84
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 85
• AC Input and Bias Supplies, page 87
• Floating Logic, page 88
• D-to-A Converter, page 90
• A-to-D Converter, page 91
• Power Mesh and Control, page 92
• Earth-Referenced Logic, page 94
• Front Panel, page 94