Butterworth 24dB Lowpass

(4th order, 24 dB/octave, Lowpass)

R=4.7k-10 kΩ

<math>Ca=\frac {1.0824}{2\pi \times Fc \times R}</math>

<math>Cb=\frac {0.9239}{2\pi \times Fc \times R}</math>

<math>Cc=\frac {2.6130}{2\pi \times Fc \times R}</math>

<math>Cd=\frac {0.3827}{2\pi \times Fc \times R}</math>

Units: R [Ω], Cx [F], Fc [Hz]

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