Series 2600B System SourceMeter® instrument Reference Manual Section 9: TSP command reference
2600BS-901-01 Rev. F/August 2021 9-243
Details
When enabled, the high-capacitance mode has the following effects on the SMU settings:
• smuX.measure.autorangei is set to smuX.AUTORANGE_FOLLOW_LIMIT and
cannot be changed
• Current ranges below 1 µA are not accessible
• If smuX.source.limiti is less than 1 µA, it is raised to 1 µA
• If smuX.source.rangei is less than 1 µA, it is raised to 1 µA
• If smuX.source.lowrangei is less than 1 µA, it is raised to 1 µA
• If smuX.measure.lowrangei is less than 1 µA, it is raised to 1 µA
Example
smua.source.highc = smua.ENABLE
Activates high-capacitance mode for SMU channel A.
Also see
High-capacitance mode (on page 2-69)
smuX.source.levelY
This attribute sets the source level.
SMU reset
Instrument reset
Recall setup
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 (2601B, 2602B, 2604B)
Voltage: 0 V to ±200 V (2611B, 2612B, 2614B, 2634B, 2635B, 2636B)
Current: 0 A to ±3 A (2601B, 2602B, 2604B)
Current: 0 A to ±1.5 A (2611B, 2612B, 2614B, 2634B, 2635B, 2636B)
Source-measure unit (SMU) channel (for example, smua.source.levelv applies
to SMU channel A)
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.
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