[sdiy] ASM-1 VCO: Sensitivity of linear FM Inputs?

[Steve Ridley]

> I happen to have the first Electronotes volume, and in there is the 258's
> waveshape circuit, piece for piece, with a reference that that diagram was
> from another publication, I believe EDN, originally published in the mid
> sixties sometime.

Yes, that's right.  Fet sine shaper, From "Electronics" 1965.  Don
used it in the older 158 VCO (1970?).  Appeared in Electronotes
Volume 1 (1972).  Is nothing new in analogue electronics?


Steve

(Who picked up a huge compilation of old "Electronics" articles
from the 1960s and it still trying to find a musical application of
a "Fantastron!)