide 4-7 -214 Trigger deadlock TRIG:SOUR was set to HOLD or BUS and a READ? or MEASure? wa s attempted, expecting TRIG:SOUR to be set to IMMediate .
HP4402.book : chapter4.fm 8 Wed Apr 23 15:29:05 1997 Error Messages Error Messages 4-8 HP EPM-442A User’s Guide -231 Data questionable;CAL ERROR ChB P ower meter calibration failed on channel B . The most likely cause is attempting to calibrate without applying a 1 mW power to the power sensor .
HP4402.book : chapter4.fm 9 Wed Apr 23 15:29:05 1997 Error Messages Error Messages HP EPM-442A User’s Guide 4-9 -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 .
HP4402.book : chapter4.fm 10 Wed Apr 23 15:29:05 1997 Error Messages Error Messages 4-10 HP EPM-442A User’s Guide -330 Self-test F ailed;Measurement Channel A F ault Refer to “Measurement Assemblies”, on page 2-54 if you require a description of the Measurement Assembly test.
HP4402.book : chapter4.fm 11 Wed Apr 23 15:29:05 1997 Error Messages Error Messages HP EPM-442A User’s Guide 4-11 -410 Query INTERRUPTED A command was received whic h sends data to the output buffer , but the output buffer contained data from a previous command (the previous data is not overwritten).
HP4402.book : chapter4.fm 12 Wed Apr 23 15:29:05 1997 Error Messages Error Messages 4-12 HP EPM-442A User’s Guide.
HP4402.book : chapt5_2.fm 1 Wed Apr 23 15:29:05 1997 5 Specifications.
HP4402.book : chapt5_2.fm 2 Wed Apr 23 15:29:05 1997 Specifications Introduction 5-2 HP EPM-442A User’s Guide Intr oduction This chapter details the power meter’ s specifications and supplemental characteristics . Specifications describe the warranted performance and apply after a 30 minute warm-up .
HP4402.book : chapt5_2.fm 3 Wed Apr 23 15:29:05 1997 Specifications Power Meter Specifications HP EPM-442A User’s Guide 5-3 P ower Meter Specifications Meter Frequency Range 100 kHz to 50 GHz and .
HP4402.book : chapt5_2.fm 4 Wed Apr 23 15:29:05 1997 Specifications Power Meter Specifications 5-4 HP EPM-442A User’s Guide 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 .
HP4402.book : chapt5_2.fm 5 Wed Apr 23 15:29:05 1997 Specifications Power Meter Specifications HP EPM-442A User’s Guide 5-5 P ower Reference P ower Output 1.00 mW (0.0 dBm). F actory set to ± 0.7% traceable to the US National Institute of Standards and T echnology .
HP4402.book : chapt5_2.fm 6 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics 5-6 HP EPM-442A User’s Guide P ower Meter Supplemental Characteristics P ower Reference Frequency 50 MHz nominal SWR 1.
HP4402.book : chapt5_2.fm 7 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics HP EPM-442A User’s Guide 5-7 Zero Drift of Sensor s P ower sensor dependent (refer to T able 5-3). Measurement Noise P ower sensor dependent (refer to T able 5-2 and T able 5-3).
HP4402.book : chapt5_2.fm 8 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics 5-8 HP EPM-442A User’s Guide T able 5-3: P ower Sensor Specifications 1. Within 1 hour after zero set, at a constant temperature , after a 24 hour warm-up of the power meter .
HP4402.book : chapt5_2.fm 9 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics HP EPM-442A User’s Guide 5-9 Settling Time 0 to 99% settled readings over the HP-IB .
HP4402.book : chapt5_2.fm 10 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics 5-10 HP EPM-442A User’s Guide For HP ECP-series power sensor s In F AST mode, within the range -50 dBm to +17 dBm, for a 10 dB decreasing power step , the settling time is 20 ms 1.
HP4402.book : chapt5_2.fm 11 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics HP EPM-442A User’s Guide 5-11 Auto filter , default resolution, 10 dB decreasing power step , normal and x 2 speed modes: 10 dB 10 dB 10 dB 60 dB Maximum dBm Minimum dBm P ower Sensor 40 ms 3.
HP4402.book : chapt5_2.fm 12 Wed Apr 23 15:29:05 1997 Specifications Power Meter Supplemental Characteristics 5-12 HP EPM-442A User’s Guide P ower 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 .
HP4402.book : chapt5_2.fm 13 Wed Apr 23 15:29:05 1997 Specifications General Characteristics HP EPM-442A User’s Guide 5-13 General Characteristics Rear P anel Connectors Recorder Output Analog 0-1 V olt, 1 k Ω output impedance, BNC connector HP-IB Allows communication with an external controller .
HP4402.book : chapt5_2.fm 14 Wed Apr 23 15:29:05 1997 Specifications Environmental Characteristics 5-14 HP EPM-442A User’s Guide En vir onmental Characteristics General Conditions Complies with the requirements of the EMC Directive 89/336/EEC .
HP4402.book : chapt5_2.fm 15 Wed Apr 23 15:29:05 1997 Specifications General HP EPM-442A User’s Guide 5-15 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.
HP4402.book : chapt5_2.fm 16 Wed Apr 23 15:29:05 1997 Specifications General 5-16 HP EPM-442A User’s Guide Lithium P olycarbon Monoflouride, approximate lifetime 5 years at 25ºC .
HP4402.book : HP4402IX.doc 1 Wed Apr 23 15:29:05 1997 Index Symbols "%" key description 3-10 A "A Cal Fac" key description 3-12 "A Freq" key description 3-11 "A Inpu.
HP4402.book : HP4402IX.doc 2 Wed Apr 23 15:29:05 1997 Index-2 HP EPM-442A User’s Guide Channel A (option 002 or 003) 1-14 Channel B (option 002 or 003) 1-14 channel inputs 1-5 HP-IB 1-14 , 5-13 POWE.
HP4402.book : HP4402IX.doc 3 Wed Apr 23 15:29:05 1997 HP EPM-442A User’s Guide Index-3 offices 2-60 HP-IB 1-14 connector characteristic 5-13 setting of address 2-42 "HP-IB Addr" key descri.
HP4402.book : HP4402IX.doc 4 Wed Apr 23 15:29:05 1997 Index-4 HP EPM-442A User’s Guide "Offset Off On" key description 3-16 , 3-20 offsets 2-26 operating environment 5-14 operating voltage.
HP4402.book : HP4402IX.doc 5 Wed Apr 23 15:29:05 1997 HP EPM-442A User’s Guide Index-5 selecting a field 3-27 a window 3-28 "Self Test" key description 3-22 self-test 2-50 bitmap display 2.
HP4402.book : HP4402IX.doc 6 Wed Apr 23 15:29:05 1997 Index-6 HP EPM-442A User’s Guide definition 5-12 specification 5-4 "Zero/Cal" key description 3-25 menu map 3-9.
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