Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 11: TSP command reference
2601B-PULSE-901-01A April 2020 11-229
smua.source.levelY
This attribute sets the source level.
SMU reset
Instrument reset
Recall setup
Usage
sourceLevel = smua.source.levelY
smua.source.levelY = sourceLevel
The source value; set to one of the following values:
▪ Voltage: 0 V to ±40 V
▪ Current when the pulser is disabled: 0 A to ±3 A
▪ Bias current when the pulser is enabled: 0 A to ±250 mA
SMU source function (v = voltage, i = current)
Details
This attribute configures the output level of the voltage or current source.
If the source is configured as a voltage source and the output is on, the new smua.source.levelv
setting is sourced immediately. If the output is off or the source is configured as a current source, the
voltage level is sourced when the source is configured as a voltage source and the output is
turned on.
If the source is configured as a current source and the output is on, the new smua.source.leveli
setting is sourced immediately. If the output is off or the source is configured as a voltage source, the
current level is sourced when the source is configured as a current source and the output is
turned on.
The sign of sourceLevel dictates the polarity of the source. Positive values generate positive
voltage or current from the high terminal of the source relative to the low terminal. Negative values
generate negative voltage or current from the high terminal of the source relative to the low terminal.
The reset() function sets the source levels to 0 V and 0 A.
Example
Sets voltage source of SMU channel A to 1 V.
Also see
smua.source.compliance (on page 11-226)
smua.source.func (on page 11-227)
smua.source.output (on page 11-234)
Source-measure concepts (on page 7-1)
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