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Keysight Technologies
N9030B PXA Signal Analyzer
Service Guide
7 Analog/Digital IF Troubleshooting
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.
The following sections are found in this chapter:
• A2 Analog IF Assembly Description on page 226
• A2 Analog IF Assembly Theory of Operation on page 227
• A2 Analog IF Troubleshooting on page 230
• A3 Digital IF Assembly Description on page 237
• A3 Digital IF Assembly Theory of Operation on page 238
• A3 Digital IF Troubleshooting on page 240
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.