[sdiy] CV pedal for Filter Factory

[harry]

Well FUNNY about this but I just resurrected my 20 year old CV
Pedal made from an old CryBaby.  I used a single NPN Transistor as a voltage

follower so that the output would be reasonably independant of the load.

You could also use a higher value pot that way... and maybe extend battery
life as well.

No need to though... a simple pot will be OK as well....

H^) harry

Joe Kramer wrote:

> Hi Folks,
>     How do I make a simple CV circuit for use in a footpedal?  Do I need
> some kind of active circuitry, like a buffer amp, or can I get away with
> just a pot and a voltage source?  I've already got an empty footpedal
> shell and would like to run the whole thing off a 9V battery if
> possible.  The Filter Factory has a CV input for the filter frequency,
> and gives no specs other than that it's 1V/oct.  Thanks.
>
> Regards,
> Joe Kramer

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