GUI reference
R&S
®
ZNA
346User Manual 1178.6462.02 ─ 20
"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 compression point over frequency works by performing a power sweep for each
frequency point of a linear frequency grid. Given the configured Compression Value,
the compression point is calculated for each of these power sweeps.
The power sweep is stopped, when the compression point at the current frequency is
reached. However, the maximum number of measurement points is Number of
PointsxPower Points, which can easily become a large number.
As a result, the compression point traces "Compression Point Power In / Compression
Point Power Out / Compression Point S-Param over frequency" can be shown.
5.2.7.1 Controls on the Gain Compression tab
Amplifier Compression/Setup Frequency Converting DUT
Opens the Multi-channel setup dialog for gain compression measurements:
●
See Chapter 5.2.7.2, "Amplifier Compression setup dialog", on page 347 for non-
frequency converting DUTs
●
See Chapter 5.2.7.3, "Converter Compression setup dialog", on page 349 for fre-
quency-converting DUTs
Meas softtool
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