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HP4402.book : chapter1.fm 2 Tue Apr 22 15:20:23 1997

Getting Started
Introduction

1-2

HP EPM-441A User’s Guide

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. When some hardkeys are selected
the corresponding softkey labels are displayed on the power meter display.

If you are using the power meter remotely refer to the
HP EPM-441A/442A Programming Guide for remote operating details.

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Summary of Contents for EPM E4418A

Page 1: ...e HP Halbleiterprodukte HP chemische Analysen oder HP Test und Messwesen nun zu der Firma Agilent Technology gehören Um Verwirrung zu vermeiden wurde lediglich bei Produktname und Nummer der vo laufende Firmenname geändert Produkte mit dem Namen Nummer HP XXXX lauten nun mehr Agilent XXXX Z B das Modell HP 8648 heißt nun Agilent 8648 Questo manuale potrebbe contenere riferimenti ad HP o Hewlett Pa...

Page 2: ...YHP または横河ヒューレットパッカード株式会社という語句を Agilent またはアジレントテクノロジー株式会社と変更してくださいヒューレットパッカード社の電子計測半導体製品化学分析ビジネス部門は分離独立しアジレントテクノロジー社となりました社名変更に伴うお客様の混乱を避けるため製品番号の接頭部のみ変更しております例旧製品名 HP 4294A は現在 Agilent 4294A として販売いたしております ...

Page 3: ...HP4402 book title fm i Tue Apr 22 15 20 23 1997 HP Part no E4418 90000 April 22 1997 User s Guide HP EPM E4418A EPM 441A Power Meter ...

Page 4: ...20 23 1997 ii HP EPM 441A User s Guide 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 ...

Page 5: ...t its calibration measurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members Warranty This Hewlett Packard instrument product is warranted against defects in material and workmanship for a period of one year from d...

Page 6: ...use operation outside of the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED HP SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Exclusive Remedies THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT ...

Page 7: ...Personal Safety Considerations WARNING This is a Safety Class I product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside the instrument is likely to make the instrument dangerous Intentional interruption is prohibi...

Page 8: ...ective covers removed should be performed only by trained service personnel Markings The CE mark shows that the product complies with all the relevant European legal Directives if accompanied by a year it signifies when the design was proven This is the symbol of an Industrial Scientific and Medical Group 1 Class A product The CSA mark is a registered trademark of the Canadian Standards Associatio...

Page 9: ... and tested in accordance with IEC Publication 1010 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 ...

Page 10: ...splatz 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 Sound Pressure LpA 70 dB At operator position Normal operation According to ISO 7779 Type Test Australian EMC Regulations The C Tick mark is a registered trademark of the Spectrum Management Agency of Australia Thi...

Page 11: ...forms to the following Product Specifications Safety EN61010 1 1993 IEC 1010 1 1990 A1 CSA C22 2 No 1010 1 1993 EN60825 1 1994 IEC 825 1 1993 Class 1 EMC EN 55011 1991 CISPR11 1990 Group 1 Class A EN 50082 1 1992 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 72 23 EEC and the EMC Directive 89 336 EEC and carries the CE marking accordingl...

Page 12: ...n ABZ Japanese Language User s Guide Option ABJ HP EPM 441A 442A Programming Guide is shipped as standard HP EPM 441A 442A Service Guide is available by ordering Option 915 HP EPM 441A 442A CLIPs Component Location and Information Pack is available by ordering E4418 90007 Useful information on SCPI Standard Commands for Programmable Instruments can be found in A Beginner s Guide to SCPI which is a...

Page 13: ...eletes manual set Option 908 provides rackmount kit for one instrument Option 909 provides rackmount kit for two instruments Option 915 provides the HP EPM 441A 442A Service Guide Option 916 provides an additional HP EPM 441A User s Guide and HP EPM 441A 442A Programming Guide Option 1BN provides MIL STD 45662A ANSI NCSL Z540 1 1994 Certificate of Calibration Option 1BP provides MIL STD 45662A ANS...

Page 14: ... You will find this chapter useful when you are operating the power meter from the front panel Chapter 3 Menu Map Reference This chapter details diagrammatically the menu maps for the power meter It also gives a description of all the power meter s keys Chapter 4 Error Messages This chapter lists the error messages that may appear as you are working with the power meter Each description contains i...

Page 15: ...ications x HP EPM 441A Options xi Available Accessories xi About this Guide xii Getting Started 1 1 Introduction 1 2 Turning On the Power Meter 1 3 The Front Panel at a Glance 1 4 The Display Layout 1 7 Selecting Your Display Layout 1 9 Window Symbols 1 12 Warning Symbol 1 12 Confirmation Window 1 12 Wait Symbol 1 12 1 of N Entry Window 1 13 Numeric or Alphanumeric Entry Window 1 13 The Rear Panel...

Page 16: ...surement from the Softkeys 2 21 Making Relative Measurements 2 22 Procedure 2 22 Setting the Resolution 2 23 Setting Offsets 2 24 Setting Channel Offsets 2 24 Setting Display Offsets 2 24 Setting Averaging 2 26 Measuring Pulsed Signals 2 28 Setting Measurement Limits 2 30 Checking for Limit Failures 2 31 Selecting a Digital or Analog Display 2 33 Setting the Range 2 36 Configuring the Remote Inter...

Page 17: ...as Setup Menu 3 4 Rel Offset Menu 3 5 Save Recall Menu 3 5 System Inputs Menu 3 6 System Inputs Menu Continued 3 7 Zero Cal Menu 3 8 Front Panel Menu Reference 3 9 Diagrammatical Hardkeys 3 24 Error Messages 4 1 Introduction 4 2 Error Messages 4 4 Specifications 5 1 Introduction 5 2 Power Meter Specifications 5 3 Meter 5 3 Accuracy 5 4 Power Reference 5 5 Power Meter Supplemental Characteristics 5...

Page 18: ...C doc 4 Tue Apr 22 15 20 23 1997 Contents 4 HP EPM 441A User s Guide Operating Environment 5 14 Storage Conditions 5 14 General 5 15 Dimensions 5 15 Weight 5 15 Safety 5 15 Remote Programming 5 15 Non Volatile Memory 5 16 ...

Page 19: ...raged Readings 2 27 2 5 Pulsed Signal 2 28 2 6 Limits Checking Application 2 30 2 7 Limits Checking Results 2 31 2 8 Pass Fail Limit Indicators 2 32 2 9 Digital Display 2 33 2 10 Analog Display 2 33 2 11 Digital and Analog Display 2 33 2 12 Test Setup for Recording Swept Measurements 2 39 2 13 Save Recall Screen 2 42 2 14 How Measurements are Calculated 2 43 2 15 Replacing the Fuse 2 52 4 1 Error ...

Page 20: ...HP4402 book HP4402LOF doc 6 Tue Apr 22 15 20 23 1997 Contents 6 HP EPM 441A User s Guide ...

Page 21: ...EPM 441A User s Guide Contents 7 2 1 Connecting the HP 8480 Series Power Sensors During Calibration 2 7 2 2 Measurement Units 2 20 3 1 3 10 5 1 Zero Set Specifications 5 4 5 2 Noise Multiplier 5 7 5 3 Power Sensor Specifications 5 8 5 4 Settling Time 5 9 5 5 Settling Time 5 10 ...

Page 22: ...HP4402 book HP4402LOT doc 8 Tue Apr 22 15 20 23 1997 Contents 8 HP EPM 441A User s Guide ...

Page 23: ...HP4402 book chapter1 fm 1 Tue Apr 22 15 20 23 1997 1 Getting Started ...

Page 24: ...tions 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 When some hardkeys are selected the corresponding softkey labels are displayed on the power meter display If you are using the power meter remotely refer to the HP EP...

Page 25: ... 1010 and 664 respectively Caution This instrument has an autoranging line voltage input be sure the supply voltage is within the range of 85 to 264 Vac Note If the power meter has been stored at extremely low temperatures outwith the operating range of the power meter the display may take a few minutes to operate 2 Set the display contrast if required The display contrast is adjusted by pressing ...

Page 26: ...rried out However if you are in remote mode that is HP IB operation then pressing this hardkey places the power meter in local mode provided local lock out LLO is not enabled 2 Hardkeys relating to the display layout This hardkey allows you 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 Any measurement setu...

Page 27: ...he only one that is completely dedicated to the control of the power meter as a system The only other hardkey which affects system parameters is the hardkey Refer to Chapter 3 for further information about this hardkey and it s softkey menu 6 Dedicated Window hardkeys with softkey menus These hardkeys allow access to softkey menus which affect the setup of the measurement windows Refer to Chapter ...

Page 28: ...ursor select fields for editing and edit alphanumeric characters Refer to Chapter 3 for further information 11 Menu related hardkeys This hardkey allows you to move through all pages 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 moves you to 2 of 2 Pressing again moves you back to 1 of 2 This hardkey allo...

Page 29: ...he power meter is addressed to talk or LSN if it is addressed to listen The third field indicates an SRQ service request The fourth field indicates ERR for any error conditions The last field is used to report error and warning messages 2 The measurement data is displayed in either one or two rectangular windows depending on the setting of Pressing allows you to toggle between a one or two window ...

Page 30: ...er limits set If the measurement is within the limits this field is empty If the measurement result is less than the minimum limit set Undr Lmt is displayed If the measurement result is more than the maximum limit set Over Lmt is displayed Refer to Setting Measurement Limits on page 2 30 for further information 10 This field displays Rel if relative mode is on Refer to Making Relative Measurements...

Page 31: ...ed to display a variety of different measurements and windows depending on your needs The following diagram details the various options available to you Meas Setup Display Format Upper Window Lower Window Display One Window Two Windows Digital Display Analog Display Digital Display Analog Display Digital Display Analog Display Select using Select using Select using Meas Setup Select using Display ...

Page 32: ...ndow which has a digital display is the one which is highlighted by the dark box 2 Press The display remains the same apart from the fact that it is now the lower window which is an analog display that is highlighted by the dark box 3 Press The display now only shows the one window This is the analog window which in the previous step was selected with the key 4 Press Dgtl should be highlighted The...

Page 33: ... The Display Layout HP EPM 441A User s Guide 1 11 6 Press The upper window is now the selected window and is highlighted by the black box 7 Press Anlg should be highlighted The upper window now displays an analog meter 8 Select the digital display using Meter Dgtl Anlg ...

Page 34: ... either directly in the measurement window or in a pop up window when such an event occurs A pop up window is displayed for approximately two seconds The text in the pop up window gives details of the warning type This symbol may also appear on a measurement window for example to indicate that a power sensor is not connected Confirmation Window This pop up window is displayed when you are required...

Page 35: ...s 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 ...

Page 36: ... corresponds to the power level of the channel input Refer to Recorder Output on page 2 39 for further information 4 Power socket This power meter has an auto configuring power supply This allows it to operate over a range of voltages without manually being set to a certain voltage 5 Fuse An F3 15AH fuse is installed for all voltage supplies 6 HP IB The Hewlett Packard Interface Bus allows the pow...

Page 37: ...ng Started Adjusting the Carrying Handle HP EPM 441A User s Guide 1 15 Adjusting the Carrying Handle To adjust the position grasp the handle by the sides and pull outward Rotate the handle to the desired position Bench top viewing positions Carrying position ...

Page 38: ...ck 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 EPM 441A power meter To rack mount the power meter 1 Remove the handle by rotating it to the vertical position and pulling the ends outward 2 Remove the rubber bumper by stretching a corner and sliding it off Front Rea...

Page 39: ...nt a single instrument order option 908 or adapter kit 5063 9239 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 ...

Page 40: ...HP4402 book chapter1 fm 18 Tue Apr 22 15 20 23 1997 Getting Started Rack Mounting the Power Meter 1 18 HP EPM 441A User s Guide ...

Page 41: ...HP4402 book chapter2 fm 1 Tue Apr 22 15 20 23 1997 2 Power Meter Operation ...

Page 42: ...Sensor Calibration Tables on page 2 12 Setting the Units of Measurement on page 2 20 Selecting Units of Measurement from the Softkeys on page 2 21 Making Relative Measurements on page 2 22 Setting the Resolution on page 2 23 Setting Offsets on page 2 24 Setting Averaging on page 2 26 Measuring Pulsed Signals on page 2 28 Setting Measurement Limits on page 2 30 Selecting a Digital or Analog Display...

Page 43: ...h no power applied to the power sensor During zeroing which takes approximately 10 seconds the wait symbol is displayed To zero the power meter 1 Press During zeroing the wait symbol is displayed When to Zero Zeroing of the power meter is recommended when a 50C change in temperature occurs when you change the power sensor every 24 hours prior to measuring low level signals For example 10 dB above ...

Page 44: ...s used as the signal source for calibration An essential part of calibrating is setting the correct reference calibration factor for the power sensor you are using The HP 8480 series power sensors require you to set the reference calibration factor The HP E series power sensors set the reference calibration factor automatically During calibration the wait symbol is displayed Offset relative and du...

Page 45: ...the POWER REF output Example To calibrate the power meter with an HP E series power sensor Press Connect the power sensor to the POWER REF output Press Calibration Procedure using HP 8480 Series Power Sensors The following procedure describes how you calibrate the power meter with the HP 8480 series power sensors There are a variety of different methods to connect the power sensors to the power me...

Page 46: ... your choice press 4 Connect the power sensor to the POWER REF output 5 Press to calibrate the power meter During calibration the wait symbol is displayed The power meter automatically turns on the POWER REF output Example To calibrate the power meter with a power sensor whose reference calibration factor is 99 8 Press Press Use the and hardkeys to enter 99 8 Press Connect the power sensor to the ...

Page 47: ... one which is used to calibrate the power meter HP 8481B HP 8482B These power senors are configured with an attenuator Prior to the power meter being calibrated this attenuator must be removed The attenuator must be reconnected prior to making measurements HP 8485A This power sensor requires an APC 3 5 f to 50 Ω m N Type adapter 08485 60005 to connect to the reference calibrator HP 8485D Prior to ...

Page 48: ...measurement on channel A of the power meter 1 Ensure that no power is applied to the power sensor 2 Press 3 Press During zeroing which takes approximately 10 seconds the wait symbol is displayed 4 Connect the power sensor to the POWER REF output 5 Press to calibrate the power meter During calibration the wait symbol is displayed The power meter automatically turns on the POWER REF output 6 Press T...

Page 49: ...nt using an HP E series power sensor The frequency of the signal to be measured is 100 MHz Disconnect the power sensor from any source Press Press Connect the power sensor to the POWER REF output Press Press Use the and hardkeys to enter 100 Press Connect the power sensor to the signal to be measured The measurement result is now displayed Zero Cal Zero Cal Frequency Cal Fac Freq MHz ...

Page 50: ...s method is advantageous if you are only measuring at one frequency as entering all the calibration data in this instance is not required To make measurements without sensor calibration tables perform the following steps 1 Zero and calibrate the power meter Before carrying out the calibration you must set the reference calibration factor of the power sensor 2 Set the calibration factor value for t...

Page 51: ...ctor in a pop up window Modify this calibration factor see below as desired Use or to modify the digit on which the cursor is currently positioned Use or to move to other digits 9 To confirm your choice press 10 Connect the power sensor to the signal to be measured 11 The measurement result is now displayed Example To make a measurement on channel A with a power sensor which has a reference calibr...

Page 52: ...and convenient method for making power measurements over a range of frequencies using one or more power sensors The power meter is capable of storing 20 sensor calibration tables of 80 frequency points each To use sensor calibration tables you 1 Select the table to work on a channel Refer to Selecting a Sensor Calibration Table on page 2 12 for further information If you require to edit the table ...

Page 53: ...During zeroing which takes approximately 10 seconds the wait symbol is displayed 3 The setting of the reference calibration factor is obtained from the sensor calibration table and displayed under the softkey 4 Connect the power sensor to the POWER REF output 5 Press to calibrate the power meter During calibration the wait symbol is displayed The power meter automatically turns on the POWER REF ou...

Page 54: ...ng linear interpolation If you enter a frequency outside the frequency range defined in the sensor calibration table the power meter uses the highest or lowest frequency point in the sensor calibration table to set the calibration factor The value of the calibration factor being used by the power meter to make a measurement is displayed under the softkey Editing Sensor Calibration Tables You can e...

Page 55: ...contain a maximum of 80 frequency points each If you want a new sensor calibration table you must edit an existing one To edit a table 1 Select one using the and hardkeys to scroll through the displayed tables When the table you want to edit is highlighted press The Edit Cal screen is displayed as shown in Figure 2 2 on page 2 14 In this screen you can modify add and remove frequency and calibrati...

Page 56: ...to other characters 3 To confirm your choice press the appropriate softkey 4 To add a new sensor calibration table entry press You are prompted for the frequency and calibration factor The entry is sorted by frequency 5 To remove a sensor calibration table entry use the and hardkeys to select the entry press If you delete the frequency the equivalent calibration factor is also removed and vice ver...

Page 57: ...0 GHz 100 0 3 MHz 99 5 HP 8481A 1 MHz 99 3 RCF 100 3 MHz 98 5 50 MHz 100 10 MHz 98 5 100 MHz 99 8 30 MHz 98 1 2 GHz 99 100 MHz 97 6 3 GHz 98 6 300 MHz 97 5 4 GHz 98 1 GHz 97 5 GHz 97 7 2 GHz 95 6 GHz 97 4 3 GHz 93 7 GHz 97 1 4 2 GHz 91 8 GHz 96 6 HP 8483A 9 GHz 96 2 RCF 94 6 10 GHz 95 4 0 1 MHz 94 11 GHz 94 9 0 3 MHz 97 9 12 4 GHz 94 3 1 MHz 98 4 13 GHz 94 3 3 MHz 98 4 14 GHz 93 2 10 MHz 99 3 15 G...

Page 58: ... GHz 98 7 18 GHz 96 6 12 GHz 99 19 GHz 96 12 4 GHz 99 1 20 GHz 96 1 13 GHz 98 9 21 GHz 96 2 14 GHz 99 4 22 GHz 95 3 15 GHz 98 9 23 GHz 94 9 16 GHz 99 1 24 GHz 94 3 17 GHz 98 4 25 GHz 92 4 18 GHz 100 1 26 GHz 92 2 R8486A 26 5 GHz 92 1 RCF 100 R8486D 50 MHz 100 RCF 97 6 26 5 GHz 94 9 50 MHz 97 6 27 GHz 94 9 26 5 GHz 97 1 28 GHz 95 4 27 GHz 95 3 29 GHz 94 3 28 GHz 94 2 30 GHz 94 1 29 GHz 94 5 31 GHz ...

Page 59: ...GHz 85 4 8 GHz 98 3 48 GHz 83 2 9 GHz 98 3 49 GHz 81 6 10 GHz 98 3 50 GHz 80 2 11 GHz 98 1 Q8486A 12 GHz 97 9 RCF 100 13 GHz 98 50 MHz 100 14 GHz 98 2 33 5 GHz 91 3 15 GHz 97 7 34 5 GHz 92 16 GHz 96 8 35 GHz 91 7 17 GHz 97 36 GHz 91 5 18 GHz 96 3 37 GHz 92 1 19 GHz 95 9 38 GHz 91 7 20 GHz 95 2 39 GHz 91 21 GHz 95 6 40 GHz 90 7 22 GHz 95 5 41 GHz 90 3 23 GHz 95 4 42 GHz 89 5 24 GHz 95 43 GHz 88 5 2...

Page 60: ...icable to the individual measurement modes Press then select the unit of measurement from or Softkeys which cannot be selected in your particular mode of operation appear with their text grayed out Note When the unit of measurement is set to Watt it is possible that negative power measurements may be displayed when measuring low power levels Table 2 2 Measurement Units 1 When relative mode is on t...

Page 61: ...er the units of measurement for power In some cases due to the wide power range available the following menu is displayed Note Some softkeys may be grayed out so that an invalid value cannot be entered Pressing or increases or decreases the multiplier shown in front of Pressing after the correct multiplier has been selected confirms the entry More Increment Decrement Multiplier Multiplier W Cancel...

Page 62: ...lative mode is window dependent and when enabled displays Rel in the window to which it s applied Relative measurements cannot be output via the rear panel Recorder Output Procedure To set a reference value on the currently selected window 1 Press 2 Press to use the current reading as the reference value This allows you to compare any measurement result in dB or percentage 3 is automatically set t...

Page 63: ...els 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 To set the resolution on the currently selected window 1 Press The current setting of the resolution is highlighted on the softkey 2 To change this setting press until the required resolution setting...

Page 64: ... offset is set then Ofs is displayed To enter a channel offset which compensates for a loss or gain 1 Press 2 Press 3 Press 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 4 To confirm your choice press 5 is automatically set to On when a value ...

Page 65: ...sets can be disabled and re enabled simply by pressing The display offset is a function of the window That is if you have selected a two window display each can have its own offset Figure 2 3 displays the effects of the channel and display offsets on the power meter s displayed reading Figure 2 3 Effect of Offsets on a Channel Measurement Channel Offset entered using Display Offset entered using d...

Page 66: ...gether to satisfy the filtering requirements for most power measurements The number of readings averaged together depends on the resolution and the power level currently being measured Figure 2 4 lists the number of readings averaged for each range and resolution when the power meter is in auto filter mode and is set to normal speed mode refer to the HP EPM 441A 442A Programming Guide for details ...

Page 67: ...rrent setting of averaging is displayed under the softkey 2 To change this setting press A pop up window appears Use or to select your filter choice 3 To confirm your choice press 4 is automatically set to On when a value is entered using The filter can be disabled and re enabled simply by pressing 10 dB 10 dB Minimum Sensor Power Maximum Sensor Power Power Sensor Dynamic Range 10 dB 10 dB 1 2 3 4...

Page 68: ... than an actual measurement 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 The allowable range of values is 0 001 to 100 The default value is 1 000 If duty cycle is enabled then Dty Cyc is displayed Note Pulse measurements are not recommended using HP ECP series power sensors An...

Page 69: ...its 3 To confirm your choice press 4 is automatically set to On when a value is entered using Duty cycle can be disabled and re enabled simply by pressing Note Pulse power averages out any aberrations in the pulse such as overshooting or ringing For this reason it is called pulse power and not peak power or peak pulse power In order to ensure accurate pulse power readings the input signal must be ...

Page 70: ...imits are displayed under the and softkeys respectively 2 To change either of these settings press the appropriate softkey The power meter displays the current value in a pop up window Modify this value see below until the desired value is displayed 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 the appropriate m...

Page 71: ...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 A fail occurs each time the output power is outside these limits as shown in Figure 2 7 Checking for Limit Failures Limit failures are displayed in the appropriate field in the measurement window on the power meter s display as shown in Figure 2 8 4 dBm 10 dBm Amplitude Frequen...

Page 72: ...t Indicators This measurement has passed This is indicated by the limit field being empty This measurement has failed as the result is less than the minimum limit level set of 50 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 55 dBm This is indicated with the text Over Lmt ...

Page 73: ...nalog Display HP EPM 441A User s Guide 2 33 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 Figure 2 9 Digital Display Figure 2 10 Analog Display Figure 2 11 Digital and Analog Display ...

Page 74: ...ss the appropriate softkey The power meter displays the current value in a pop up window Modify this value see below until the desired value is displayed Use or to modify the digit on which the cursor is currently positioned Use or to move to other digits 4 To confirm your choice select the appropriate softkey If the power meter is in logarithmic mode press If the power meter is in linear mode sel...

Page 75: ...ent reading is outwith the minimum or maximum values set for the analog meter a warning message is displayed The analog meter also displays a digital reading This digital reading allows you to easily set the appropriate minimum and maximum values for the analog display Note The analog display does not indicate as much measurement data as the digital display That is it does not indicate when duty c...

Page 76: ...y Use autoranging when you are not sure of the power level you will be measuring There are two manual settings either LOWER or UPPER The lower range is more sensitive than the higher range LOWER covers the range of 70 dBm to 13 5 dBm UPPER covers the range of 14 5 dBm to 20 dBm The default is AUTO To set the range 1 Press The current setting of the range is displayed under the softkey 2 To change ...

Page 77: ...atile memory and does not change when the power is switched off or after a remote interface reset Your HP IB bus controller has its own address Avoid using the bus controller s address for any instrument on the interface bus Hewlett Packard controllers generally use address 21 To set the HP IB address from the front panel 1 Press The current setting of the HP IB address is displayed under the soft...

Page 78: ...he 1995 0 version of SCPI Standard Commands for Programmable Instruments You can determine the SCPI version with which the power meter s in compliance by sending the SYSTem VERSion command from the remote interface You cannot query the SCPI version from the front panel The language selection is stored in non volatile memory and does not change when power has been off or after a remote interface re...

Page 79: ...an be used to record swept measurements on an X Y recorder level an output from a source using external leveling or monitor the output power on a strip chart recorder A setup for recording swept measurements is shown in Figure 2 12 Figure 2 12 Test Setup for Recording Swept Measurements To access the Recorder menu press This menu allows you to switch the Recorder Output signal either on or off The...

Page 80: ...to measure is used to determine the value which you should set for the Recorder Output maximum setting For example if you are measuring a power less than 1 mW and greater than 100 µW then set the recorder maximum value to 1 mW To set the maximum value press and enter the appropriate value 3 Press and enter 0 W 4 Press to On 50 dBm 100 W 40 dBm 10 W 30 dBm 1 W 20 dBm 100 mW 10 dBm 10 mW 0 dBm 1 mW ...

Page 81: ... 1 Press 2 Use the and hardkeys to scroll through the displayed files When the required file is highlighted press 3 Press If you require to modify the name of a file 1 Press 2 Use the and hardkeys to scroll through the displayed files When the required file is highlighted press The power meter displays the file name in a pop up window Modify this name see below until the desired name is displayed ...

Page 82: ...HP4402 book chapter2 fm 42 Tue Apr 22 15 20 23 1997 Power Meter Operation Saving and Recalling Power Meter Configurations 2 42 HP EPM 441A User s Guide Figure 2 13 Save Recall Screen ...

Page 83: ...etails how measurements are calculated It shows the position in which the various power meter functions are implemented in the measurement calculation Figure 2 14 How Measurements are Calculated Cal Factor Channel Functions Window Functions Averaging Channel Duty Offset Cycle Display Relative Offset Channel A Upper Window Limits Display Relative Offset Lower Window Recorder Output ...

Page 84: ...ta are not affected by a preset The calibration table selected is not affected Preset Conditions The number of windows displayed is two Measurement units used is set to dBm is set to 50 MHz is set to 100 is set to digital in the upper window and analog in the lower window is set to 20 000 dBm and 70 000 dBm is set to 3 is set to Off is set to 0 dBm is set to Off is set to 0 dBm dBm W Frequency Cal...

Page 85: ... to 1 000 is set to Off is set to 0 dB is set to AUTO is set to 20 000 dBm and 70 000 dBm is set to Off is set to Off is set to 20 000 dBm and 70 000 dBm is set to Off is set to 100 System Inputs Table Off On Filter Off On Filter Duty Cycle Off On Duty Cycle Offset Off On Offset Range Limits Max Min Limits Off On Power Ref Off On Recorder Output Max Power Min Power Output Off On Zero Cal Ref CF ...

Page 86: ...s of tests as listed in HP IB Testing on page 2 49 Power On Self Test The power on self test is performed automatically when the power meter is turned on and takes approximately 10 seconds to complete The power on self test consists of the following tests Battery Calibrator Measurement Assembly Refer to Test Descriptions on page 2 50 if you require a description of each individual test As the powe...

Page 87: ... be run individually Information on the instrument self test and confidence check are described on page 2 48 Refer to Test Descriptions on page 2 50 if you require a description of the other tests When an individual test is selected the message Testing appears next to the name of the test When the test is complete the message Testing is replaced by either the message Passed or Failed This pass fai...

Page 88: ...ires you to carry out the following procedure Instructions are also displayed on the screen 1 Connect the power sensor to the POWER REF output Refer to Table 2 1 on page 2 7 for connection requirements for the HP 8480 series power sensors The power reference signal is turned on automatically after any key is pressed 2 The power meter automatically makes a power measurement If the measured error is...

Page 89: ...brator Measurement Assembly Communications Assembly Implicit The communications assembly is tested implicitly in that the command will not be accepted or return a result unless the HP IB interface is functioning correctly Refer to Test Descriptions on page 2 50 if you require a description of each individual test When the TST command is executed the screen is cleared As each test takes place the n...

Page 90: ...details on these error messages ROM Checksum This test calculates the checksum of the firmware and checks it against the pre defined checksum stored on the ROM A pass or a fail result is returned RAM This test carries out a read and write test on the instrument RAM Battery When the firmware is first downloaded a known value is written into a battery backed memory location This test verifies that t...

Page 91: ...showing all the keys which were not selected Display Three tests are available for the display the display assembly display RAM and bitmap display A read write is performed on the display RAM If the value which is written is read back correctly a pass is recorded otherwise a fail is recorded The liquid crystal display light emitting diode LCD LED control circuits are tested by making separate volt...

Page 92: ...rear panel For all voltages the power meter uses a 250 V F3 15AH 20mm fast blow fuse with high breaking capacity HP part number 2110 0957 Note The power meter also has an internal fuse If you suspect that this fuse needs replaced it must be done by trained service personnel Please refer to Returning Your Power Meter for Service on page 2 59 Replacing the Power Line Fuse 1 Remove the power cord fro...

Page 93: ...wish to return the power meter to Hewlett Packard refer to Returning Your Power Meter for Service on page 2 59 Before calling Hewlett Packard Before calling Hewlett Packard or returning the power meter for service please make the checks listed in Check the Basics on page 2 54 If you still have a problem please read the warranty printed at the front of this guide If your power meter is covered by a...

Page 94: ... is in working condition Check that the other equipment cables and connectors are connected properly and operating correctly Check the equipment settings in the procedure that was being used when the problem occurred Check that the test being performed and the expected results are within the specifications and capabilities of the power meter Check the power meter display for error messages Refer t...

Page 95: ...the identification number for each option built into the instrument The serial number is divided into two parts the prefix two letters and the first four numbers and the suffix the last four numbers The prefix letters indicate the country of manufacture This code is based on the ISO international country code standard and is used to designate the specific country of manufacture for the individual ...

Page 96: ...c Hong Kong 852 2599 7889 India 91 11 647 2311 Japan Hewlett Packard Japan Ltd Measurement Assistance Center 9 1 Takakura Cho Hachioji Shi Tokyo 192 Japan Tel 81 426 56 7832 Fax 81 426 56 7840 Korea 82 2 769 0800 Malaysia 60 3 291 0213 Philippines 63 2 894 1451 PRC 86 10 6505 0149 Singapore 1800 292 8100 Taiwan 886 3 492 9666 Thailand 66 2 661 3900 For countries in Asia Pacific not listed contact ...

Page 97: ...trum Way Mississauga Ontario L4W 5G1 905 206 4725 In Europe Africa and Middle East please call your local HP sales office or representative Austria 1 25000 0 Belgium and Luxembourg 02 778 3417 Baltic Countries 358 08872 2100 Czech Republic 0042 2 4743111 Denmark 45 99 10 00 Finland 90 88 721 France 0 1 69 29 41 14 Germany 0180 532 62 33 Greece 1 7264045 Hungary 1 252 4705 Ireland 01 284 4633 Israe...

Page 98: ...urope Geneva Switzerland Tel 41 22 780 4111 Fax 41 22 780 4770 Latin America Hewlett Packard Latin American Region Headquarters 5200 Blue Lagoon Drive 9th Floor Miami Florida 33126 USA 305 267 4245 4220 United States Hewlett Packard Company Test and Measurement Organization 5301 Stevens Creek Blvd Bldg 51L SC Santa Clara CA 95052 8059 1 800 452 4844 In any correspondence or telephone conversations...

Page 99: ...ting in the carton Styrene pellets cause power meter damage by generating static electricity and by lodging in the rear panel 2 Use the original packaging materials or a strong shipping container that is made of double walled corrugated cardboard with 159 kg 350 lb bursting strength The carton must be both large enough and strong enough to accommodate the power meter and allow at least 3 to 4 inch...

Page 100: ...HP4402 book chapter2 fm 60 Tue Apr 22 15 20 23 1997 Power Meter Operation Contacting Hewlett Packard 2 60 HP EPM 441A User s Guide ...

Page 101: ...HP4402 book chapter3 fm 1 Tue Apr 22 15 20 23 1997 3 Menu Reference ...

Page 102: ...3 2 HP EPM 441A User s Guide 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 9 details the menus descriptively ...

Page 103: ...els have numeric values displayed under them These values show the current setting of that softkey Since these values are variable they are shown in a grayed out text on the following menu maps dBm W Menu 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 furth...

Page 104: ... 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 Meas Setup Menu Freq Cal Fac Frequency Cal Fac 50 00MHz 100 0 Display Resolution Meas Setup Meter Anlg Mtr Max Min Format 1 2 3 4 Dgtl Anlg Scaling 70 000 dBm 20 000 dBm ...

Page 105: ...ll Menu 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 Rel Offset Rel Rel Offset Offset Off On Off On 0 000dB Save Recall Done Save Recall Enter Insert Edit Cancel Name Char Delete Char ...

Page 106: ...tkey labels appears grayed out Refer to the appropriate softkey descriptions for further information Off On System Inputs HP IB Sensor Cal Input Power Ref Edit Cal Table HP IB Addr Command SCPI HP 437B Change Insert Delete Done Duty Cycle Done Duty Cycle Set Table Off On Tables Settings Off On Range Off On Limits Offset More Off On Offset Filter Filter 13 1 000 0 000 dB AUTO AUTO Limits Off On Max...

Page 107: ...System Inputs Error Recorder Service Clear Output Max Power More List Errors Off On 20 000 dBm Min Power 70 000 dBm Output Next Done Version Instrument Confidence Individual Self Test Check Set Contrast Set Brightness Calibrator Keyboard Display Display Display Bitmap More Assy RAM Displays Display ROM RAM Measure Checksum Battery Assembly Self Test ...

Page 108: ... HP EPM 441A User s Guide Zero Cal Menu 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 Zero Cal Zero Cal Ref CF Power Ref 100 0 Off On ...

Page 109: ...ects 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 dBm Watts menu which allows you to select the measurement units These can either be logarithmic dBm or dB or linear Watt or The def...

Page 110: ...ed on channel A in the range of 0 1 MHz to 999 999 GHz The default value is 50 MHz Use the and hardkeys to change the frequency To confirm your choice press the appropriate frequency unit Entering a frequency using this softkey is only possible when you have a sensor calibration table selected or you are using an HP E series power sensor Sensor Model Sensor Calibration Table Selected Sensor Calibr...

Page 111: ...de 3 11 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 Cal Fac ...

Page 112: ...for the analog display Press this softkey to toggle between an analog and digital display Refer to Selecting a Digital or Analog Display on page 2 33 for further information Press this softkey to access a menu which allows you to enter the maximum and minimum scale limits shown on the analog display Press this softkey to enter the maximum scale value shown on the analog display Press this softkey ...

Page 113: ...el operation A confirmation pop up window is displayed prior to a preset being carried out Presetting the power meter returns you to the Contrast menu However if you are in remote mode that is HP IB operation then pressing this hardkey places the power meter in local mode provided local lock out LLO is not enabled When reverting to local mode the power meter triggering is set to free run Press thi...

Page 114: ...ue on or off The default is Off The reference value is set using Press this softkey to use the current reading as the reference value This allows you to compare any measurement result in dB or percentage is automatically set to On when is pressed Press this softkey to toggle the display offset value on or off The default is Off The offset value is set using Press this softkey to enter a display of...

Page 115: ...s highlighted press Press this softkey to change a file name First use the and hardkeys to scroll between the displayed files When the file name you require to change is highlighted press A pop up window appears on the screen Use the and keys to change the file name To confirm your choice press Press this softkey to accept your edited file name as a new name Press this softkey to insert an additio...

Page 116: ...s on the screen Use the and hardkeys to change the value To confirm your choice press Refer to HP IB Address on page 2 37 for further information Press this softkey to access a menu which allows you to select the remote programming language you want to use Refer to Programming Language Selection on page 2 38 for further information Press this softkey to select SCPI Standard Commands for Programmab...

Page 117: ...u are prompted to enter the frequency and calibration factor The entry is inserted in ascending frequency order Press this softkey to delete a sensor calibration table entry If you delete the frequency the corresponding calibration factor is also removed and vice versa Press this softkey to return to the measurement screen The softkeys from the first level of the System Inputs menu are displayed P...

Page 118: ...is 1 000 Use the and hardkeys to change the value To confirm your choice press is automatically set to On when a value is entered using Refer to Measuring Pulsed Signals on page 2 28 for further information Press this softkey to toggle the channel offset value on or off The default is Off The offset value is set using Press this softkey to enter a channel offset in the range of 100 dB to 100 dB Th...

Page 119: ...r choice press the appropriate measurement units must be greater than Press this softkey to enter the lower measurement limit in the range 150 dBm to 230 dBm The default value is 90 00 dBm Use the and hardkeys to change the value To confirm your choice press the appropriate measurement units must be less than Press this softkey to switch the POWER REF output on or off This output is used as the si...

Page 120: ...c voltage that corresponds to the selected input channel power level in Watts Press this softkey to enter the input power level that you want to represent the 1 Vdc maximum output voltage of the Recorder Output Press this softkey to enter the input power level that you want to represent the 0 Vdc minimum output voltage of the Recorder Output Press this softkey to access a menu which allows you to ...

Page 121: ...or further information Press this softkey to make internal voltage measurements on the 50 MHz reference oscillator Press this softkey to verify that the keys are functioning correctly Once you enter this test you are prompted to press all the keys and verify the correct descriptions are displayed on the screen Press this softkey to access a menu of various front panel display patterns Press this s...

Page 122: ...key to increase the display contrast Press this softkey to decrease the display contrast Press this softkey to set the default contrast to that currently displayed Note this key changes the factory default setting Press this softkey to set the brightness Note this key changes the factory default setting Press this softkey to display the model number option structure serial number firmware bootrom ...

Page 123: ...s used as the signal source for calibration and is automatically switched on during this procedure Press this softkey to enter a reference calibration factor for channel A A value in the range of 1 to 150 can be entered The default value is obtained from the sensor calibration table if one is selected otherwise it is 100 Use the and hardkeys to change the value To confirm your choice press This so...

Page 124: ...e screen 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 right on the currently selected parameter select fields for editing on the Edit Table screen Press this hardkey to decrement the alphanumeric digit on which the cursor is currently positioned That is digits scroll 9 through 0 and chara...

Page 125: ...reen select a file in the Save and Recall screens Press this hardkey 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 Any measurement setup you create using and is implemented in the selected window Press this hardkey to choose from a one or a two window display Press this hardkey to switch the power meter be...

Page 126: ...HP4402 book chapter3 fm 26 Tue Apr 22 15 20 23 1997 Menu Reference Front Panel Menu Reference Diagramatical Keys 3 26 HP EPM 441A User s Guide ...

Page 127: ...HP4402 book chapter4 fm 1 Tue Apr 22 15 20 23 1997 4 Error Messages ...

Page 128: ...e error queue If there are any errors in the error queue the front panel error annunciator is displayed as shown in Figure 4 1 Other errors can also be generated when the power meter is being operated over the remote interface These errors also display the error annunciator and are written to the error queue Figure 4 1 Error Annunciator Position To read the error queue from the front panel press t...

Page 129: ...ror 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 When all errors have been read from the queue further error queries return 0 No errors To delete all the errors in the queue from the front panel press then To delete all the errors in the queue remotely use the CLS cl...

Page 130: ... colon semicolon or blank space or you may have used a blank space instead of a comma For example OUTP ROSC 1 105 GET not allowed A Group Execute Trigger GET is not allowed within a command string 108 Parameter not allowed More parameters were received than expected for the command You may have entered an extra parameter or added a parameter to a command that does not accept a parameter For exampl...

Page 131: ...oo large A numeric parameter was found whose exponent was larger than 32 000 For example SENS COUN 1E34000 124 Too many digits A numeric parameter was found whose mantissa contained more than 255 digits excluding leading zeros 128 Numeric data not allowed A numeric value was received within a command which does not accept a numeric value For example MEM CLE 24 131 Invalid suffix A suffix was incor...

Page 132: ...ameter type For example LIM STAT ON 161 Invalid block data A block data element was expected but was invalid for some reason For example DDT 15FET The 5 in the string indicates that 5 characters should follow whereas in this example there are only 3 168 Block data not allowed A legal block data element was encountered but not allowed by the power meter at this point For example SYST LANG 15FETC 17...

Page 133: ...lected 222 Data out of range A numeric parameter value is outside the valid range for the command For example SENS FREQ 2KHZ 224 Illegal parameter value A discrete parameter was received which was not a valid choice for the command You may have used an invalid parameter choice For example TRIG SOUR EXT 226 Lists not same length This occurs when SENSe CORRection CSET STATe is set to ON and the freq...

Page 134: ...command because either no power sensor is connected or it expects an HP E series power sensor and one is not connected 310 System error Dty Cyc may impair accuracy with ECP sensor This indicates that the sensor connected 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 Refe...

Page 135: ... memory than was available to run an internal operation 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 53 for details of what to do with your faulty power meter 330 Self test Failed Measurement Channel Fault Refer to Measurement Assembly on page 2 50 if you require a description of the Measur...

Page 136: ...a from a previous command the previous data is not overwritten The output buffer is cleared when power has been off or after RST reset command has been executed 420 Query UNTERMINATED The power meter was addressed to talk that is to send data over the interface but a command has not been received which sends data to the output buffer For example you may have executed a CONFigure command which does...

Page 137: ...HP4402 book chapt5_2 fm 1 Tue Apr 22 15 20 23 1997 5 Specifications ...

Page 138: ...s operating and environmental range unless otherwise stated and after performing a zero and calibration Supplemental characteristics which are shown in italics are intended to provide information useful in applying the power meter by giving typical but nonwarranted performance parameters These characteristics are shown in italics or denoted as typical nominal or approximate For information on meas...

Page 139: ...or dependent Power Sensors Compatible with all HP 8480 series power sensors and HP ECP series power sensors Single Sensor Dynamic Range 90 dB maximum HP ECP series power sensors 50 dB maximum HP 8480 series power sensors Display Units Absolute Watts or dBm Relative Percent or dB Display Resolution Selectable resolution of 1 0 0 1 0 01 and 0 001 dB in logarithmic mode or 1 2 3 and 4 significant dig...

Page 140: ...sor manual to assess overall system accuracy Zero Set digital settability of zero Power sensor dependent refer to Table 5 1 For HP ECP series power sensors this specification applies when zeroing is performed with the sensor input disconnected from the POWER REF Table 5 1 Zero Set Specifications Power Sensor Zero Set HP 8481A 50 nW HP 8481B 50 µW HP 8481D 20 pW HP 8481H 5 µW HP 8482A 50 nW HP 8482...

Page 141: ...97 Specifications Power Meter Specifications HP EPM 441A User s Guide 5 5 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 ...

Page 142: ...ncy 50 MHz nominal SWR 1 05 maximum Connector Type N f 50 Ω Measurement Speed Over the HP IB three measurement speed modes are available as shown along with the typical maximum measurement speed for each mode Normal 20 readings second x2 40 readings second Fast 200 readings second for HP ECP series power sensors only Maximum measurement speed is obtained using binary output in free run trigger mod...

Page 143: ... for a particular power sensor with the number of averages set to 16 for normal mode and 32 for x2 mode Use the Noise Multiplier for the appropriate mode normal or x2 and number of averages to determine the total measurement noise value For example for an HP 8481D power sensor in normal mode with the number of averages set to 4 the measurement noise is equal to 45 pW x 2 75 124 pW Table 5 2 Noise ...

Page 144: ...viations For HP ECP series power sensors the measurement noise is measured within the low range Refer to the relevant power sensor manual for further information Power Sensor Zero Drift1 Measurement Noise2 HP 8481A 10 nW 110 nW HP 8481B 10 µW 110 µW HP 8481D 4 pW 45 pW HP 8481H 1 µW 10 µW HP 8482A 10 nW 110 nW HP 8482B 10 µW 110 µW HP 8482H 1 µW 10 µW HP 8483A 10 nW 110 nW HP 8485A 10 nW 110 nW HP...

Page 145: ... 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 5 33 10 dB 10 dB 10 dB 20 dB Maximum dBm Minimum dBm Power 150 ms 6 6 s 500 ms 200 ms Settling Times Sensor Dynamic Range 10 dB 10 dB 10 dB 20 dB Maximum dBm Minimum dBm Power Settling Times Sensor Dynamic Range 10 dB 10 dB 10 dB 20 dB Maximum dBm Minimum dBm Power Settling Times Sensor Dynamic Range 10 dB 10...

Page 146: ...1 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 For HP ECP series power sensors in normal and x2 speed modes manual filter 10 dB decreasing power step Table 5 5 Settling Time Number of Averages 1 2 4 8 16 32 64 128 256 512 1024 Settling Time s Normal Mode 0 07 0 12 0 21 0 4 1 1 8 3 3 6 5...

Page 147: ...ilter default resolution 10 dB decreasing power step normal and x2 speed modes 10 dB 10 dB 10 dB 60 dB Maximum dBm Minimum dBm Power Sensor 40 ms 3 4 s 210 ms 70 ms Settling Times Typical Dynamic Range 10 dB 10 dB 10 dB 60 dB Maximum dBm Minimum dBm Power Sensor 70 ms 6 5 s 400 ms 120 ms Settling Times Typical Dynamic Range Normal Mode x2 Mode ...

Page 148: ...d within the power meter by digitally correcting for residual offsets Zero Drift This parameter is also called long term stability and is the change in the power meter indication over a long time usually one hour for a constant input power at a constant temperature after a defined warm up interval Measurement Noise This parameter is also known as short term stability and is specified as the change...

Page 149: ...r Panel Connectors Recorder Output Analog 0 1 Volt 1 kΩ output impedance BNC connector HP IB Allows communication with an external controller Ground Binding post accepts 4 mm plug or bare wire connection Line Power Input Voltage Range 85 to 264 Vac automatic selection Input Frequency Range 47 to 63 Hz Power Requirement approximately 50 VA 14 Watts ...

Page 150: ...ty Standard EN 50082 1 1992 and Radiated Interference Standard EN 55011 1991 CISPR11 1990 Group 1 Class A Operating Environment Temperature 0ºC to 55ºC Maximum Humidity 95 at 40ºC non condensing Minimum Humidity 15 at 40ºC non condensing Maximum Altitude 3 000 meters 9 840 feet Location For use indoors Storage Conditions Storage Temperature 20ºC to 70ºC Non Operating Maximum Humidity 90 at 65ºC no...

Page 151: ...3 7 in Weight Net 4 0 Kg 8 8 lb Shipping 7 9 Kg 17 4 lb Safety Conforms to the following Product Specifications EN61010 1 1993 IEC 1010 1 1990 A1 CSA C22 2 No 1010 1 1993 EN60825 1 1994 IEC 825 1 1993 Class 1 Low Voltage Directive 72 23 EEC Remote Programming Interface HP IB interface operates to IEEE 488 2 Command Language SCPI standard interface commands HP 437B code compatible HP IB Compatibili...

Page 152: ...HP4402 book chapt5_2 fm 16 Tue Apr 22 15 20 23 1997 Specifications General 5 16 HP EPM 441A User s Guide Non Volatile Memory Battery Lithium Polycarbon Monoflouride approximate lifetime 5 years at 25ºC ...

Page 153: ...HP E series sensors 2 5 calibration data 2 8 calibration factors 2 8 calibration table 2 12 editing 2 14 selection of 2 12 Calibrator key description 3 21 calibrator self test 2 51 calling Hewlett Packard 2 53 Cancel key description 3 15 carry handle adjusting 1 15 caution v Change key description 3 17 channel connectors option 002 or 003 1 14 channel offset 2 24 character data not allowed error m...

Page 154: ...Table key description 3 17 Edit Name key description 3 15 Enter key description 3 15 environmental characteristics 5 14 Error List key description 3 19 error window 1 12 errors 2 53 4 2 exponent too large error message 4 5 expression data not allowed error message 4 6 F failures 2 31 fail indicator 1 8 fail limits 2 30 field selection 3 24 filter 2 26 Filter key description 3 18 Filter Off On key ...

Page 155: ...key description 3 12 3 19 Max Power key description 3 20 Meas Setup key description 3 12 menu map 3 4 Measure Assembly key description 3 21 measurement assembly self test 2 50 limits 2 30 noise characteristic 5 7 noise definition 5 12 pulsed signals 2 28 relative 2 22 speed 5 6 units 2 20 using calibration tables 2 12 with HP E series sensors 2 8 memory 5 16 save and recall 2 41 menu maps 3 3 menu...

Page 156: ...description 3 21 RAM self test 2 50 Range key description 3 18 range setting of 2 36 rear panel 1 14 recall 2 41 Recall key description 3 15 Recorder Output connector 1 14 2 39 characteristic 5 13 Recorder Output key description 3 20 Ref CF key description 3 23 reference 2 4 setting of 2 22 regulatory information viii Rel key description 3 14 Rel Off On key description 3 14 Rel Offset key descript...

Page 157: ...allowed error message 4 5 suffix too long error message 4 5 switch on 1 3 SWR characteristic of power reference 5 6 symbols 1 12 syntax error error message 4 4 system error error messages 4 8 System Inputs key description 3 16 menu map 3 6 T Table Off On key description 3 17 telephone numbers of Hewlett Packard 2 56 temperature characteristic 5 14 test See self test title 1 8 too many digits error...

Page 158: ...HP4402 book HP4402IX doc 6 Tue Apr 22 15 20 23 1997 Index 6 HP EPM 441A User s Guide ...

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