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Keysight Technologies X-Series Signal Analyzers
N9010A EXA Signal Analyzer
Service Guide
4 RF Section Troubleshooting
(RF/Microwave Analyzers)
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.
This following descriptions are found in this chapter:
RF Section Description on page 140
Troubleshooting on page 148
Quick Check to Verify the Low Band Signal Path on page 148
Troubleshooting a Low Band Problem on page 152
Quick Check to Verify High Band RF Path #1 on page 173
Troubleshooting a High Band Problem on page 177
High Band Preamp (P07, P13, P26) on page 201
High Band Mixing Equations on page 201
Microwave Preselector Bypass (Option MPB) on page 202
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.
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