[sdiy] QVCO schemo up

[JH.]

Ahh, that's a wonderfully _small_ circuit!
If it produces such low THD over the required frequency range, it's really
interesting. And I don't see any reason why the THD should depend on
frequency, so ...
Quite different from the Tietze/Schenk circuit indeed.

JH.



> Here's the quadrature VCO I discussed yesterday.  Please don't take the 
> indicated signal labels too literally -- they just indicate the 
> correspondence of the circuit to the diff eqns, not the actual voltages.
> 
>    Ian
> 
> http://home.earthlink.net/~ijfritz/xfer.htm
> 
>