Receiver Theory - Agilent Technologies 8753ES Option 011 Service Manual

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Theory of Operation

Receiver Theory

The receiver functional group consists of the following assemblies:

• A4 sampler/mixer

• A5 sampler/mixer

• A6 sampler/mixer

• A10 digital IF

These assemblies combine with the A9 CPU (described in

"Digital Control Theory" on

12-9) to measure and process input signals into digital information for display on the

Figure 12-10

is a simplified block diagram of the receiver functional group. The

A12 reference assembly is also included in the illustration to show how the 2nd LO signal

Figure 12-10

Receiver Functional Group, Simplified Block Diagram