What You Will Find In This Chapter - Agilent Technologies PSA Series Service Manual

Troubleshooting the IF Section

What You Will Find in This Chapter

What You Will Find in This Chapter
The following information is presented in this chapter:
1. Theory of operation of the 3rd converter section and the IF section.
2. Isolating the cause of an hardware problem by verifying the
Each of the following sections first describes how the assembly works,
NOTE
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.
This following sections are found in this chapter:
• Third Converter Assembly Description
• Verifying the Third Converter
• Analog IF Assembly Description
• Verifying the Analog IF Assembly Signal
• Digital IF Assembly Description
• Verifying the Digital IF
Information regarding the Option 122 or 140 Wideband IF assemblies
NOTE
can be found under the Hardware Options tab of this service guide.
126
functionality of assemblies in the IF section signal path.
...............................page 127
Board...................................page 129
..........................................page 133
Path...................page 136
..........................................page 139
Assembly........................................page 141
Chapter 6