PRELIMINARY BETA. NOT FOR REDISTRIBUTION.
The Hardware Book is freely distributable but is copyrighted to Joakim Ögren. It may not be modified and re-distributed without the authors permission.
427
Chapter 5: Circuit Menu Active Filter: Linkwitz 24dB Highpass
Active Filter: Linkwitz
(4st order, 24 dB/octave, Highpass)
C=4.7n-10nF
Ra=Rc=1/(2*sqr(2)*pi*Fc*C)
Rb=Rd=2Ra
Units: Rx [Ohm], C [F], Fc [Hz]
Contributor: Joakim Ögren
Source:?
Please send any comments to Joakim Ögren.