Butterworth 12dB Lowpass

From HwB

(2nd order, 12 dB/octave, Lowpass)

Cir ActiveFilter2L.png

R=4.7k-10 kΩ

<math>Ca=\frac {1.414}{2\pi \times Fc \times R}</math>

<math>Cb=\frac {0.7071}{2\pi \times Fc \times R}</math>

Units: R [Ω], Cx [F], Fc [Hz]

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