R&S SMB Pulse Modulation
1407.0806.32 4.73 E-2
Source - Pulse Modulation
Selects the source for the pulse modulation signal.
Pulse
Generator
Selects the internal pulse generator.
The internally generated rectangular signal is used
for the pulse modulation.
Remote-control command:
SOUR:PULM:SOUR INT
External
Selects the external source. The external modulation
signal is input via the PULSE EXT connector.
Remote-control command:
SOUR:PULM:SOUR EXT
Polarity - Pulse Modulation
(Source External only)
Selects the polarity of the external modulation signal.
Normal
The RF level is On if the level is High at the
modulation input.
Remote-control command:
SOUR:PULM:POL NORM
Inverse
The RF level is Off if the level is High at the
modulation input.
Remote-control command:
SOUR:PULM:POL INV
Pulse External Input
Impedance
(Source External only)
Selects the impedance for external feed via the PULSE EXT input.
Selection 50 Ohm and 10 kOhm are available.
Remote-control command
SOUR:PULM:TRIG:EXT:IMP G50
In case of modulation source pulse generator, the settings for the pulse characteristics and the trigger
are offered in the Pulse Generator section of the Pulse Modulation menu. Option R&S SMU-K23
offers a variety of features, e.g. generation of double pulse or selection of trigger mode. The output of
the video/sync signal at the PULSE VIDEO output is automatically switched on when activating pulse
modulation. It can be switched off in the Pulse Generator menu of the Mod Gen block.
.
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