Rohde & Schwarz SMC100A - Page 162

R&S SMC100A Pulse Modulation
1411.4060.32 4.89 E-4
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
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. Generation of double pulse
or selection of trigger mode is offered. 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.
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