Pulse Modulation R&S SMC100A
1411.4060.32 4.88 E-1
Pulse Modulation
An internal or external source can be selected for pulse modulation. A pulse generator is available as
internal sources.
In case of external source, the external signal is input via the PULSE EXT connector at the rear of the
instrument. In case of internal source, this connector can be used as external trigger or gate signal input
for internal pulse modulation. The polarity of the connector can be selected.
The pulse signal is output at the PULSE VIDEO connector at the rear of the instrument.
Note:
The level is decreased by 30 dB during Sample&Hold measurement!When pulse modulation is
activated, the ALC state of the R&S SMC is automatically changed to ALC OFF (Sample & Hold). In
this state the ALC loop is opened and the output level is not regulated but the level modulator is set
directly. In order to set the correct output level, a sample & hold measurement is executed after each
frequency or level setting. The level is decreased by 30 dB during Sample&Hold measurement.
Pulse Modulation Menu
The Pulse Modulation menu is opened in the Mod function block or using the SETUP key under Mod.
In the upper section of the menu, the modulation source is selected and the modulation switched on.
The configuration of the selected external and/or internal modulation source is performed in the lower
section of the menu.
State - Pulse
Modulation
Activates/deactivates pulse modulation.
When the internal modulation source (pulse generator) is selected, the
pulse generator is switched on automatically and the video/sync signal
is output at the PULSE VIDEO output at the rear of the instrument.
Signal output can be switched off in the Pulse Generator menu of the
Mod Gen block.
Remote-control command:
SOUR:PULM:STAT ON
To Next Page
Loading...
