[sdiy] AN299 VCO

[Paul Perry]

I always thought that Jim Williams used the self-heated & self-sensing
CA3046 first, when he was designing test gear at MIT. He started there in
1968, but I can't find whatever reference gave me the idea.

paul perry Melbourne Australia

-----Original Message-----
>I took a look, and the Lib, Micro, Multi, Source and Prodigy do use this 
>method, and there are some slight differences in the circuits - mainly 
>in how the heating transistor is controlled.  The Moog circuit is a bit 
>different than AN-299 but the basic concept looks similar - I wonder 
>which has precedence?