[sdiy] using a vactrol for a voltage divider?

[nicolas]

Ah, that makes sense.  The LFO circuit in question was borrowed from the drive circuit of a BBD delay.


--- On Tue, 22/7/08, Tom Wiltshire <tom at electricdruid.net> wrote:

> 
> > The LFO you linked to uses a fourth method which is
> that the pot  
> > changes the switching voltage of the schmitt trigger. 
> This works  
> > fine if you are mostly interested in the square
> output, but isn't  
> > so good if you want the triangle output as the
> amplitude changes  
> > with frequency.  Not the usual way to make an LFO.
> 
> It's quite often done this way with Chorus circuits,
> since the  
> decreasing triangle amplitude with increasing frequency is
> usually  
> what you're after. Deep modulation at higher speeds
> gets a bit weird.
> 
> Regards,
> Tom


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