Model 6220/6221 Reference Manual Wave Functions (6221 Only) 7-23
Return to Section 7 topics
Programming square waves
1. Restore defaults with this command:
*RST
2. Configure the waveform.
Examples – The following commands configure a 10kHz square wave with
an amplitude of 1mA, 0mA offset, 50% duty cycle, 180° phase marker, and
10 second duration:
3. Arm and trigger the waveform, turn on output:
4. To stop generating the waveform and turn the source output off before the
duration elapses, send this command:
SOUR:WAVE:FUNC SQU ‘ Select square wave.
SOUR:WAVE:FREQ 1e4 ‘ Set frequency to 10kHz.
SOUR:WAVE:AMPL 1e-3 ‘ Set amplitude to 1mA.
SOUR:WAVE:OFFS 0 ‘ Set offset to 0.
SOUR:WAVE:DCYC 50 ‘ Set duty cycle to 50%.
SOUR:WAVE:PMAR:STAT ON ‘ Turn on phase marker.
SOUR:WAVE:PMAR 180 ‘ Set phase marker to 180°.
SOUR:WAVE:PMAR:OLIN 1 ‘ Use line 1 for phase marker.
SOUR:WAVE:DUR:TIME 10 ‘ 10 second duration.
SOUR:WAVE:RANG BEST ‘ Select best fixed source range.
SOUR:WAVE:ARM ‘Arm waveform.
SOUR:WAVE:INIT ‘ Turn on output, trigger waveform.
SOUR:WAVE:ABOR ‘ Stop generating waveform.
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