10-2 Sweep Operation 2400 Series SourceMeter
®
User’s Manual
Sweep types
Sweeps allow you to program the instrument to step through specific voltage and current
values and perform measurements at each source value. The four basic sweep types, which
are described in the following paragraphs, include:
• Linear staircase
• Logarithmic staircase
• Custom
• Source memory
NOTE Only voltage or current sweeps can be performed. Sweep readings are automat-
ically stored in the buffer. See Section 9 for details on the data store (buffer).
Linear staircase sweep
As shown in Figure 10-1, this sweep steps from a start source value to an ending (stop)
source value. Programmable parameters include the start, stop, and step source levels.
When this sweep is triggered to start, the output will go from the bias level to the start
source level. The output will then change in equal steps until the stop source level is
reached. With trigger delay set to zero, the time duration at each step is determined by the
source delay and the time it takes to perform the measurement (NPLC setting). Note that
the delay cannot change once a sweep is configured and running and is the same for all
steps.
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