► | To access the "Pulse Modulation" settings, select "Modulation > config... > Pulse Modulation". |
The dialog contains all parameters for configuring a pulse modulation signal, comprising the signal source, pulse generator and trigger settings. |
- "Source Pulse Generator"
Displays the parameters for configuring the pulse generator signal, which in turn vary according to the selected "Mode > Single / Double ...".
Note: Extended features as the generation of double pulse signals or selectable trigger mode require option R&S SMC-K23. - "External"
Enables you to configure the polarity of an externally supplied pulse modulation signal.
Note: The pulse generator settings in this dialog are mirrored from the actual "Pulse Generator" dialog of the "Mod Gen" block. Therefore find the description on the access and the corresponding parameters under in "Pulse Generator Settings".
Activates 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" dialog (see "Pulse Generator").
Remote command:Selects the modulation signal source for pulse modulation.
"Pulse Generator" | Uses the pulse generator as modulation signal source. Uses the internally generated rectangular signal pulse modulation. |
"External" | Uses an externally applied modulation signal. The external modulation signal is input via the PULSE EXT connector. |
(External Source only)
Selects the polarity of the modulation signal.
"Normal" | The RF signal is On while the level is high at the modulation input. |
"Inverse" | The RF level is Off if the level is high at the modulation input. |
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