Information In This Chapter; Chapter Five At-A-Glance - Keysight N9912A Service Manual

Theory of Operation

Information in This Chapter

Information in This Chapter
This chapter provides a general description of the operating theory of the N9912A analyzer.
• Theory of operation is explained to the assembly level only.
• Component-level circuit theory is not provided.
• Simplified block diagrams are included for each functional group.

Chapter Five at-a-Glance

Section Title
Analyzer System Operation
Front Panel Group
Measurement Group
Operation in Modes
Temperature Related Information
User Calibration in CAT and NA
Modes
Firmware Related Information
5-2
Summary of Content
A summary of the theory of operation for the analyzer.
A summary of the operation of the major functional
groups of the analyzer.
Operation of the assemblies associated with the front
panel group of assemblies.
Operation of the assemblies associated with the
measurement group of assemblies.
Description of the different operating modes and what
hardware is used in each mode.
Information about temperature sensors and how the
analyzer responds to temperature information gathered.
Descriptions of one port and two port calibrations for the
CAT and NA modes of operation.
Information about firmware and firmware upgrades.
RF Analyzer
N9912A
Start Page
Page 5-3
Page 5-5
Page 5-7
Page 5-20
Page 5-24
Page 5-25
Page 5-27
Service Guide N9912-90003