SV: Re: [sdiy] QVCO schemo up

[karl dalen]

--- James Patchell <patchell at cox.net> skrev:

> But not very different from the one in the Nov/Dec issue of Polyphony 1980 
> on page 26 .... :-).... 

Wich i have! No!

>or on page 80 of the Analog Devices Nonlinear 
> Circuits Handbook...

Wich i also have! No :)

Is this assembled "designer notes" into a book volume?

KD
 
> At 10:30 PM 11/11/2005 +0100, JH. wrote:
> >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
> > >
> > >
> 
>          -Jim
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> http://www.oldcrows.net/~patchell
> 
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> 
>