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DIGITALLY_TUNED_LOW_POWER_ACTIVE_FILTER

2017-02-20 17:38  
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DIGITALLY_TUNED_LOW_POWER_ACTIVE_FILTER
Circuit NotesConstant gain, constant Q, variable frequency filter which provides simultaneous low-pass, bandpass, and high-pass outputs.With the component values shown, center frequency will be 235 Hz and 23.5 Hz for high and low logic inputs respectively, Q=100, and gain=100. fn=center frequency =1/2πRC