4.4 Thresholding (Zero-Suppress - ZS1 option)
52 Acqiris SA220P User's Manual
Figure 4.5 - Zero-suppress sequence and gate markers. Note that the 3
rd
peak is not acquired in a gate since it is
not in a triggered record.
Trigger
All trigger sources can be used (See Trigger (page 15)).
A post-trigger can be used (positive trigger delay). A pre-trigger (negative trigger delay) is not
supported.
Triggered record
For each trigger a triggered record. A triggered record is identified by a trigger marker and a stop-
record marker.
The gates are detected only within a triggered record.
Gate
A gate starts whenever the data sample value is equal to or above the threshold.
A gate stops whenever the data sample value is read below the threshold minus hysteresis value.
The start and stop gates are returned with a resolution of 1 sample. The gated-record can contain up
to 7
1
samples below the threshold before the signal of interest and up to 31 samples below the
hysteresis value at the end of the gate.
.
1
For the SA220P.
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