-SCS Pulse Card (PGU and PMU) User's Manual Section 3: Set
ting up PMUs and PGUs in Clarius
4200A-PMU-900-01 Rev. B March 2023 3-7
Step (Pulse Amplitude Sweep)
The voltage size of each step of the sweep. The source level changes in equal steps of this size from
the start level to the stop level. A measurement is made at each source step (including the start and
stop levels).
Clarius never steps the force voltage beyond the value specified by the stop parameter, even if you
specify a step value that is larger than the stop value.
Use a step value that does not result in a fractional number of points. If the point is fractional, the step
value is forced to a value that results in a whole number of points. To calculate the points:
The points are rounded to the nearest value.
For example, if Start = 0 V, Stop = 5 V, and Step = 0.6 V:
In this case, the Step value is forced to 0.625 V, which results in a point value of 9.333, which is
rounded to 9. The instrument forces nine voltages at 0 V, 0.625 V, 1.25 V, 1.875 V, 2.5 V, 3.125 V,
3.75 V, 4.375 V, and 5 V.
Points
The number of points that are measured. This value is calculated by Clarius using the information
entered for the Start, Stop, and Step parameters, using the following equation:
Base
The voltage offset (from 0 V) that is the reference for the pulse amplitude.
Amplitude
The amplitude voltage.
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