[sdiy] (easy) resonant filter

Paul Maddox Paul.Maddox at wavesynth.com
Wed Sep 5 00:08:58 CEST 2001


Seb,

> can anyone pont me towards the worlds simplest resonant filter
schematic-i'm
> bored an want to build something, doesn't have to be voltage controllable,
> but no CEM chips (preferably, just diodes, and simple op amps). nothing
> fancy. or anything else realy simple and fun.

to be honest the moog ladder isnt that hard..
Tom had a nice work version, used two opamps, ca3046 and some 2n3904's..
worked well and was easy (he even had a PCB layout)..
Its a bit harder than you basic 12dB OTA based, but its a lot more rewarding
to hear :-)

Paul
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