[sdiy] "Load" on power supply changes pitch of VCO...

[Paul Perry]

If you want a stable VCO using an XR-2206, then you need a 
regulated power supply.

paul perry Melbourne Australia

----- Original Message ----- 
From: "Mike Beauchamp" 
> The first VCO I built was Thomas Henry's XR-2206 VCO
> (http://mypeoplepc.com/members/scottnoanh/birthofasynth/id20.html).
> 
> I'm noticing that when I experiment and add various things, the pitch
> changes. It's as though the pitch is dependent on how much current I'm
> drawing from the power supply.
>