Agilent Technologies 8481B Spezifikationen PDF herunterladen (Seite 4)

ii Agilent E4418B/E4419B Service Guide

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Printed in the UK.

4402serv.book Page ii Tuesday, October 14, 2003 3:18 PM

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マニュアル・チェンジ 2
Service Guide 3
Printed in the UK 4
Legal Information 5
Limitation of Warranty 6
Exclusive Remedies 6
Equipment Operation 7
General Safety Considerations 8
Markings 8
IEC 1010-1 Compliance 9
Statement of Compliance 9
User Environment 9
Installation Instructions 9
List of Related Publications 10
Sales and Service Offices 11
Latin America: 12
United States: 12
About this Guide 14
Table of Contents 15
Specifications 19
Power Meter Specifications 21
Accuracy 22
1 mW Power Reference 23
Measurement Speed 24
Zero Drift of Sensors 24
Measurement Noise 25
Settling Time 27
12481632641282565121024 28
Power Sensor Specifications 30
General Characteristics 32
Environmental Characteristics 33
Dimensions 34
Remote Programming 35
Non-Volatile Memory 35
Performance Tests 37
Equipment Required 39
Performance Test Record 40
Calibration Cycle 40
Test Procedures 40
Zero Test 41
Procedure 42
Test Setup 44
Test Procedure 2 47
Equipment 47
Power Reference Level Test 51
Description 56
Specification 59
Table 2-7: Output SWR Result 65
Max Actual Result 65
Adjustments 69
Post-Repair Adjustments 71
Measurement Uncertainty 78
Theory of Operation 81
A2 Processor Assembly 84
A3 Front Panel Assembly 87
A4 Comms Assembly 88
A5 Daughter Assembly 89
A6 Measurement Assembly 90
Assembly Part Numbers 97
Power Supply Assembly Types 99
Front Panel Connector Repair 100
Firmware Upgrades 101
Replaceable Parts 102
Removing the A7 Fan Assembly 107
Assembly 112
(Options 002 and 003) 113
(Option 003) 115
Troubleshooting 119
Introduction 120
Appendix A 129
Instrument Accuracy Test 129
Measurement Introduction 130
Uncertainties 131
Define the Measurand 131
Sensitivity Coefficients Ci: 136
Expanded Uncertainty kuc(y): 137
Appendix B 139
Reference Level Test 139
Uncertainty Equation 142
Mismatch 143
Calibration factor 145
Resistance 146
Repeatability 146
Sensitivity Coefficients (Ci) 148
Expanded Uncertainty 150

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