[sdiy] Good 24db/oct HP-LP-BP-Notch.. Enhanced Moog 904c possible solution..

[Julien Delgoulet]

You could also start from here : http://www.oldcrows.net/~patchell/archives/ca3280_8.html


 feature : 24db low pass, 24 db High pass, 12db band pass.




Le 6 mars 2014 à 20:07, Jean-Pierre Desrochers <jpdesroc at oricom.ca> a écrit :

> 
> Here is a modified Moog 904C filter coupler schematic
> to accomodate simultaneous 904A lowpass, 904B highpass circuitries
> and added bandpass + band-reject(notch) all simultaneously.
> (4 filter outputs). As a first throw I'm sure I missed something
> in the design.. Please let me know if you finde something obviously
> not working..
> 
> http://www.arcenson.com/public/Moog_904a-b-c.pdf
> 
> J-Pierre
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