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

Andrew Simper andy at cytomic.com
Sun Mar 9 04:15:53 CET 2014


Woops, I accidentally posted this not in plaintext mode. Here it is again:

On 8 March 2014 09:01, Andrew Simper <andy at cytomic.com> wrote:
> There are many many of options for a 4 pole bandpass filter using SSM2164.
> You can either use 2 x 2-pole SVFs or 2 x 2-pole Sallen Key or a 4-pole
> cascade specifically built to be a bandpass, or a 4 pole low cascade with
> pole summing, or a 4-pole SVF.
>
> The OSCar and JP6 both use 2 x 2-pole SVF for this (2-pole highpass ->
> 2-pole lowpass = 4 pole bandpass), so you could use the dual SVF mutable
> instruments board:
>
> http://mutable-instruments.net/shruthi1/build/svf
> (Kudos: David Dixon and Tom Wiltshire for precious discussions on SSM2164
> SVF design.)
>
> and
>
> http://mutable-instruments.net/static/documentation/svf_analysis.pdf
>
> --Andy
>



More information about the Synth-diy mailing list