Linkwitz 24dB Highpass

From HwB

(4st order, 24 dB/octave, Highpass)

Cir ActiveFilter4H.png

C=4.7n-10nF

<math>Ra=Rc=\frac {1}{\sqrt{2\pi} \times Fc \times C}</math>

<math>Rb=Rd=2 \times Ra</math>

Units: Rx [Ω], C [F], Fc [Hz]

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