Receiver Mode
R&S
®
ESR
147User Manual 1175.7068.02 ─ 12
Example:
The graph below shows a scan performed in four subranges. The scan start at the start
frequency of subrange 1. Between subrange 2 and 3 is a frequency gap, where no
measurement is performed. In subrange 4, the part of the frequency range that is out-
side the overall scan range is also not considered for the scan results.
Range Start = Start frequency of the scan range. To avoid overlapping scan ranges, the stop frequency of
the previous scan range is adjusted if necessary.
Range Stop = Stop frequency of the scan range. To avoid overlapping scan ranges, the start range of the
next scan range is adjusted if necessary.
Stepsize = Frequency stepsize within the scan range. If you define a stepsize that is larger than the
range itself, the R&S ESR only measures the start and stop frequencies of the scan range.
The step size is available if the Step Mode is either linear or logarithmic. If the step mode is
linear, the step size is a value in Hz. If the step mode is logarithmic, the step size is a per-
centage.
Res BW = Measurement bandwidth used within the scan range, see Chapter 5.2.1, "Measurement
Bandwidth", on page 166. The R&S ESR displays an exclamation mark if the selected mea-
surement bandwidth is not compatible to the bandwidth required by CISPR for the corre-
sponding frequency range.
Meas Time = Measurement time applied to the scan range, also see "Final Measurement Time"
on page 196
Measurements and Result Displays
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