Keysight E3633A and E3634A DC Power Supplies
Service Guide
99
4 Theory of Operation
Block Diagram Overview 100
AC Input and Bias Supplies 102
Floating Logic 103
D-to-A Converter 105
A-to-D Converter 106
Power Mesh and Control 107
Earth-Referenced Logic 108
Front Panel 109
This chapter provides block diagram level descriptions of the power supply. The
descriptions provide a basic understanding of circuit operation and are intended
as an aid in troubleshooting. It is assumed in the following discussions that you
are familiar with the operating and programming instructions presented in the
E3633A and E3634A User’s Guide. Subjects covered include the following:
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