Keysight Technologies S9100A, Startup Manual

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4 Install Hardware
High IF frequencies are provided by using additional High IF input & output
connectors that route the signal path through up and down converters, located
on a Channel Card, in the Keysight E7770A Common Interface Unit (CIU).
This configuration also provides the capability to perform Rx tests with a
blocking signal (interfering signal). This configuration can generate a
Wanted
signal and at the same time generate a Blocking signal; a Wanted signal
(produced from the RF Out of a Primary M9410A VXT) is combined with a
blocking signal (produced from the RF Out of a 2
nd
M9410A VXT). The combined
wanted and blocking signals are available in all three frequency ranges: FR1,
FR2, or High IF.
38 S9100A 5G Multi-Band Vector Transceiver, Startup Guide