5-2 Service Guide N5230-90014
Theory of Operation PNA Series Microwave Network Analyzers
Information in This Chapter N5230A
Information in This Chapter
This chapter provides a general description of the operating theory of the N5230A 2-port
PNA-L microwave network analyzer.
• 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.”
IMPORTANT
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.
Chapter Five at-a-Glance
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, including Option 080, frequency
offset mode.
Page 5-6
Signal Separation Group
Operation
Operation of the assemblies associated with
signal separation, including the operation of
Option 014, configurable test set, and
Option 1E1, source step attenuators.
Page 5-15
Receiver Group Operation Operation of the assemblies associated with the
receiver group.
Page 5-19
Digital Processing and Digital
Control Group Operation
Operation of the assemblies associated with
digital processing and control.
Page 5-21
Power Supply Group
Operation
Operation of the power supply assembly group. Page 5-26
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