Signals-From-Noise: The Incredible Mock Analog Low-Pass Filter
by Dave Van Ess, Principal Application Engineer, MTS, Cypress Semiconductor

I got this idea for this column from looking at a book of family recipes from the WW-II era. One that struck my interest was one called Mock Apple Pie, using Ritz crackers instead of apples. Inspired, I decided to build an analog filter without a linear amplifier.

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