Running A Staircase Sweep - Keithley 6220 DC User Manual

Model 6220/6221 User's Manual

Running a staircase sweep

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Configure source functions.
Examples – The following commands restore defaults, set the bias current
to 100μA, and the compliance to 10V:
*RST
SOUR:CURR 1e-4
SOUR:CURR:COMP 10
Configure the sweep.
Examples – The following commands configure a single linear staircase
sweep from 1mA to 10mA with 1mA steps using a 1s delay, best fixed
source range, and compliance abort disabled:
SOUR:SWE:SPAC LIN
SOUR:CURR:STAR 1e-3
SOUR:CURR:STOP 1e-2
SOUR:CURR:STEP 1e-3
SOUR:DEL 1
SOUR:SWE:RANG BEST
SOUR:SWE:COUN 1
SOUR:SWE:CAB OFF
Arm and run the sweep:
SOUR:SWE:ARM
INIT
When the sweep is done, turn the source output off with this command:
OUTP OFF
Return to
' Restore 622x defaults.
' Set bias current to 100μA
' Set compliance to 10V.
' Select linear staircase sweep.
' Set start current to 1mA.
' Set stop current to 10mA.
' Set step current to 1mA.
' Set delay to 1s.
' Select best fixed source range.
' Set sweep count to 1.
' Disable compliance abort.
' Arm sweep, turn on output.
' Trigger sweep.
Section 4 topics
Sweeps 4-9