[sdiy] Module idea - you guys get to work (for me!)

[Magnus Danielson]

From: Oren Leavitt <oleavitt at ix.netcom.com>
Subject: Re: [sdiy] Module idea - you guys get to work (for me!)
Date: Thu, 13 May 2004 12:07:24 -0700 (GMT-07:00)
Message-ID: <6645045.1084475245501.JavaMail.root at fozzie.psp.pas.earthlink.net>

> The Moog 921B VCO used this type of approach for its 'phase lock' synchronization.
> Multiply the signal from another VCO with its own, filter it, and feed the offset back to the summing node.

Actually, this is a *classic* PLL. The only odd part is the expo-function in
there, which a normal PLL doesn't have.

Cheers,
Magnus

> Oren
> 
> -----Original Message-----
> From: Peter Grenader <peter at buzzclick-music.com>
> Sent: May 13, 2004 10:03 AM
> To: bobby at csounds.com, synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Module idea - you guys get to work (for me!)
> 
> Shite,  you guys are brilliant!  it worked.  this is terrific.
> 
> - P
> 
> 
> b o b b y wrote:
> 
> > Hi Peter,
> > 
> > multiply them together and run the result through a
> > low-pass filter, that should do the trick.
> > 
> > Bobby
> > 
> > 
> > 
> > --- Peter Grenader <peter at buzzclick-music.com> wrote:
> >> Got an idea.  You can 'kind of' do it now, without
> >> this marvelous invention
> >> I'm thinking of, but...
> >> 
> >> Is there be anyway of extrapolating the phasing of
> >> two lightly detuned VCOs
> >> as a control voltage?  I think this would be really,
> >> really cool.  I guess
> >> if you tuned two VCOs in perfect unison, and
> >> introduced a SLIGHT freq VC on
> >> one of them to induce this phasing, you could use
> >> that CV as the secondary
> >> CV, but it sure would be neat to make something that
> >> just pulled it out form
> >> the two VCO inputs.
> >> 
> >> - P
> >> 
> >> 
> >> 
> >> 
> > 
> 
> 
> 
>