
Operator’s Manual Simple AFG Application
44
Touching the “
Shape
” button the modulation type menu
opens. The possibility to choose the shape is
only available for AM, FM, PM and PWM modulations.
The modulation
Shapes
(when available) can be:
•
Sine
•
Square
•
Triangle
•
Increase Ramp
•
Decrease Ramp
•
Noise
•
Arbitrary:
it allows to load a Modulating Waveform from file. For the file specification please
refer to the
“
Import from File
”
section
. By default, the “Arbitrary” waveform is a cosine function.
Marker Out behaviour in Modulation Run Mode
If the modulating source is
Internal
, the
Marker Out
generates a square wave synchronous with the
modulating waveform. The leading edge of this pulse is positioned at the beginning of the modulating
waveform.
Marker out (blue, top) synchronous with the modulating waveform of the AM (red, bottom)