Bessel 12dB Highpass

From HwB

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

Image:cir_ActiveFilter2H.png

C=4.7n-10nF

Ra=\frac {1.1017}{2\pi \times Fc \times C}

Rb=\frac {1.4688}{2\pi \times Fc \times C}

Units: Rx [Ω], C [F], Fc [Hz]

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