[sdiy] Soft sync?

[David G. Dixon]

Thanks to everyone for their excellent responses.


> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> bounces at dropmix.xs4all.nl] On Behalf Of ChristianH
> Sent: Monday, February 16, 2009 10:08 AM
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Soft sync?
> 
> On Mon, 16 Feb 2009 09:34:11 -0800 "David G. Dixon"
> <dixon at interchange.ubc.ca> wrote:
> 
> > Newbie alert:
> >
> > I know that "hard sync" is overriding an oscillator's integrator reset
> with
> > an external trigger.  What is "soft sync"?
> 
> 
> As I understand it, hard sync injects a reset pulse after the comparator.
> 
> Soft sync injects some voltage before the comparator, so it only
> generates a reset pulse if the oscillation cycle is already within a
> certain percentage before the unsynced reset (that is, the added voltage
> is enough to trigger the comparator prematurely).
> 
> Christian
> 
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