2600AS-901-01 Rev. B / September 2008
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19-243
Series 2600A System SourceMeter® Instruments Reference Manual
Section 19: Remote Commands
Table 19-5
KISweep TSP test script: SweepILogMeasureV
TSP project name:
KISweep
TSP test script name:
KISweep
Function:
SweepILogMeasureV(smu, starti, stopi, stime, points)
Description
Performs a logarithmic current sweep with voltage measured at every step (point):
• Sets the
smu
to output
starti
amps, allows the source to settle for
stime
seconds and then performs a voltage measurement.
• Sets the
smu
to output the next amps step, allows the source to settle for
stime
seconds and then performs a voltage measurement.
• Repeats the above sequence until the voltage is measured on the
stopi
amps step.
The source level at each step (SourceStepLevel) is automatically calculated as
follows:
MeasurePoint
= The step point number for a measurement. For example, for
a 5-point sweep (
points
= 5), a measurement will be performed at
MeasurePoint 1, 2, 3, 4 and 5.
LogStepSize = (log10(stopi) – log10(starti)) / (points – 1)
LogStep = (MeasurePoint – 1) x (LogStepSize)
SourceStepLevel = antilog(LogStep) x starti
Parameters
smu, starti, stopi, stime, points
smu:
SourceMeter instrument channel (A or B). Defaults to SMU A if all
parameters are omitted when function is called.
starti:
Sweep start current in amps.
stopi:
Sweep stop current in amps.
stime:
Settling time in seconds. Occurs after stepping the source and before
performing a measurement.
points:
Number of sweep measure points (must be
≥
2).
Data
Voltage measurements, current source values and timestamps are stored in
smuX.nvbuffer1
.
starti
=
Volt
ag
e
m
e
as
ure
m
ent
stopi
stime
stime
stime