80
Theory of Operation
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 E3631A User's Guide. Subjects covered include the following:
• Block Diagram Overview, page 81
• AC Input and Bias Supplies, page 83
• Floating Logic, page 84
• D-to-A Converter, page 86
• A-to-D Converter, page 87
• Power Mesh and Control, page 88
• Earth-Referenced Logic, page 90
• Front Panel, page 90
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