Rf Section Troubleshooting (N8976B); What You Will Find In This Chapter - Keysight N8973B Service Manual

Keysight NFA Series Noise Figure Analyzers
Service Guide
5 RF Section Troubleshooting
(N8976B)

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
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.
The following sections are found in this chapter:
of assemblies in the RF section signal path.
RF Section Description on page 200
Quick Check to Verify the Low Band Signal Path on page 206
Troubleshooting a Low Band Problem on page 209
Quick Check to Verify High Band RF Path on page 216
Troubleshooting a High Band Problem on page 221
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