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

Tom Wiltshire tom at electricdruid.net
Wed Mar 25 16:35:52 CET 2020


Alfa also have the AS3372E, which includes everything except the envelopes: Mixer VCAs, Filter, output VCA, and additionally panning VCAs (they weren’t in the original chip).

HTH,
Tom

==================
       Electric Druid
Synth & Stompbox DIY
==================

> On 25 Mar 2020, at 14:08, Jean-Pierre Desrochers <jpdesroc at oricom.ca> 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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