[sdiy] panning vca

[Matthias Herrmann]

the resistor below the initial control will just limit the pot, no?

> -----Ursprüngliche Nachricht-----
> Von: Synth-diy [mailto:synth-diy-bounces at dropmix.xs4all.nl] Im Auftrag von
> Tom Wiltshire
> Gesendet: Samstag, 23. Januar 2016 10:20
> An: Joe
> Cc: synth DIY
> Betreff: Re: [sdiy] panning vca
> 
> Hi Joe,
> 
> 100K input pots are typical, although with the 200K/100K input resistors,
> the taper will get somewhat distorted. X and Y would usually be Log (signal
> inputs) and CV would be Lin, as would the initial control. The DC trimmer
> could be 100K too, since it's feeding a 1M resistor to provide a touch of
> offset cancellation.
> 
> That resistor below the initial control I have no idea about. You'll have
> to build it and see.
> 
> HTH,
> Tom
> 
> 
> On 22 Jan 2016, at 21:13, Joe <joe.frey at radioles.com> wrote:
> 
> > I am planning on building this single as a panning VCA by Richard
> > Curcio.
> >
> > http://www.sdiy.org/richardc64/mmvca/index.html
> >
> > I can source a CA3080 and since I am only building one I am not worried
> > about expense. Here's the thing, I don't know what pot values to use for
> > the trimmers and I am definitely thrown by the current controlling DC
> > trimmer, though I understand how to wire it. Can anyone take a minute(or
> > few) to help me figure them out? Thanks, Joe.
> >
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