Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 11: TSP command reference
2601B-PULSE-901-01A April 2020 11-219
smua.pulser.source.calibratebiasi()
This function adjusts the new bias source calibration constants for the pulser.
Usage
smua.pulser.source.calibratebiasi(range, cp1Expected, cp1Reference, cp2Expected,
cp2Reference)
The pulser bias-current range to adjust
The source value set for point 1
The reference measurement for point 1 as measured externally
The source value set for point 2
The reference measurement for point 2 as measured externally
Details
The positive and negative polarities must be adjusted separately. To adjust the positive polarity, use
the +250e−3 range; to adjust the negative polarity, use the −250e−3 range.
Typically, the two points that are used are near zero for point 1 and 90% of full scale for point 2. Full
scale for point 2 should be avoided if the source of the SMU is substantially out of calibration.
The new calibration constants are activated immediately but they are not written to nonvolatile
memory. Use the smua.cal.save() function to save the new constants to nonvolatile memory. The
active calibration constants stay in effect until the instrument is power cycled or a calibration set is
loaded from nonvolatile memory with the smua.cal.restore() function.
This function is only available when calibration is unlocked using smua.cal.unlock().
Example
smua.pulser.source.calibratebiasi(250e-3, 1e-10, 1e-5, 0.224, 0.225)
Adjusts the bias source calibration constant for the 250e−3 pulser range using 1e−10 as the source value and
1e−5 for the reference measurement for point 1 and 0.224 as the source value and 0.225 as the reference
measurement for point 2.
Also see
Calibration (on page 13-1)
smua.cal.restore() (on page 11-184)
smua.cal.save() (on page 11-184)
smua.cal.unlock() (on page 11-186)
smua.pulser.measure.calibrateY() (on page 11-214)
smua.pulser.source.calibratei() (on page 11-221)
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