7: TSP command reference Series 2600B System SourceMeter® Instrument
7-44 2600BS-901-01 Rev. B / May 2013
Details
Data for pulsed current measurements are stored in the reading buffer specified by the buffer input parameter.
This function configures a logarithmic pulsed voltage sweep with a current measurement at each point.
Measurements are made at the end of the ton time.
The magnitude of the first pulse will be start volts; the magnitude of the last pulse will be stop volts. The
magnitude of each pulse in between will be LogStep
n
volts larger than the previous pulse, where:
LogStepSize = (log10(stop) - log10(start)) / (points -1)
LogStep
n
= (n - 1) * (LogStepSize), where n = [2, points]
SourceStepLevel
n
= antilog(LogStep
n
) * start
This function does not cause the specified smu to output a pulse train. It does check to see if all the pulse
dimensions can be achieved, and if they can, assigns the indicated tag or index to the pulse train. The
InitiatePulseTest(tag) and InitiatePulseTestDual(tag1, tag2) functions are used to initiate a
pulse train assigned to a valid tag.
Figure 132: ConfigPulseVMeasureISweepLog()
Example
ConfigPulseVMeasureISweepLog(smua, 0, 1,
10, 1, 10e-3, 20e-3, 10,
smua.nvbuffer1, 6)
Set up a pulsed logarithmic sweep that uses System
SourceMeter
®
instrument channel A. The pulsed
sweep starts at 1 V, ends at 10 V, and returns to a
0
V bias level between pulses. Each pulsed step is on
for 10 ms, and then at the bias level for 20 ms.
The current limit will be 1 A during the entire pulsed
sweep. The
pulse train will be comprised of 10 pulsed
steps, and the pulse train will be assigned a tag
Also see
InitiatePulseTest() (on page 7-103)
InitiatePulseTestDual() (on page 7-104)
KIPulse factory script (on page 5-21)
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