MF4 filter equivalent, 4th order switched capacitor butterworth lowpass filter.
n n n n n n n n n Low Cost Easy to use 8-pin mini-DIP or 14-pin wide-body S.O. No external components 5V to 14V supply voltage Cutoff frequency range of 0.1 Hz to 20 kHz .
or for tighter cutoff frequency control an external TTL or CMOS logic compatible clock can be applied. The maximally fl.
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