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Agilent Technologies e4419b, e4418b manual Theory of Operation

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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Theory of Operation

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Agilent Technologies e4419b, e4418b manual Theory of Operation

Page 70 Page 72

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Contents

Service Guide Page Certification WarrantyLegal Information Exclusive Remedies Limitation of Warranty Equipment Operation Personal Safety Considerations Markings General Safety Considerations User Environment Installation InstructionsIEC 1010-1 Compliance Statement of Compliance List of Related Publications Australia/New Zealand Sales and Service OfficesAsia Pacific Japan United States EuropeLatin America Package the Power Meter for Shipment Returning Your Power Meter for Service About this Guide Table of Contents Page Measurement Uncertainty Analysis Instrument Accuracy Test1 Measurement Uncertainty Analysis Power Reference Level Test1 Specifications Introduction Meter Power Meter Specifications Instrumentation Zero Set Specifications Power SensorAccuracy MHz nominal MW Power Reference1 Zero Drift of Sensors Power Meter Supplemental CharacteristicsMeasurement Speed Averages Measurement NoiseNoise Multiplier Number Zero Drift Measurement Noise Power Sensor Specifications± Settling Time Number For Agilent 8480 series power sensorsNormal Mode X2 Mode Settling Time For Agilent E-series power sensors Normal Mode X2 Mode Maximum dBm Measurement Noise Power Sensor SpecificationsDefinitions Zero Set Zero Drift Battery Option 001 Operational Characteristics Rear Panel Connectors General Characteristics Storage Conditions Environmental CharacteristicsGeneral Conditions Operating Environment General DimensionsWeight Safety Non-Volatile Memory Remote Programming Agilent E4418B/E4419B Service Guide Performance Tests User’s Guide Equipment Required Required Equipment Model Number Critical Specification Usage Calibration Cycle Test ProceduresPerformance Test Record Performance Tests Description SpecificationTest Setup Zero Test Range Polarity Normal Function Standby Line Procedure Instrument Accuracy Test Test Procedure 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 Electrical Performance Conditions Characteristics Limits Power Reference Level Test Power Reference Level Test Power Reference Level Test Setup Press , Power Ref On Agilent E-Series Power Sensor Interface Test Sensor Functional Test Setup Agilent E-Series Power Sensor Functional Test Sensor Functional Test Setup with Attenuator Agilent E4418B/E4419B Service Guide Interface Test Power ReferencePerformance Test Record Instrument Accuracy 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 Measurement Uncertainty A2R90 Adjustment Location Introduction Display Brightness and Contrast Adjustment 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 Reference Description Agilent Part Designator Number Assembly Part Numbers BT2 0950-2649 Power Supply Assembly Power Supply Assembly Types Front Panel Connector Repair Downloading Firmware Firmware Upgrades Severe or fatal injury Assembly and Disassembly GuidelinesRemoving the Power Meter Cover Power supply assembly 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 Battery terminals or to excessive heat Removing the Power Meter RAM Battery BT1 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 CTS Suggested Diagnostic Equipment 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 Measurement Introduction Figure A-1 Measurement Setup Define the Measurement Equation UncertaintiesDefine the Measurand TSE Uncertainty Equation 3458A DMM Uncertainty Standard Uncertainty uxiTable A-1 Standard Uncertainty Results Worst case error on 10V range Worst case error on 0.1V rangeVoltage Error Distribution Standard Uncertainty Worst case error on 1V range Table A-2 Voltage Correction Multiplier Power mW Worst case error on 15.8V maximum power setting Sensitivity Coefficients Ci UMV Ucy Converted Table A-3 Combined Standard Uncertainty PowerCombined Standard Uncertainty ucy Expanded Uncertainty kucy Agilent E4416A/E4417A Service Guide Appendix B Pmeas = Figure B-1 Measurement Setup MsUncertainty = 1 ⁄ 1±2PsPd Uncertainty Equation Voltage measurement Uncertainty Mismatch Vswr Sensor Calibration Factor Drift Calibration factor Repeatability Resistance Max 999647 999566084 Table B-1 Measurement Repeatability Results 67E-05 01868E-05 Average 1 V Vcomp UCF Expanded Uncertainty Index Cable replacement 5-16,5-19 Connector characteristics Index-4 Agilent E4418B/E4419B Service Guide

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