SIGLENT
54 SDG2000X User Manual
1. Connect the CH2 output terminal to [Aux In/Out] connector on the rear
panel using a dual BNC cable.
2. Select CH1 and press Mod to select the desired modulation type as well as
set the corresponding parameters, and then select external modulation
source.
3. Select CH2 and select the desired modulating waveform and set the
corresponding parameters.
4. Press Output to enable the output of CH1.
To Set Modulation Depth
Modulation depth expressed as a percentage indicates the amplitude variation
degree. AM modulation depth varies from 1% to 120%. Press AM Depth to set
the parameter.
In the 0% modulation, the output amplitude is the half of the carrier’s
amplitude.
In the 120％ modulation, the output amplitude is the same with the
carrier’s amplitude.
For an external source, the depth of AM is controlled by the voltage level
on the connector connected to the [Aux In/Out]. ±6V correspond to 100%
depth.
When external modulation source is selected, this menu is hidden.
To Set Modulation Frequency
When internal modulation source is selected, press AM Freq to highlight the
parameter, then use the numeric keyboard or arrow keys and knob to input the
desired value.
The modulation frequency ranges from 1mHz to 1MHz.
When external modulation source is selected, this menu is hidden.
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