Spectrum analysis
R&S
®
RTE
419User Manual 1326.1032.02 ─ 20
Figure 9-1: Peak list with labels for spectrum waveform
For a description of the measurement settings, see Chapter 8.2.7.2, "Settings for
spectrum measurements", on page 365.
●
The THD measurements are an extension to the basic THD measurement. See
Chapter 8.2.7, "Spectrum measurements", on page 363 for details.
●
Cursor measurements on spectrum waveforms provide easy center definition and
peak search functions, see Chapter 8.1.1.2, "Cursor measurements on spectrum
waveforms", on page 323.
9.2.3 Configuring spectrograms
Spectrograms are only available if the Spectrum Analysis option R&S RTE-K18 is acti-
vated.
1. Tap the "Spectrogram" icon on the toolbar.
2. On the signal bar, select the source of the spectrogram.
A spectrogram diagram is displayed. A new signal icon for the spectrogram is dis-
played on the signal bar ("SGx").
If the selected source is a channel waveform, an FFT is started, on which the spec-
trogram is created.
Additional settings for time lines become available in the dialog box.
3. Optionally, to display a time line and thus mark a specific waveform in the spectro-
gram, select "Enable" for one of the two time lines.
A small arrow icon labeled "T1" / "T2" indicates the position of the time line in the
spectrogram.
The spectrum diagram displays the results for the selected waveforms. A new sig-
nal icon is displayed on the signal bar for each time line ("SGxTL1|2").
4. To view the spectrum for each time line in a separate diagram, drag the signal icon
for one time line to the diagram area and drop it.
A new window is displayed for the selected time line, and the original diagram dis-
plays the other time line.
Spectrum Analysis (option R&S
RTE-K18)
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