Section 7: Theory of operation Model 2601B-PULSE System SourceMeter Instrument Reference Manual
7-30 2601B-PULSE-901-01A April 2020
SMU pulse width
The pulse width is the interval between 10% on the rising (leading) edge to 90% on the falling (trailing)
edge. In the extended operating area, the SMU automatically limits the pulse width to the maximum
value allowed for the region in which the SMU is operating, even if you have configured a longer
pulse width. Exceeding the specified pulse width limits can result in short pulses. The pulse width jitter
can vary due to the pulse width (this is especially important for short pulse widths).
With respect to pulse width, jitter is the short-term instability of the trailing edge relative to the
leading edge.
Review the 2601B-PULSE SMU specifications for information on source settling time. For the latest
specifications, go to tek.com/keithley.
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