Section 13: Calibration Model 2601B-PULSE System SourceMeter Instrument Reference Manual
13-38 2601B-PULSE-901-01A April 2020
16. Send the source calibration command using the range, zero and +FS multimeter readings, and zero and
+FS source values for the parameters:
smua.pulser.source.calibratebiasi(range, src_Z, DMM_Z_rdg, src_FS, DMM_FS_rdg)
Where:
= The present adjustment range
= The +zero 2601B-PULSE source output value
= The +zero DMM measurement
= The +FS 2601B-PULSE source output value
= The +FS DMM measurement
Typical values for the 250 mA range:
smua.source.calibratebiasi(250e-3, 2.5e-3, 2.4e-3, 225e-3, 223e-3)
17. Select negative polarity, then set the source output to the negative zero value, for example:
smua.cal.polarity = smua.CAL_NEGATIVE
smua.source.leveli = -2.5e-3
18. Enable the pulser and turn on the output:
smua.pulser.enable = 1
smua.source.output = smua.OUTPUT_ON
19. Allow the readings to settle.
20. Get both the multimeter and 2601B-PULSE current readings at the negative zero value.
The 2601B-PULSE measurement is not necessary if this step is being done on the
CALA sense mode.
The two measurements should be made as close as possible in time. Use this command for the
2601B-PULSE:
Z_rdg = smua.measure.i()
21. Turn off the output and disable the pulser:
smua.source.output = smua.OUTPUT_OFF
smua.pulser.enable = 0
22. Set the source output to the negative full-scale value, for example:
smua.source.leveli = -225e-3
23. Enable the pulser and turn on the output:
smua.pulser.enable = 1
smua.source.output = smua.OUTPUT_ON
24. Allow the readings to settle.
25. Get the multimeter and 2601B-PULSE current readings at the negative full-scale output value.
The 2601B-PULSE measurement is not necessary if this step is being done on the
CALA sense mode.
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