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Manuals
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HP Manuals
Power Supply
6434B
Operating and service manual
HP 6434B Operating And Service Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
List of Tables
List of Illustrations
DC Power Supply
General Information
Description
Overload Protection
Output Terminals
Specifications
Installation
Initial Inspection
Mechanical Check
Installation Data
Operating Instructions
Controls and Indicators
Operation
Normal
Constant Voltage
Constant Current
Connecting Load
Remote Sensing
Remote Programming
Remote Voltage Programming
Parallel
Remote Resistance Programming
Normal Parallel Connections
Auto-Parallel, Two and Three Units
Auto-Parallel
Series
Auto-Series
Operating Considerations
Auto-Tracking
Pulse Loading
Negative Voltage Loading
Negative Current Loading
Principles of Operation
Block Diagram Description
Circuit Description
AC Input
DC Output
Voltage Input
Clamping
Current Input
Turn-On Circuit
SCR Regulator Control
Firing
Initial Conditions
SCR Regulator
Gating
Protection
Bias and Reference Circuit
Programming Currents
Maintenance
General
Test Equipment
Differential Voltmeter Substitute, Test Setup
Measurement Techniques
Rated Output and Meter Accuracy
Line Regulation
Performance Check
Load Regulation
Ripple and Noise
Transient Recovery Time
Additional Specification Check
Temperature Coefficient
Output Stability
Output Inductance
Cover Removal
Troubleshooting
Output Impedance
Trouble Analysis
Normal Voltage
Bias and Reference Circuit Troubleshooting
High Output Voltage Troubleshooting
Low Output Voltage Troubleshooting
High Output Voltage
Low Output Voltage
Common Troubles
Repair and Replacement
Servicing Printed Wiring Boards
Checks and Adjustments after Replacement of Semiconductor Devices
Adjustments and Calibrations
Meter Zero
Adjustment and Calibration Summary
Voltmeter Tracking
Ammeter Tracking
Zero Voltage Output
Bias and Reference Line Regulation
Line Imbalance
Constant Current Load Regulation
Replaceable Parts
Introduction
Ordering Information
Reference Designators
Code List of Manufacturers
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Specifications
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Table of Contents
Troubleshooting
Cover removal
28
Bias and reference circuit troubleshooting
30
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