General - HP 8112A Operating, Programming And Servicing Manual
50 mhz programmable pulse generator
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Also See for 8112A:
- Operating, programming and servicing manual (112 pages) ,
- Operating, programming and servicing manual (406 pages)
Table of Contents
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General
The servicing information is divided into chapters as summarised
here:
Instrument Overview
Servicing the Power Supply
Servicing the Time and Slope This chapter covers the trigger-input
Generator
Servicing the Shaper and
Output Amplifier
Servicing the Standard
Control Board
Servicing the Microprocessor
and Frontpanel
Each of these chapters contains an explanation of the theory
of operation, a troubleshooting guide and circuit schematics.
Component layouts for each board assembly are also provided.
The five board assemblies contained in the HP 8 1 1 2A are listed
in Table 1 0- 1 which lists the servicing chapters applicable to each
board.
This chapter deals with the overall
instrument and is intended to help
you to isolate a fault at a functional
level. You can then proceed to the
appropriate chapter which covers that
function in more detail.
This chapter deals with the power
supply, including rectification,
regulation, voltage and current sensing
and power-down detection.
circuits, slope generator IC , timing IC ,
error feedback circuit and the vernier
feedback circuit.
This chapter covers the shaper
IC, amplitude modulator, current
mirror, pre-attenuator, signal output
amplifier, output attenuator and the
trigger-output amplifier.
This chapter covers the byte-offset
latches, Digital to Analog Converters,
timer, reference circuits, and the
width-vernier current source.
This chapter covers the microprocessor
board including ROM , RAM , HP-IB
interfacing, address decoding and the
RAM battery supply. It also covers
the keyboard and display board which
make up the frontpanel.
Introduction to Servicing 10-3
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Chapters
Table of Contents
