Digital Processing And Digital Control Group Operation - Agilent Technologies N5242A Service Manual

PNA Series Microwave Network Analyzers
N5241A/42A

Digital Processing and Digital Control Group Operation

The digital processor and control group provides digital control for the entire analyzer. It
provides:
• front panel operation,
• output to the display,
• math processing functions, and
• communications between the analyzer and an external controller or peripherals.
A block diagram of the digital control functional group is shown in
The digital control functional group consists of two subgroups:
• Front Panel Subgroup
— A1 Front Panel Display Board
— A2 USB Board
— A3 Display Assembly
— Keypad Assembly
— A14 system motherboard
• Data Acquisition and Processing Subgroup
— A12 SPAM Board (Digital Description)
— A17 CPU Board
— A51 Hard Disk Drive
Service Guide N5242-90001
Digital Processing and Digital Control Group Operation
Figure 5-9 on page
Theory of Operation
5-30.
5-29