[sdiy] Single chip VCF-VCA & ADSR alternative in 2020 ??

Tom Bugs admin at bugbrand.co.uk
Wed Mar 25 15:23:38 CET 2020


Check Alfa for the AS3394: http://www.alfarzpp.lv/eng/sc/application.php

On 25/03/2020 14:08, Jean-Pierre Desrochers wrote:
>
> Hi list,
>
> Is there any available IC today that combines VCF, VCA & ADSR features
>
> In a single chip ?
>
> I know the CEM3394 (VCO, VCF, VCA)
>
> And the CEM3391 (VCF, VCA, ADSR) have been out there
>
> for a long period but are they still available ?
>
> And if not does-it exist alternatives ?
>
> I’m designing a 6 voices polyphonic module the would have
>
> -6 CV’s inputs (1v/oct)
>
> -6 VCO audio inputs (VCO’s waves from other modules)
>
> -6 Gate inputs to drive the new module ADSR’s .
>
> So this new module would be a 6 voices poly synth without VCO’s.
>
> The CEM3391 could be a nice IC for the 6  I’d need here..
>
> A good choice ? Or not ?
>
> BTW I’m trying to avoid doing a complete synth circuit out of
>
> separate VCF, VCA and ADSR chips. Too many components..
>
> JP
>
>
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