Keysight N5221A/22A Service Guide 5-5
Theory of Operation
Network Analyzer System Operation
Refer to “Receiver Group Operation” on page 5-21.
Digital Processor and Digital Control Group
The digital processor and digital control group are divided into a front panel
group and a data acquisition and processing group. The front panel group
provides communication to the network analyzer. The data acquisition and
processing group provides the output to the display, in addition to signal
processing and analyzer control.
Refer to “Digital Processing and Digital Control Group Operation” on
page 5-26.
Power Supply Group
The power supply functional group provides power for the other assemblies in
the instrument.
Refer to “Power Supply Group Operation” on page 5-31.
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