GUI reference
R&S
®
ZNA
391User Manual 1178.6462.02 ─ 29
"Lower Tone at DUT Out" (LTO), "Lower Tone at DUT In" (LTI), "Upper Tone at DUT
Out" (UTO), and "Upper Tone at DUT In" (UTI) are measurements of the two funda-
mental waves of the intermodulation measurement.
5.2.7 Gain Compression tab
Allows you to configure and perform compression point over frequency measurements.
This softtool is available and has the same appearance for both frequency- and non
frequency-converting DUTs.
The gain compression measurement performs a power sweep (defined by Start Power/
Stop Power and Power Points) for a linear frequency grid (defined by Start Frequency/
Stop Frequency, Number of Points). Given the configured Compression Value, and
with the (fixed) start power serving as reference point, the compression point (P
Cmp,
IN
(f), S
Cmp
(f)) is determined for each grid frequency f.
Meas softtool
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