HP 85020A Operating And Service Manual page 39

Directional bridge

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Table of Contents

Model 85020A/B

Adjustments

SECTION V

ADJUSTMENTS

5-1.

INTRODUCTION

5-2.

There are no adjustments recommended for regular calibration

or normal use of the 85020A/B Directional Bridge. Hov/ever,

if the

internal bridge microcircuit is replaced, adjustments must be made

to compensate the preamplifier for the individual diode

characteristics. The procedures for replacing the bridge

microcircuit and adjusting the preamplifier are described in

Section VIII, Service, of this manual.

5-1/5-2

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Troubleshooting

85020b