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Vdc in ripple factor
V_p(rect) is the rectified unfiltered peak voltage
V_r(pp) is the peak-to-peak voltage after filtering by a capacitor
Here is a picture:
V_r(pp) is given by the expression:
Which I have no problem ...
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Full-wave bridge rectifier with capacitor filter and ripple voltage
According to various sources, the ripple voltage of a full-wave bridge rectifier is
$$ V_r = \frac{V_s}{2}fCR $$
where \$V_s\$ is the peak of the input voltage source, \$f\$ is the frequency, \$C\$ ...
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