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Agilent Technologies
e4419b, e4418b
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Service Guide
Models:
e4419b
e4418b
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Troubleshooting
Specs
General Characteristics
Install
Worst case error on 0.1V range
Warranty
Dimension
Suggested Diagnostic Equipment
Test Setup
Front Panel Connector Repair
Page 1
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Service Guide
Agilent Technologies
E4418B/E4419B Power Meters
Agilent Technologies Part no.
E4418-90059
Revision C
September 2003
Page 2
Page 1
Image 1
Page 2
Contents
Service Guide
Page
Legal Information
Warranty
Certification
Exclusive Remedies
Limitation of Warranty
Equipment Operation
Personal Safety Considerations
Markings
General Safety Considerations
IEC 1010-1 Compliance
Installation Instructions
Statement of Compliance
User Environment
List of Related Publications
Asia Pacific
Sales and Service Offices
Japan
Australia/New Zealand
Latin America
Europe
United States
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
Accuracy
Zero Set Specifications Power Sensor
Instrumentation
MHz nominal
MW Power Reference1
Measurement Speed
Power Meter Supplemental Characteristics
Zero Drift of Sensors
Noise Multiplier Number
Measurement Noise
Averages
Zero Drift Measurement Noise
Power Sensor Specifications±
Normal Mode X2 Mode
For Agilent 8480 series power sensors
Settling Time
Settling Time Number
For Agilent E-series power sensors
Normal Mode X2 Mode Maximum dBm
Definitions Zero Set
Power Sensor Specifications
Zero Drift
Measurement Noise
Battery Option 001 Operational Characteristics
Rear Panel Connectors
General Characteristics
General Conditions
Environmental Characteristics
Operating Environment
Storage Conditions
Weight
Dimensions
Safety
General
Non-Volatile Memory
Remote Programming
Agilent E4418B/E4419B Service Guide
Performance Tests
User’s Guide
Equipment Required
Required Equipment Model Number Critical Specification Usage
Performance Test Record
Test Procedures
Performance Tests
Calibration Cycle
Test Setup
Specification
Zero Test
Description
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
There is a small risk of mild electrical shock from
Power meter is connected
Chassis of the 11683A option H01 range calibrator unless
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
Performance Test Record
Power Reference
Instrument 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
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
Removing the Power Meter Cover
Assembly and Disassembly Guidelines
Power 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
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
Stripe
Replacing The Chassis Assembly
Take the form of an Earth Continuity Test, Hi-Pot Test, etc
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 Measurand
Uncertainties
Define the Measurement Equation
TSE
Uncertainty Equation
Table A-1 Standard Uncertainty Results
Standard Uncertainty uxi
3458A DMM Uncertainty
Voltage Error Distribution Standard Uncertainty
Worst case error on 0.1V range
Worst case error on 1V range
Worst case error on 10V range
Table A-2 Voltage Correction Multiplier Power mW
Worst case error on 15.8V maximum power setting
Sensitivity Coefficients Ci
Combined Standard Uncertainty ucy
Table A-3 Combined Standard Uncertainty Power
Expanded Uncertainty kucy
UMV Ucy Converted
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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