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We suggest you read the TIME
CONSTANTS before
tackling this one.
The integrator consists
of a capacitor and
resistor connected as
shown.
A PULSE TRAIN is applied
to the input.
When an input pulse
rises rapidly to maximum
the capacitor charges
exponentially through
the resistor as shown in
the lower waveform.
When the input pulse
falls suddenly to zero
the capacitor discharges
exponentially to zero.
The process is repeated
for each pulse giving
the waveform shown.
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