Section 5: Sourcing and measuring
Configuring measurements during a sweep
You can make measurements during a sweep using the smuX.trigger.measure.Y() function.
When sweeps are run, measurements are stored in the specified reading buffer for later recall. You
can specify which reading buffer stores the readings. For example, to store the voltage readings
made during the sweep, send the commands:
smua.trigger.measure.v(vbuffername)
smua.trigger.measure.action = smua.ENABLE
To recall sweep data using the virtual front panel:
1. Press the RECALL key.
2. Select DATA or STATISTICS.
3. If you selected DATA: Select the buffer and use the navigation wheel or cursor keys to choose
reading numbers to display.
4. If you selected STATISTICS: Select the buffer and use the navigation wheel or cursor keys to
choose MEAN, STD DEV, SAMPLE SIZE, MINIMUM, MAXIMUM, or PK-PK.
Recalling readings from the reading buffer using the virtual front panel can be done only if one of the
dedicated reading buffers is used to store the sweep data.
To recall sweep data using remote commands:
Use the printbuffer() function to request buffer readings.
See
Reading buffers
Source and measurement delays
Whenever the source-measure unit (SMU) outputs a source value in a sweep, it also applies the
programmed source delay. The default source delay is zero (0) seconds. Set an additional source
delay using the smuX.source.delay attribute.
Whenever the SMU makes a measurement in a sweep, it also applies any configured measurement
delays. Use the smuX.measure.delay attribute to program a specific measurement delay. The
default measurement delay varies by measure range.
5-44
Model 2606B System SourceMeter® Instrument Reference Manual
(on page 6-1) for details about recalling data from the buffer.
2606B-901-01 Rev. C November 2021
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