AEMC OX 7102 III, User Manual

Page: 70 / 226

Oscilloscope Mode - The "Trigger" Menu
IV - 70 SCOPIX
Oscilloscope Mode (cont'd)
Pulse
Trigger selection on pulse width.
In all cases the effective triggering occurs on the end of pulse edge.
t > T1
triggers if pulse duration is greater than specified value
T1
t < T2
triggers if pulse duration is less than specified value
T1
t > T1
and
t < T2
triggers if pulse duration is within interval specified by
values
T1
and
T2
t < T1
or
t > T2
triggers if pulse duration is outside interval specified by
values
T1
and
T2
The choice of the or edge in the "Main" tab defines the limits of the
analysis:
•
edge defines a pulse between and
•
edge defines a pulse between and
Example
Signal injected on CH1: 1 pulse of 50 µs (repetitive or not)
The oscilloscope triggers when it sees a pulse whose duration is greater
than specified value (25.0
μ s + tolerance). The trigger occurs on the trailing
edge of the pulse.
The trigger occurs on the ascending edge of the pulse, but is effective on the
trailing edge.
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