Section 9: TSP command reference Series 2600B System SourceMeter® instrument Reference Manual
9-234 2600BS-901-01 Rev. F/August 2021
smua.measure.count = 10
smua.measure.v(smua.nvbuffer1)
Makes 10 voltage measurements using SMU channel A and
stores them in a buffer.
Also see
Reading buffers (on page 3-1)
smuX.measure.count (on page 9-220)
smuX.measure.overlappedY() (on page 9-229)
smuX.nvbufferY (on page 9-235)
smuX.measureYandstep()
This function makes one or two measurements and then steps the source.
Usage
reading = smuX.measureYandstep(sourceValue)
iReading, vReading = smuX.measureivandstep(sourceValue)
The measured reading before stepping the source
Source-measure unit (SMU) channel (for example, smua.measurevandstep()
applies to SMU channel A)
SMU measurement function (v = voltage, i = current, r = resistance, p = power)
Source value to be set after the measurement is made
The current reading before stepping the source
The voltage reading before stepping the source
Details
The smuX.measureYandstep() function makes a measurement and then sets the source to
sourceValue. Usage of the smuX.measureivandstep() function is similar, but makes two
measurements simultaneously, one for current (i) and one for voltage (v).
Measurements are in the following units of measure: v = volts, i = amperes, r = ohms, p = watts.
Make sure the specified source value is appropriate for the selected source function. For example, if
the source voltage function is selected, then sourceValue is expected to be a new voltage level.
Both source and measure autorange must be disabled before using this function. This function cannot
be used if source high capacitance mode is enabled (high capacitance mode requires autoranging to
be enabled).
This function is provided for very fast execution of source-measure loops. The measurement is made
before the source is stepped. Before using this function, and before any loop this function may be
used in, set the source value to its initial level.
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