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5
GENERAL INFORMATION
Introduction
O
The PM 3347 is a trigger-delay plug-in unit for the
basic oscilloscope PM 3330.
The unit can supply a sawtooth voltage for X-
deflection (TIME-BASE B) as well as a delayed
trigger pulse.
With this pulse, the time-base generator of the basic
oscilloscope (TIME-BASE A) can be started.
Using this operating method, a selected part of the
display can be magnified across the entire screen-
width so that accurate measurements are possible.
Moreover, possible time-jitter in the magnified display
can be eliminated.
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