137
Keysight X-Series Signal Analyzers
N9020A MXA Signal Analyzer
Service Guide
4 RF Section Troubleshooting
What You Will Find in This Chapter
The following information is found in this chapter:
1. Theory of operation of the RF section
2. Isolating the cause of an hardware problem by verifying the functionality
of assemblies in the RF section signal path.
NOTE Each section describes how the assembly works and gives information to
help you troubleshoot the assembly. Each description covers the purpose of
the assembly, describes the main components, and lists external
connections to the assembly.
This following descriptions are found in this chapter:
RF Section Description on page 138
Troubleshooting on page 146
Quick Check to Verify the Low Band Signal Path on page 146
Troubleshooting a Low Band Problem on page 151
Quick Check to Verify High Band RF Path #1 on page 174
Troubleshooting a High Band Problem on page 178
High Band Preamp (Option P08, P13, P26) on page 204
High Band Mixing Equations on page 204
Microwave Preselector Bypass (Option MPB) on page 205
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