Programming Ramp Waveforms - Keithley 6220 Reference Manual

7-24 Wave Functions (6221 Only)

Programming ramp waveforms

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Restore defaults with this command:
*RST
Configure the waveform.
Examples – The following commands configure a 50kHz ramp wave with
an amplitude of 5mA, 0mA offset, 25% duty cycle, 90° phase marker, and
15 second duration:
SOUR:WAVE:FUNC RAMP
SOUR:WAVE:FREQ 5e4
SOUR:WAVE:AMPL 5e-3
SOUR:WAVE:OFFS 0
SOUR:WAVE:DCYC 25
SOUR:WAVE:PMAR:STAT ON
SOUR:WAVE:PMAR 90
SOUR:WAVE:PMAR:OLIN 1
SOUR:WAVE:DUR:TIME 15
SOUR:WAVE:RANG BEST
Arm and trigger the waveform, turn on output:
SOUR:WAVE:ARM
SOUR:WAVE:INIT
To stop generating the waveform and turn the source output off before the
duration elapses, send this command:
SOUR:WAVE:ABOR
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Model 6220/6221 Reference Manual
' Select ramp wave.
' Set frequency to 50kHz.
' Set amplitude to 5mA.
' Set offset to 0mA.
' Set duty cycle to 25%.
' Turn on phase marker.
' Set phase marker to 90°.
Use line 1 for phase marker.
15 second duration.
' Select best fixed source range.
' Arm waveform.
' Turn on output, trigger waveform.
' Stop generating waveform.
Section 7 topics