Series 2600B System SourceMeter® instrument Reference Manual Section 9: TSP command reference
2600BS-901-01 Rev. F/August 2021 9-245
Details
Use the smuX.source.limiti attribute to limit the current output of the voltage source. Use
smuX.source.limitv to limit the voltage output of the current source. The SMU always uses
autoranging for the limit setting. Use the smuX.source.limitp attribute to limit the output power of
the source.
Set this attribute in the test sequence before the turning the source on.
Using a limit value of 0 results in error code 1102, "Parameter too small," for v and i. Setting this
attribute to zero disables power compliance for p. When setting the power compliance limit to a
nonzero value, the SMU adjusts the source limit where appropriate to limit the output to the specified
power. The SMU uses the lower of the programmed compliance value (the compliance level that is if
power compliance is disabled) or the limit calculated from the power compliance setting.
Reading this attribute indicates the presently set compliance value. Use
smuX.source.compliance to read the state of source compliance.
Example
Sets the voltage limit of SMU channel A to 15 V.
Also see
“DUT test connections” in the Series 2600B User's Guide
smuX.source.compliance (on page 9-240)
smuX.source.func (on page 9-242)
smuX.source.output (on page 9-249)
smuX.source.lowrangeY
This attribute sets the lowest source range that is used during autoranging.
SMU reset
Instrument reset
Recall setup
Voltage:
2601B, 2602B, 2604B: 100e-3 (100 mV)
2611B, 2612B, 2614B, 2634B, 2635B, 2636B: 200e-3
(200 mV)
Current:
2601B, 2602B, 2604B, 2611B, 2612B, 2614B: 100e-9
(100 nA)
2634B, 2635B, 2636B: 1e-9 (1 nA)
Usage
sourceRangeLow = smuX.source.lowrangeY
smuX.source.lowrangeY = sourceRangeLow
Set to the lowest voltage (in volts) or current (in amperes) range to be used
Source-measure unit (SMU) channel (for example, smua.source.lowrangev
applies to SMU channel A)
SMU source function (v = voltage, i = current)
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