Manuali utente per Agilent Technologies 6680A

Sommario

• Introduction

  7
  • Scope

    7
    • Organization

      7
  • Instrument Identification

    7
    • Related Documents

      8
    • Manual Revisions

      8
    • Firmware Revisions

      8
  • Safety Considerations

    9
  • Conventions

    9
  • Electrostatic Discharge

    9
• Verification

  10
  • Introduction

    10
  • Tests

    10
  • Test Equipment Required

    10
    • List of Equipment

      10
    • CurrentMonitoring Resistor

      10
    • Electronic Load

      11
  • Programming The Tests

    12
    • General Considerations

      12
  • General Measurement Techniques

    12
  • Performance Test Record Sheets

    12
  • Operation Verification Tests

    13
  • Performance Tests

    13
    • Constant Voltage (CV) Tests

      13
    • Constant Current (CC) Tests

      18
    • Averaging the CC Measurements

      23
• Troubleshooting

  30
  • Introduction

    30
    • Localizing the Problem

      30
    • Chapter Organization

      30
  • Test Equipment Required

    31
  • Troubleshooting Procedures

    31
    • PowerOn Selftest

      31
    • Troubleshooting Charts

      33
    • Troubleshooting Test Points

      33
    • Bias and Reference Supplies

      33
    • CV/CC Status Annunciators Troubleshooting

      52
    • A3 FET Board Troubleshooting

      52
  • Signature Analysis

    55
    • Introduction

      55
    • Firmware Revisions

      55
    • Test Headers

      56
  • PostRepair Calibration

    61
    • When Required

      61
    • Inhibit Calibration Jumper

      61
    • Calibration Password

      61
    • Restoring Factory Calibration Constants

      61
  • EEPROM Initialization

    62
  • Transferring Calibration Constants To Factory Preset Locations

    62
  • Disassembly Procedures

    67
    • Tools Required

      67
    • Top Cover

      68
    • Removing Protective RFI Shield (Galvanized Sheet Metal)

      68
    • GPIB Board

      68
    • A4 AC Input Assembly

      69
    • A5 DC RAIL Assembly

      69
    • A6 BIAS Assembly

      69
    • A3 FET Board

      69
    • A10 Control Assembly

      70
    • Front Panel Assembly

      70
    • S1 Line Switch

      70
    • A1 Front Panel Board

      70
    • A1DSP1 LCD Display

      71
    • A1G1 and A1G2 Rotary Controls

      71
    • A1KPD Keypad

      71
    • Output Bus Boards A7, A81 and A9 & Chassis Components

      71
• Principles Of Operation

  80
  • Introduction

    80
  • A2 GPIB Board

    80
  • A1 Front Panel Assembly

    81
  • A10 Control Board

    81
    • Secondary Interface (P/O A10 Board)

      81
  • A4 AC Input Board

    84
  • A5 DC Rail Board

    84
  • A3 FET Board

    84
  • Output Circuits

    85
• Replaceable Parts

  87
  • INTRODUCTION

    87
    • Chapter Organization

      87
    • Reading the Tables

      87
  • How to Order Parts

    88
• Diagrams

  113
  • Introduction

    113
  • Chapter Organization

    113
  • General Schematic Notes

    117
• Backdating

  146
• Index

  151