System SourceMeter® Instrument Reference Manual Section 7:
2600BS-901-01 Rev. C / August 2016 7-239
Example
smua.source.highc = smua.ENABLE
Activates high-capacitance mode
Also see
High-capacitance mode (on page 3-65)
smuX.source.levelY
This attribute sets the source level.
Type TSP-Link accessible Affected by Where saved Default value
Instrument reset
Usage
sourceLevel = smuX.source.levelY
smuX.source.levelY = sourceLevel
The source value; set to one of the following values:
Voltage: 0 V to ±40 V (Models 2601B/2602B/2604B)
Voltage: 0 V to ±200 V (Models 2611B/2612B/2614B/2634B/2635B/2636B)
Current: 0 A to ±3 A (Models 2601B/2602B/2604B)
Current: 0 A to ±1.5 A (Models 2611B/2612B/2614B/2634B/2635B/2636B)
Source-measure unit (SMU) channel (for example, smua.source.levelv applies
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 smuX.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 smuX.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.
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