GUI reference
R&S
®
ZNA
657User Manual 1178.6462.02 ─ 29
Background information
Refer to Chapter 4.7.26, "RFFE GPIO interface", on page 305.
For more details about the voltage range, clock frequency ranges and their steps sizes,
refer to Chapter 12.3.4, "RFFE - GPIO interface", on page 1785.
RFFE tab
The "RFFE" tab is divided into two parts:
●
The upper part gives access to the RFFE interface settings and allows manual
command execution and result display (see "Basic RFFE interface settings and
command execution" on page 659)
●
The lower part allows you to define and apply test voltages and to execute voltage
and current measurements on the RFFE pins (see "GPIO voltage and current mea-
surements" on page 663)
The "Set" button activates the "Output Voltage" and "Range" ("Shunt" resistance) set-
tings. The "Meas" button starts the voltage and current measurements.
Channel Config softtool
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