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Keysight Technologies X-Series Signal Analyzers
N9038A MXE Signal Analyzer
Service Guide
10 Analog & Digital IF
What You Will Find in This Chapter
The following information is presented in this chapter:
1. Theory of operation of the IF section.
2. Isolating the cause of a hardware problem by verifying the functionality of
assemblies in the IF section signal path.
This following sections are found in this chapter:
A2 Analog I.F. Assembly Description on page 322
A2 Analog I.F. Troubleshooting on page 326
A3 Digital I.F. Assembly Description on page 337
A3 Digital I.F. Troubleshooting on page 342
Each of the following sections first describes how the assembly works, then gives information to
help you troubleshoot the assembly. Each description explains the purpose of the assembly,
describes the main components, and lists external connections to the assembly.