Avionic Standards
R&S
®
SMA100B
119User Manual 1178.3834.02 ─ 05
"EXT (MOD AM)"
Selects the external source. The external signal is added to the inter-
nal signal. Switching off the internal source is not possible. The exter-
nal signal is input via the Ext connector. The sensitivity is 10 mV per
percent modulation depth.
Note: There can be an overmodulation as a function of the level of
the external signal without a corresponding caution message being
generated. To avoid an overmodulation, the peak value of the exter-
nal signal is to be delimited corresponding to the sum of the modula-
tion depths of the remaining VOR signal components.
Remote command:
<subsystem>:SETTing:SOURce on page 547
5.3.2 Signal Settings
Access:
► Select "VOR > Signal".
This dialog provides access to signal settings of the VOR modulation signal.
Settings
Mode............................................................................................................................119
VAR/REF Frequency...................................................................................................120
VAR Depth...................................................................................................................120
Subcarrier Frequency..................................................................................................120
Subcarrier Depth ........................................................................................................120
REF Deviation.............................................................................................................120
Mode
Selects the operating mode for the VOR modulation signal.
"Norm"
VOR modulation is active.
VOR Configuration and Settings
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