2470 High Voltage SourceMeter Instrument Reference Manual
Section 14: TSP command reference
2470-901-01 Rev. A /
May
2019
14-161
Details
When the instrument is measuring low current and is driving a capacitive load, you may see
overshoot, ringing, and instability. You can enable the high capacitance mode to minimize these
problems.
Example
smu.source.highc = smu.ON
Turn the high capacitance mode on.
Also see
High-capacitance operation
(on page 5-24)
smu.source.level
This attribute immediately selects a fixed amplitude for the selected source function.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Attribute (RW)
Yes
Restore configuration
Instrument reset
Power cycle
Source configuration list
Function change
Configuration script
Source configuration list
0
Usage
sourceLevel
= smu.source.level
smu.source.level =
sourceLevel
sourceLevel
Current: –1.05 A to 1.05 A
Voltage: –1100 V to 1100 V
Details
This command sets the output level of the voltage or current source. If the output is on, the new level
is sourced immediately.
The sign of the source level 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.
If a manual source range is selected, the level cannot exceed the specified range. For example, if the
voltage source is on the 2 V range, you cannot set the voltage source level to 3 V. When autorange is
selected, the amplitude can be set to any level supported by the instrument.
Example
smu.source.func = smu.FUNC_DC_VOLTAGE
smu.source.level = 1
Set the instrument to source
voltage and set it to source 1 V.
