R&S ESCI External Generator Control - Configuration
1166.6004.12 4.294 E-1
REF VALUE
The REF VALUE softkey activates the input of a level difference which is
assigned to the reference line.
In the default setting, the reference line corresponds to a level difference of
0 dB. If e.g. a 10-dB attenuator pad is inserted between DUT and analyzer
input between recording of the calibration data and normalization, the trace
will be shifted down by 10 dB. By entering a REF VALUE of –10 dB the
reference line for difference formation can also be shifted down by 10 dB so
that it will again coincide with the trace (see Fig. 4.22-5).
Fig. 4-38 Measurement with REF VALUE -10dB and REF VALUE POSITION
50%
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