HP Lab Series User Manual

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6209B Operating & Service
Manual
06209-90003
June 1969

HP Lab Series Specifications

General

Brand	HP
Model	Lab Series
Category	Power Supply
Language	English

Summary

Model 6209B Operating and Service Manual

Safety Summary

General Safety Precautions

Essential safety measures for operating and servicing the instrument.

Electrical Safety Warnings

Precautions regarding electrical hazards, input ratings, and grounding.

Operational Safety Guidelines

Guidelines for safe operation in hazardous environments and handling.

Section I General Information

Technical Specifications

Detailed technical specifications of the power supply.

Section II Installation

Section III Operating Instructions

Turn-On Check-Out Procedure

Steps to verify proper operation upon power-up.

Constant Voltage Operation

Procedure for setting and using the constant voltage output mode.

Constant Current Operation

Remote Programming, Constant Voltage

How to control output voltage remotely via resistance or voltage.

Remote Sensing Method

Method to improve regulation by sensing voltage at the load.

Section IV Principles of Operation

Overall Block Diagram Discussion

Explanation of the main functional blocks of the power supply.

Detailed Circuit Analysis

In-depth analysis of the internal circuitry and its functions.

Preregulator and Control Circuit

Function of the preregulator in managing output voltage stability.

Key Circuit Components

Series Regulator Function

The primary component responsible for output voltage regulation.

Constant Voltage Comparator Circuit

Circuit that compares output voltage to a reference for regulation.

Constant Current Comparator Circuit

Circuit that compares output current to a reference for regulation.

Section V Maintenance

Performance Testing

Constant Voltage Tests

Voltage and Load Regulation Tests

Load Regulation Measurement

Line Regulation and Noise Measurements

Line Regulation Measurement

Ripple and Noise Measurement

Transient and Impedance Tests

Transient Recovery Time

Output Impedance Measurement

Constant Current Performance

Constant Current Tests

Constant Current Load and Line Regulation

Troubleshooting Procedures

Overall Troubleshooting Procedure

A systematic approach to diagnosing and resolving instrument faults.

Reference Circuit Troubleshooting

Regulating Loop Troubles

Diagnosing issues related to feedback loops in the regulator.

Repair and Adjustment Procedures

Repair and Replacement Guidance

Procedures for repairing and replacing components.

Adjustment and Calibration Steps

Steps for adjusting and calibrating the instrument's functions.

Programming and Regulation Adjustments

Constant Voltage Programming Calibration

Constant Current Programming Calibration

Transient Response and Preregulator Adjustments

Section VI Replaceable Parts

Section VII Circuit Diagrams

Appendix A Manual Backdating Changes