5-2 Service Guide E8361-90001
Theory of Operation PNA Series Microwave Network Analyzers
Information in This Chapter E8361A
Information in This Chapter
This chapter provides a general description of the operating theory of the E8361A PNA
series 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 unfolded and 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 six functional
groups of the analyzer.
Page 5-3
Source Group Operation Operation of the assemblies associated with the
source group.
Page 5-6
Signal Separation Group
Operation
Operation of the assemblies associated with
signal separation, including the operation of
Option 014.
Page 5-16
Receiver Group Operation Operation of the assemblies associated with the
receiver group.
Page 5-20
Frequency Offset Group
Operation (Option 080)
Operation of the assemblies associated with
frequency offset mode of operation.
Page 5-23
Digital Processing and Digital
Control Group Operation
Operation of the assemblies associated with
digital processing and control.
Page 5-24
Power Supply Group
Operation
Operation of the power supply assembly group. Page 5-29
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