User`s guide

86
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 E3633A and
E3634A User’s Guide. Subjects covered include the following:
• Block Diagram Overview, starting on page 85
• AC Input and Bias Supplies, on page 87
• Floating Logic, starting on page 88
• D-to-A Converter, on page 90
• A-to-D Converter, on page 91
• Power Mesh and Control, starting on page 92
• Earth-Referenced Logic, on page 94
• Front Panel, on page 94