This Simple Low-pass filter Circuit Diagram nonlinear, passive filter circuit rejects ripple (or unwanted
but fairly steady-voltage) without appreciably affecting the rise time
of a signal. The circuit works best when the signal level is
considerably lower than the unwanted ripple, provided the ripple level
is fairly constant. The circuit has characteristics similar to two peak-detecting sample-and-hold circuits in tandem with a voltage average.
Simple Low-pass filter Circuit Diagram
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