[sdiy] VCA controls

[Scott Bernardi]

For a VCA, about the only control that makes sense is a master level
control.  If you're using an OTA to make the VCA, just put a log pot in
the feedback loop of the opamp it feeds.  Example:
http://home.attbi.com/~sbernardi/elec/og2/og2_dual_linear_vca.gif

Tim Ressel wrote:

> Yo,
>
> I'm Laying out the front panel for my VCA, and unlike
> the other modules, this one doesn't have any controls
> right now. The front panel looks kinda empty. I was
> going make it a dual, just to fill in space. But
> instead should I add some controls? If so, what
> controls?
>
> I know you all hate to give out your opinions...
>
> ;-)
>
> --TR
>
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--
Scott Bernardi
sbernardi at attbi.com