Keithley 6220 DC, User Manual, Page: 74 / 171

Model 6220/6221 User’s Manual Sweeps 4-9
Return to Section 4 topics
Running a staircase sweep
1. Configure source functions .
Examples – The following commands restore defaults, set the bias current
to 100
μ
A, and the compliance to 10V:
2. 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:
3. Arm and run the sweep :
4. When the sweep is done, turn the source output off with this command:
OUTP OFF
*RST
‘ Restore 622x defaults.
SOUR:CURR 1e-4
‘ Set bias current to 100
μ
A
SOUR:CURR:COMP 10
‘ Set compliance to 10V.
SOUR:SWE:SPAC LIN
‘ Select linear staircase sweep.
SOUR:CURR:STAR 1e-3
‘ Set start current to 1mA.
SOUR:CURR:STOP 1e-2
‘ Set stop current to 10mA.
SOUR:CURR:STEP 1e-3
‘ Set step current to 1mA.
SOUR:DEL 1
‘ Set delay to 1s.
SOUR:SWE:RANG BEST
‘ Select best fixed source range.
SOUR:SWE:COUN 1
‘ Set sweep count to 1.
SOUR:SWE:CAB OFF
‘ Disable compliance abort.
SOUR:SWE:ARM
‘ Arm sweep, turn on output.
INIT
‘ Trigger sweep.