Bessel 12dB Highpass

From HwB

(2st order, 12 dB/octave, Highpass)

Cir ActiveFilter2H.png

C=4.7n-10nF

<math>Ra=\frac {1.1017}{2\pi \times Fc \times C}</math>

<math>Rb=\frac {1.4688}{2\pi \times Fc \times C}</math>

Units: Rx [Ω], C [F], Fc [Hz]

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