Canon FACSIMILE BASIC 2000 Service Manual page 302

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FACSIMILE SYSTEM
6.1.6 Smoothing circuit
If
sating component. The circuit used to reduce this pulsating current and
provide smooth stable DC voltage is called a smoothing circuit.
Fig. 6-33 shows the smoothing circuit. This circuit uses a capacitor to
complement the no-voltage component of the output in the above figure.
When there is voltage, the capacitor is charged, and when there is a no-
voltage component, the capacitor discharges to supply the voltage.
By this action, the smoothing circuit is able to smooth pulsating voltage
that is output from the rectifying circuit to a DC constant voltage.
6–30
AC
is rectified using only a rectifier, the DC output contains a large pul-
Fig. 6-32 Pulsating Component
Capacitor
Fig. 6-33 Smoothing Circuit Using Capacitor
Discharge
Charge
Load

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