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Agilent Technologies e4418b, e4419b manual Agilent E4418B/E4419B Service Guide

Models: e4419b e4418b

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Troubleshooting Specifications General Characteristics Install Worst case error on 0.1V range Warranty Dimension Suggested Diagnostic Equipment Test Setup Front Panel Connector Repair

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Replaceable Parts

Assembly and Disassembly Guidelines

5-20	Agilent E4418B/E4419B Service Guide

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Agilent Technologies e4418b, e4419b manual Agilent E4418B/E4419B Service Guide

Page 103 Page 105

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Contents

Service Guide Page Certification WarrantyLegal Information Limitation of Warranty Exclusive Remedies Personal Safety Considerations Equipment Operation General Safety Considerations Markings Installation Instructions IEC 1010-1 ComplianceStatement of Compliance User Environment List of Related Publications Sales and Service Offices Asia PacificJapan Australia/New Zealand United States EuropeLatin America Returning Your Power Meter for Service Package the Power Meter for Shipment About this Guide Table of Contents Page Measurement Uncertainty Analysis Instrument Accuracy Test1 Measurement Uncertainty Analysis Power Reference Level Test1 Specifications Introduction Power Meter Specifications Meter Instrumentation Zero Set Specifications Power SensorAccuracy MW Power Reference1 MHz nominal Zero Drift of Sensors Power Meter Supplemental CharacteristicsMeasurement Speed Averages Measurement NoiseNoise Multiplier Number Power Sensor Specifications± Zero Drift Measurement Noise For Agilent 8480 series power sensors Normal Mode X2 ModeSettling Time Settling Time Number For Agilent E-series power sensors Normal Mode X2 Mode Maximum dBm Power Sensor Specifications Definitions Zero SetZero Drift Measurement Noise Battery Option 001 Operational Characteristics General Characteristics Rear Panel Connectors Environmental Characteristics General ConditionsOperating Environment Storage Conditions Dimensions WeightSafety General Remote Programming Non-Volatile Memory Agilent E4418B/E4419B Service Guide Performance Tests User’s Guide Required Equipment Model Number Critical Specification Usage Equipment Required Test Procedures Performance Test RecordPerformance Tests Calibration Cycle Specification Test SetupZero Test Description Procedure Range Polarity Normal Function Standby Line Test Procedure Instrument Accuracy Test Instrument Accuracy Test Setup Sy stem 100 ∝W 230 ∝W Instrument Accuracy Average Path Test Setup Chassis of the 11683A option H01 range calibrator unless Power meter is connectedThere is a small risk of mild electrical shock from SET Value 0 Zero Function DC Output OFF Instrument Accuracy Results Power Reference Level Test Electrical Performance Conditions Characteristics Limits Power Reference Level Test Power Reference Level Test Setup Press , Power Ref On Agilent E-Series Power Sensor Interface Test Agilent E-Series Power Sensor Functional Test Sensor Functional Test Setup Sensor Functional Test Setup with Attenuator Agilent E4418B/E4419B Service Guide Power Reference Performance Test RecordInstrument Accuracy Interface Test Agilent E4418B/E4419B Service Guide Adjustments Safety Considerations Post-Repair Adjustments Power Reference Oscillator Frequency Adjustment A2L9 Adjustment Location Power Reference Oscillator Level Adjustment Equation Applied to the Agilent 478A Connect the equipment as shown in -3. The leads should be A2R90 Adjustment Location Measurement Uncertainty Display Brightness and Contrast Adjustment Introduction Agilent E4418B/E4419B Service Guide Theory of Operation Theory of Operation A1 Power Supply/Battery Charger A2 Processor Assembly A2 Processor Assembly Provide platform for the system software to run on, comprise A3 Front Panel Assembly A4 Comms Assembly A5 Daughter Assembly A6 Measurement Assembly A6 Measurement Assembly A8 Rechargeable Battery Assembly A8 Rechargeable Battery Assembly Agilent E4418B/E4419B Service Guide Replaceable Parts Replaceable Parts Assembly Part Numbers Reference Description Agilent Part Designator Number BT2 Power Supply Assembly Types 0950-2649 Power Supply Assembly Front Panel Connector Repair Firmware Upgrades Downloading Firmware Assembly and Disassembly Guidelines Removing the Power Meter CoverPower supply assembly Severe or fatal injury Removing the A1 Power Supply Assembly Removing the A2 Processor Assembly Removing the A4 Comms Assembly Removing the A5 Daughter or A6 Measurement Assemblies Removing the A7 Fan Assembly Removing the Power Meter RAM Battery BT1 Battery terminals or to excessive heat Removing the A3 Front Panel Assembly Replacing the Front Panel Power Sensor Cable Assemblies Agilent E4418B/E4419B Service Guide Replacing the Front Panel Power Reference Cable Assembly Rear panel sensor retaining clip recess Agilent E4418B/E4419B Service Guide Assembly and Disassembly Guidelines Replacing the Rear Panel Recorder Outputs Cable Assembly Take the form of an Earth Continuity Test, Hi-Pot Test, etc Replacing The Chassis AssemblyStripe Agilent E4418B/E4419B Service Guide Troubleshooting Suggested Diagnostic Equipment CTS Troubleshooting Guide -Upper Window TTL Output End Troubleshooting Guide Lower Window TTL Output Remove A2 Processor assy, as directed on Troubleshooting Guide TTL Inputs Dual A2 Processor assy defective A4 Comms assy defective Troubleshooting Guide RS232/422 Interface Appendix a Figure A-1 Measurement Setup Measurement Introduction Define the Measurement Equation UncertaintiesDefine the Measurand Uncertainty Equation TSE 3458A DMM Uncertainty Standard Uncertainty uxiTable A-1 Standard Uncertainty Results Worst case error on 0.1V range Voltage Error Distribution Standard UncertaintyWorst case error on 1V range Worst case error on 10V range Worst case error on 15.8V maximum power setting Table A-2 Voltage Correction Multiplier Power mW Sensitivity Coefficients Ci Table A-3 Combined Standard Uncertainty Power Combined Standard Uncertainty ucyExpanded Uncertainty kucy UMV Ucy Converted Agilent E4416A/E4417A Service Guide Appendix B Pmeas = Figure B-1 Measurement Setup Uncertainty Equation MsUncertainty = 1 ⁄ 1±2PsPd Mismatch Voltage measurement Uncertainty Vswr Calibration factor Sensor Calibration Factor Drift Resistance Repeatability Table B-1 Measurement Repeatability Results Max 999647 999566084 Average 67E-05 01868E-05 1 V Vcomp Expanded Uncertainty UCF Index Cable replacement 5-16,5-19 Connector characteristics Index-4 Agilent E4418B/E4419B Service Guide

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