[sdiy] JH's lag core was 'some other thread'

[JH.]

Wow - Tony just sent me a drawing that looks damn familiar.
Seems we have to add Serge to the list of DBX and SSM now.

JH.



----- Original Message ----- 
From: "JH." <jhaible at debitel.net>
To: "Oakley Sound" <tonyallgood at btinternet.com>; "Synth DIY"
<synth-diy at dropmix.xs4all.nl>
Sent: Friday, August 26, 2005 10:08 AM
Subject: Re: [sdiy] JH's lag core was 'some other thread'


> I'm not into any who-owns-what game, but out of curiosity, I'd love to
> see the Serge circuit in question.
>
> I'm quite sure there's very similar work preceding my VCLAG - for
> instance, the famous DBX VCA core is practically the same thing biased
> in class A, as I learned later. And, as is well-known, my VCLAG was
> partially derived from the SSM VCADSR data sheet's block diagrams.
> So again, I'm certainly not making "claims".
>
> But *Serge* should have used the same thing? I have yet to see that.
> I know there's a *linear* VC integrator core used by Serge (and by
> Korg, for that matter). Very different, even if it looks similar at first
> glance.
>
> JH.
>
> PS.: I have no idea why this is coming up now. I've deleted a lot of mails
> lately.
>
>
>
>
>
> > > The invention of the 'servo' driving the transistors (barring other
> > > evidence to the contrary) seems to belong to JH.
> >
> > The first commercial implementation of this was in the Serge VC-ADSR. I
> > know that Jurgen did not copy this and he had done his work on his own
as
> > much as one can these days. Thus Jurgen deserves credit for this fine
> > piece of engineering, but not exclusively so.
> >
> > Tony
> >
> > www.oakleysound.com
> >
> >
>