GW Instek AFG-2000 User Manual - Manual (Page 116)

AFG-2000 Series User Manual
114
Frequency Modulation (FM) Commands
FM Overview
The following is an overview of the steps required to generate an
FM waveform.
Enable FM
Modulation
Configure Carrier
Select
Modulation
Source
Select shape
Set Modulating
Frequency
Set Peak
Frequency
Deviation
1. Turn on FM modulation using the
SOURce[1]: FM:STAT ON command.
2. Use the APPLy command to select a carrier
waveform. Alternatively, the FUNC, FREQ,
AMPL, and DCO commands can be used to
create a carrier waveform with a designated
frequency, amplitude and offset.
3. Select an internal or external modulation
source using the SOURce[1]:FM:SOUR
command.
4. Use the SOURce[1]:FM:INT:FUNC command
to select a sine, square or ramp modulating
waveform. For internal sources only.
5. Set the modulating frequency using the
SOURce[1]: FM:INT:FREQ command. For
internal sources only.
6. Use the SOURce[1]:FM:DEV command to set
the frequency deviation.
SOURce[1]:FM:STATe
Set
Query
Description Sets or disables FM modulation. By default FM
modulation is disabled. FM modulation must be
enabled before setting other parameters.