10-32 Sweep Operation 2400 Series SourceMeter
®
User’s Manual
Pulse Mode sweeps (Model 2430 only)
When performing a sweep with the Model 2430 in the Pulse Mode, each step or point of
the sweep is made up of a pulse period. In general, a pulse period consists of the pulse
width (output on-time) and the output off-time. Figure 10-10 shows an example of a 3-step
linear staircase sweep for the Pulse Mode (start = 1V, stop = 3V, step = 1V). A measured
reading is performed for each of the three pulse steps. Readings are not performed for the
output off-times.
For normal (DC Mode) sweep operation, the time duration spent on each step consists of
the set source delay and the time it takes to perform the measurement. For the Pulse Mode,
source delay is not used. The pulse width consists of the pulse width delay, internal over-
head time and the pulse signal measurement. The output off-time typically consists of zero
and reference measurements (used to calculate accurate pulse readings), internal overhead
time, and an optional pulse delay.
NOTE Details on Pulse Mode operation for the Model 2430 are provided in Section 5.
Figure 10-10
Pulse Mode linear staircase sweep
OV
Off
On
1V
2V
3V
Measure
Pulse #1
Off Off
On
On
Measure
Measure
Pulse #2 Pulse #3
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