GW Instek AFG-100/200 Series User Manual - Manual (Page 42)

AFG-125/225 Series Options Manual
42
FM Modulation
Background The FM Modulation function can set the carrier
frequency (FM Freq), frequency deviation (FM
DEV) and carrier waveform (Shape).
Steps 1. Set the carrier waveform and
frequency. You can set the carrier
waveform and frequency in the
Selecting a Basic Waveform section.
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2. From the first level of the AFG
menu, press the Signal 1 Setup or
Signal 2 Setup key to select the
signal source.
3. From the bottom menu press
MOD.
4. From the side menu turn MOD On
and then select the FM
modulation.
Note
Only one modulation mode can be active at any one
time. The function generator also will not allow sweep,
burst or ARB mode to be used with a modulation
function. Activating a modulation mode will turn the
previous modulation mode off.
5. Select the FM parameters from the side menu: