[sdiy] Looking for 2164 12db/oct slopes bandpass filter design.. more detailed..

[Jean-Pierre Desrochers]

In fact I should have been clearer on my needs..
I'm looking for a 2164 based  bandpass filter design
Built with one separate 2 poles lowpass (12db/oct) (2164 section #1+2)
In series with one separate 2 poles highpass (12db/oct) (2164 section #3+4).
These 2 blocks in series  make it possible to feed 2 separate & different
cutoff CV's
Thus having the possibility to open or close a 'gap' between the cutoffs
Creating a variable bandwidth for the overall bandpass filter CV controlled.
That's why I cannot use a 'derivated' bandpass from a lowpass design
using pole mixing because the cuttof freq would be the same
All around the 2164 blocks..
I'm only looking for schematics of:
-2 poles 2164 based lowpass filter (12db/oct slope)
-2 poles 2164 based highpass filter (12db/oct slope)

Your ideas are welcomed.
J-Pierre


-----Message d'origine-----
De : synth-diy-bounces at dropmix.xs4all.nl
[mailto:synth-diy-bounces at dropmix.xs4all.nl] De la part de Jean-Pierre
Desrochers
Envoyé : 7 mars 2014 11:34
À : synth-diy at dropmix.xs4all.nl
Objet : [sdiy] Looking for 2164 12db/oct bandpass filter design..

Looking for 2164 based 12db/oct bandpass filter design..

Any web link ?

Thanks
JP
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