R&S FSH Spectrum Analyzer Mode
Performing Spectrum Measurements
Operating Manual 1173.6275.12 - 30 78
3.1.9 Measuring Spurious Emissions
The Spurious Emission measurement is a tool to monitor unwanted emissions in the
frequency spectrum outside of an assigned channel (carrier). When performing a
Spurious Emission measurement, the R&S FSH checks the spectrum that you have
defined against a limit line to see whether the signal complies with a specific standard
or not.
Spurious Emission measurements are usually performed over a wide frequency
spectrum. To avoid long measurement times, the spectrum is split into several smaller
ranges. Each of those ranges has a different configuration (for example a different
RBW).
The Spurious Emission measurement available on the R&S FSH is designed for
measurements on category A 3GPP base stations with the appropriate configuration in
each measurement range.
► Press the MEAS key.
► Press the "Meas Mode" softkey.
The R&S FSH opens the measurement menu.
► Select the "3GPP BTS Spurious Emission" menu item.
► Press the "Start Meas" softkey.
The R&S FSH starts the measurement.
Screen Layout for the Spurious Emission measurement
1 Result display
2 Limit check
3 List of spurious emissions
4 Limit line (red line)
5 Trace (yellow line)
6 Spurious Emission softkey menu
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