HP 83481A User Manual
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HP 83481A User Manual

Optical/electrical plug-in module
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User's Guide
HP 83481A
Optical/Electrical
Plug-In Module

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Summary of Contents for HP 83481A

  • Page 1 User's Guide HP 83481A Optical/Electrical Plug-In Module...
  • Page 2 Notice. Restricted Rights Legend.

  • Page 3: Certi Cation

    Certi cation...

  • Page 4: Warranty

    Warranty Limitation of Warranty Exclusive Remedies...
  • Page 5 Assistance Product maintenance agreements and other customer assistance agreements are available for Hewlett-Packard products. For assistance, contact your nearest Hewlett-Packard Sales and Service Oce. Hewlett-Packard Sales and Service Oces U.S. FIELD OPERATIONS Headquarters California, Northern California, Southern Colorado Georgia Illinois New Jersey Texas EUROPEAN FIELD OPERATIONS...
  • Page 6 Hewlett-Packard Sales and Service Oces (continued) INTERCON FIELD OPERATIONS Headquarters Australia Canada China Japan Singapore Taiwan...

  • Page 7: Safety Symbols

    Safety Symbols caution C A U T I O N caution The warning sign denotes a life-threatening hazard. It calls attention to a W A R N I N G procedure which, if not correctly performed or adhered to, could result in injury or loss of life.

  • Page 8: General Safety Considerations

    General Safety Considerations Before this instrument is switched on , make sure it has been properly W A R N I N G grounded through the protective conductor of the ac power cable to a socket outlet provided with protective earth contact. Any interruption of the protective (grounding) conductor, inside or outside the instrument, or disconnection of the protective earth terminal can result in personal injury.
  • Page 9 ....Menu and Key Conventions ....The HP 83481A Optical/Electrical Plug-In Module . . . The purpose of the plug-in module .
  • Page 10 3. Calibration Overview Factory Calibrations ....Mainframe Calibration ....User Calibrations|Optical and Electrical .
  • Page 11 Figures Tables...
  • Page 12 Contents...

  • Page 13: The Instrument At A Glance

    The Instrument at a Glance...
  • Page 14 The Instrument at a Glance What you'll nd in this chapter This chapter describes: options and accessories the key conventions used in this manual the front panel, rear panel and keys that do display menus on the screen lightwave connector care Understanding the information in this chapter will help you successfully operate the instrument.
  • Page 15 The Instrument at a Glance...

  • Page 16: Ordering Information

    Ordering information HP 83481A Service Guide Options Optional accessories Connection devices...

  • Page 17: Menu And Key Conventions

    Menu and Key Conventions Timebase NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Mask Align Shift Stop/Single Shift Local NNNNNNNNNNNNNN Test...
  • Page 18 The Instrument at a Glance Menu and Key Conventions NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Sweep Triggered Freerun NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Sweep Triggered Freerun NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate probe NNNNNNNNNNNNNNNNNNNN Offset...
  • Page 19 The HP 83481A Optical/Electrical Plug-In Mod- N O T E If you wish to use the HP 83481A optical plug-in module in an HP 54750A digitizing oscilloscope, a rmware upgrade must rst be installed. Order the HP 83480K communications rmware kit and...
  • Page 20 The Instrument at a Glance The HP 83481A Optical/Electrical Plug-In Module The purpose of the plug-in module...

  • Page 21: Front Panel Of The Plug-In Module

    The Instrument at a Glance The HP 83481A Optical/Electrical Plug-In Module Front panel of the plug-in module Probe Power Aux Power Probe Power Aux Power Figure 1-1. Front panel of the plug-in module.
  • Page 22 The Instrument at a Glance The HP 83481A Optical/Electrical Plug-In Module Figure 1-2. Block diagram of the plug-in module.

  • Page 23: Getting The Best Performance

    The Instrument at a Glance The HP 83481A Optical/Electrical Plug-In Module Getting the best performance Installing the plug-in module Firmware requirements HP 83480A, 54750A User's Guide. HP 83480A, 54750A Service Guide. C A U T I O N...
  • Page 24 The Instrument at a Glance The HP 83481A Optical/Electrical Plug-In Module C A U T I O N Trigger C A U T I O N...
  • Page 25 The Instrument at a Glance The HP 83481A Optical/Electrical Plug-In Module C A U T I O N...
  • Page 26 Lightwave Connector Care Introduction Lightwave connectors Fiber optic cables Lightwave connectors di er from electrical or microwave system connectors. Connector (or insertion) loss is one important performance characteristic of a lightwave connector.
  • Page 27 The Instrument at a Glance Lightwave Connector Care Causes of connector loss and re ections Achieving the best possible connection,...

  • Page 28: Cleaning And Handling

    The Instrument at a Glance Lightwave Connector Care Cleaning and handling De nition of terms Handling Cleaning C A U T I O N...
  • Page 29 The Instrument at a Glance Lightwave Connector Care Cleaning non-lensed lightwave connectors Equipment : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : C A U T I O N...
  • Page 30 The Instrument at a Glance Lightwave Connector Care Cleaning lightwave adapters Equipment N O T E As noted in a previous caution statement, the foam swabs can leave lmy deposits. These deposits are very thin however, and the risk of other contamination buildup on the inside of adapters greatly outweighs the risk of contamination of foam swab deposits left from cleaning the inside of adapters.
  • Page 31 The Instrument at a Glance Lightwave Connector Care Storage Item HP Part No. Connector Option...

  • Page 32: Making Connections

    The Instrument at a Glance Lightwave Connector Care Making connections...
  • Page 33 The Instrument at a Glance Lightwave Connector Care Summary Inspection Visual inspection...
  • Page 34 The Instrument at a Glance Lightwave Connector Care Optical performance testing Introduction Insertion loss...
  • Page 35 The Instrument at a Glance Return loss...
  • Page 36 The Instrument at a Glance...

  • Page 37: Channel Setup Menu

    Channel Setup Menu...
  • Page 38 C A U T I O N Channel Channel HP 83480A, 54750A User's Quick Start Guide N O T E The plug-in module has both an electrical channel and an optical channel. Although many of the softkeys are similar, some di erences exist. The examples in this book use the optical channel and...
  • Page 39 Channel Setup Menu Figure 2-1. Optical Channel Setup menu.
  • Page 40 Channel Setup Menu Figure 2-2. Electrical Channel Setup menu.

  • Page 41: Displaying The Channel Setup Menus

    Displaying the Channel Setup Menus Channel Channel Display aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Key Path NNNNNNNNNNNNNNNNNNNNNNN Display Channel...
  • Page 42 Channel Setup Menu Displaying the Channel Setup Menus Scale aaaaaaaaaaaaaaaaaaaaaaaaaa Key Path NNNNNNNNNNNNNNNNN Scale Channel...

  • Page 43: Channel Offset

    Channel Setup Menu Displaying the Channel Setup Menus Offset aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Key Path NNNNNNNNNNNNNNNNNNNN Offset Channel...
  • Page 44 Channel Setup Menu Displaying the Channel Setup Menus Bandwidth/Wavelength. . . aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa This function is available only on the electrical channel. NNNNNNNNNNNNNNNNNNNNNNNNNNNNN Bandwidth Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNN Bandwidth Channel NNNNNNNNNNNNNNNNNNNN Filter Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Bandwidth/Wavelength. . . Filter On Off Channel NNNNNNNNNNNNNNNNNNNN Filter...

  • Page 45: Channel Autoscale

    Channel Setup Menu Displaying the Channel Setup Menus Channel autoscale aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Channel autoscale Channel External scale . . . aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN External scale . . . Channel NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Atten units Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN External scale . . . Atten units Channel...
  • Page 46 Channel Setup Menu Displaying the Channel Setup Menus NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Attenuation N O T E Refer to Chapter 3 for information on calibrating to the tip of the probe. Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN External scale . . . Attenuation Channel NNNNNNNNNNNNNNNNN Units Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...
  • Page 47 Channel Setup Menu Displaying the Channel Setup Menus NNNNNNNNNNNNNNNNNNNNNNNNNN Ext gain NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Ext offset Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNN NNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNN External scale . . . Units Volt Ext gain Channel NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Ext Offset NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNN External scale . . . Units Ampere Ext gain...
  • Page 48 Channel Setup Menu Displaying the Channel Setup Menus NNNNNNNNNNNNNN Skew To skew two channels 1. Turn both channels on and overlay the signals vertically. 2. Expand the time base so the rising edges are about a 45 degree angle. 3. Adjust the skew on one of channels so that the rising edges overlap at the 50 percent points. Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNN...

  • Page 49: Current Date

    Channel Setup Menu Displaying the Channel Setup Menus NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Cal status Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Cal Status Channel Figure 2-3. A typical Cal Status display. Current Date Current Frame 1Temp...

  • Page 50: Calibration Status

    Channel Setup Menu Displaying the Channel Setup Menus Calibrated Uncalibrated Channel 1 Calibration Status Uncalibrated Plug-in NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Offset zero Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Offset zero Channel NNNNNNNNNNNNNNNNNNNNNNN O/E cal Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNN Calibrate O/E cal Channel...
  • Page 51 Channel Setup Menu NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate probe NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate probe Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Calibrate probe Channel...
  • Page 52 Channel Setup Menu...

  • Page 53: Calibration Overview

    Calibration Overview...
  • Page 54 Calibration Overview What you'll nd in this chapter Factory Calibrations User Calibrations|Optical and Electrical Complete Calibration HP 83480A, 54750A Service Guide...
  • Page 55 Calibration Overview C A U T I O N Calibration interval Required warm-up time Remote operation 83480A/HP 54750A Programming's Guide...

  • Page 56: Factory Calibrations

    Factory Calibrations Table 3-1. Factory Calibration Summary Calibration What is calibrated Measurements Recommended Softkey Path A ected Interval Utility FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate frame Refer to \O/E User-Wavelength Calibration" in this chapter. Mainframe Calibration...
  • Page 57 Calibration Overview Factory Calibrations HP 83480A, 54750A Service Guide C A U T I O N HP 83480A, C A U T I O N 54750A Service Guide NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Cal status Utility Figure 3-1. Current Frame 1Temp condition...

  • Page 58: O/E Factory Wavelength Calibration

    Calibration Overview Factory Calibrations Current Frame 1Temp O/E Factory Wavelength Calibration...

  • Page 59: User Calibrations|Optical And Electrical

    User Calibrations|Optical and Electrical C A U T I O N...
  • Page 60 Calibration Overview User Calibrations|Optical and Electrical Table 3-2. Optical and Electrical Channel User Calibration Summary Calibration What is calibrated Measurements A ected Recommended Interval Key Path Optical Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFF O/E Cal Utility FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate Plug-in p to p Optical Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate...

  • Page 61: O/E User-Wavelength Calibration

    Calibration Overview User Calibrations|Optical and Electrical Table 3-3. Miscellaneous User Calibration Summary Calibration What is calibrated Measurements A ected Recommended Interval Key Path Electrical Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate probe Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFF Skew Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF External Scale O/E User-Wavelength Calibration...
  • Page 62 The optical channel calibration accuracy is heavily dependent on the accuracy to which you know the optical source power. For best results, measure the optical source power with an optical power meter such as the HP 8153A and use precision optical connectors. In addition, proper connector cleaning procedures are essential to obtaining an accurate calibration.

  • Page 63: Plug-In Module Vertical Calibration

    Calibration Overview User Calibrations|Optical and Electrical To use an O/E SETUP user-wavelength NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Bandwidth/wavelength Wavelength calibration wavelength NNNNNNNNNNN NNNNNNNNNNNNNNNNN Enter Plug-in Module Vertical Calibration To view the temperature change SETUP NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Cal status...
  • Page 64 Calibration Overview User Calibrations|Optical and Electrical To perform a plug-in module vertical calibration NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate. . . Calibrate plug-in. . . Utility NNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNN 1 and 2 3 and 4 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN Start cal O set Zero Calibration...
  • Page 65 Calibration Overview User Calibrations|Optical and Electrical To initiate an o set calibration SETUP NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Offset zero Figure 3-3. O set Zero Calibration...

  • Page 66: Dark Calibration

    Calibration Overview User Calibrations|Optical and Electrical Dark Calibration NNNNNNNNNNNNNNNNNNNNNNNNNN Dark cal To initiate a dark NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Color grade Display calibration NNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNN Meas eye NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNN Extinction ratio ... Dark cal...

  • Page 67: Channel Skew Calibration

    Calibration Overview User Calibrations|Optical and Electrical Figure 3-4. Dark calibration menu Channel Skew Calibration...

  • Page 68: Probe Calibration

    Calibration Overview User Calibrations|Optical and Electrical To skew two channels SETUP NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNN Calibrate Skew Probe Calibration SETUP...
  • Page 69 Calibration Overview User Calibrations|Optical and Electrical NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN External scale Attenuation To calibrate an HP SETUP identi able probe NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Calibrate Probe To calibrate a non-identi able probe SETUP NNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Calibrate Calibrate probe Figure 3-5. Electrical Channel Calibrate Menu...

  • Page 70: External Scale

    Calibration Overview User Calibrations|Optical and Electrical To calibrate other devices SETUP NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN External scale NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNN Atten units Attenuation Units NNNNNNNNNNNNNNNNNNNNNNNNNN Ext gain NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Ext offset External Scale To adjust the external SETUP scale NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN External scale Atten units NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Attenuation...
  • Page 71 Calibration Overview User Calibrations|Optical and Electrical Figure 3-6. External Scale Menu...

  • Page 72: Complete Calibration Summary

    Complete Calibration Summary Table 3-4. Complete Calibration Summary Calibration What is calibrated Measurements A ected Recommended Interval Key Path Utility FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate frame Optical Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFF O/E Cal Utility FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate Plug-in p to p Refer to \O/E User-Wavelength Calibration"...
  • Page 73 Calibration Overview Table 3-4. Complete Calibration Summary (continued) Calibration What is calibrated Measurements A ected Recommended Interval Key Path Optical Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFF Offset 0 p to p Shift Meas eye FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Extinction ratio FFFFFFFFFFFFFFFFFFFFFFFF Dark Cal Electrical Channel Setup FFFFFFFFFFFFFFFFFFFFFFFFFF Calibrate FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...
  • Page 74 Calibration Overview...
  • Page 75 Speci cations and Characteristics...
  • Page 76 Speci cations and Characteristics HP 83480A, 54750A User's Guide Speci cations Characteristics Calibration cycle...

  • Page 77: Speci Cations

    Speci cations HP 54701A Active Probe Service Guide...
  • Page 78 Speci cations and Characteristics Speci cations Vertical speci cations Electrical Channel Transition Time (10%{90%) calculated from T=0.35/BW, typical 12.4 GHz 28.2 ps 20 GHz 17.5 ps Maximum Noise (RMS) 12.4 GHz 0.5 mV (0.25 mV typical) 20 GHz 1 mV (0.5 mV typical) It is recommended that a user vertical calibration be performed after every 10 hours of continuous use or if the temperature has changed by greater than 2 from the previous vertical calibration.
  • Page 79 Speci cations and Characteristics Speci cations Electrical Channel Maximum Safe Input Voltage 16 dBm peak ac 2V dc...
  • Page 80 Speci cations and Characteristics Speci cations Optical Channel (dc to 3.0 GHz characteristic) Transition Time (10%{90% 245 ps, un ltered mode calculated from T=0.48/BW optical) RMS Noise, 2 GHz or ltered mode Typical < Maximum < Exceeding the speci ed input power level will cause waveform distortion. Referenced to average power monitor.
  • Page 81 Speci cations and Characteristics Speci cations Optical Channel < Wavelength Range 1000{1600 nm A user calibration can be performed with average optical power levels from 100 to 400 W, however, the instrument optical accuracy speci cation is only vaild for average optical calibration powers of 200...

  • Page 82: Power Requirements

    Speci cations and Characteristics Speci cations Environmental speci cations Electrical and Optical Channels Power requirements Weight...

  • Page 83: Trigger Input Characteristics

    Characteristics HP 54701A Active Probe Service Guide Trigger input characteristics Electrical and Optical Channels Nominal Impedance 50 Input Connector 3.5 mm (m) Trigger Level Range Maximum Safe Input Voltage 2 Vdc + ac peak (+16 dBm) Percent Re ection 10% for 100 ps rise time...

  • Page 84: Declaration Of Conformity

    Declaration of Conformity...
  • Page 85 In Case of Diculty...
  • Page 86 This chapter provides a list of suggestions for you to follow if the plug-in module fails to operate. A list of messages that may be display is also included. For complete service information, refer to the optional HP 83481A Service Guide...

  • Page 87: If You Have Problems

    If You Have Problems If the mainframe does not operate without HP 83480A, 54750A Service Guide...

  • Page 88: If The Plug-In Does Not Operate

    In Case of Diculty If You Have Problems If the plug-in does not operate NNNNNNNNNNN Autoscale Trigger NNNNNNNNNNNNNNNNN Sweep NNNNNNNNNNNNNNNNNNNNNNN freerun NNNNNNNNNNNNNNNNNNNNNNNNNNNNN triggered Channel NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Display on off...
  • Page 89 In Case of Diculty If You Have Problems Utility NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN System config... Plug-ins ~known ~known HP 83481A Service Guide HP 83481A Service Guide...

  • Page 90: Error Messages

    Error Messages HP 83481A Service Guide HP 83480A, 54750A Service Guide HP 83480A, 54750A User's Guide Memory error occurred in plug-in : Try reinstalling plug-in Busy timeout occurred with plug-in : Try reinstalling plug-in...
  • Page 91 In Case of Diculty Communication failure exists at slot : Service is required HP 83480A, 54750A Service Guide HP 83481A Service Guide ID error occurred in plug-in : Service is required Cal not possible...
  • Page 92 In Case of Diculty...
  • Page 93 Index...
  • Page 94 Index accessories connection devices, 1-4 optional, 1-4 accuracy performance, 1-11 active probe, 2-7 attenuation range, 2-10 Attenuation softkey, 2-10 attenuator, scaling, 2-9 Atten units softkey, 2-9 automatic measurement, 2-5 auxiliary power connector, 1-9 Bandwidth key, 2-8 Bandwidth/Wavelength . . . softkey, 2-8 Bessel-Thomson lter, 1-2, 2-8 Calibrate probe softkey, 2-15 Calibrate softkey, 2-11...
  • Page 95 electrical, 1-2 input, 1-9 optical, 1-2 scale, 2-10 setup, 2-2 Channel 1 Calibration Status message, 2-14 Channel autoscale softkey, 2-9 Channel key, 2-2 characteristics, 4-9 compatability of connectors, 1-20 connection devices, 1-4 connector care, 1-14{19 cleaning, 1-16 handling, 1-16 lensed, 1-18 non-lensed, 1-17 connector interface, 1-20 Current Date message, 2-13...
  • Page 96 factory calibration, 3-4 ber ends inspection, 1-21 Filter key, 2-8 rmware requirements, 1-11 front panel overview, 1-9 horizontal waveform, 2-12 insertion loss, 1-22 insertion technique for connectors, 1-20 installing the plug-in module, 1-11 key conventions, 1-5 lensed connector care, 1-18 lightwave adapters, 1-18 lightwave connector care, 1-14{19 mainframe calibration, 3-4...
  • Page 97 optical-to-electrical converter scaling, 2-9 optional accessories, 1-4 options, 1-4 ordering information, 1-4 Plug-in message, 2-14 plug-in module description, 1-2 features, 1-7 front panel, 1-9 installation, 1-11 power requirements, 4-8 purpose, 1-8 speci cations, 4-3{8 troubleshooting, 5-4 weight, 4-8 plug-in module vertical calibration, 3-11 power level, 2-7 power requirements, 4-8 probe...
  • Page 98 technical assistance, v temperature change, 2-13{14 torque requirements for connectors, 1-20 trigger external, 1-12 input characteristics, 4-9 level, 2-10 source, 2-5 troubleshooting, 5-3{7 Units softkey, 2-6, 2-10 user calibrations, 3-7 vertical calibration, 1-11 measurement, 2-10 scale, 2-5{6, 2-9 speci cations, 4-4 waveform, 2-7 visual inspection of ber ends, 1-21 voltage...

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