Keysight Technologies N5247B, Service Manual

Page: 171 / 566

5-1
Keysight Microwave Network Analyzers
2-Port and 4-Port PNA-X
Service Guide
5 Theory of Operation
Information in This Chapter
This chapter provides a general description of the operating theory of the
N524xA 2-port and 4-port PNA microwave network analyzers.
— Theory of operation is explained to the assembly level only.
— Component-level circuit theory is not provided.
— Simplified block diagrams are included for each functional group.
— More detailed block diagrams are located at the end of
Chapter 4,
“Troubleshooting.”
Chapter Five at-a-Glance
Although simplified block diagrams are included within the description of
each functional group, it is recommended that the more detailed block
diagrams, located at the end of Chapter 4 , be available for reference, as
you read the information in this chapter.
Some paragraphs of this chapter reference your analyzer’s DSP version.
Click Help > About Network Analyzer and note the DSP version shown.
Section Title Summary of Content Start Page
Network Analyzer System
Operation
A summary of the theory of operation for the analyzer.
A summary of the operation of the major functional groups
of the analyzer.
page 5-3
Synthesized Source Group
Operation
Operation of the assemblies associated with the source
group.
page 5-10
Signal Separation Group
Operation
Operation of the assemblies associated with signal
separation, including the operation of optional source
attenuators, mechanical switches, and bias tees.
page 5-46
Receiver Group Operation Operation of the assemblies associated with the receiver
group including the operation of optional receiver
attenuators.
page 5-53