[sdiy] VC phase shift in Tillman's quadrature trapezoid VCO
ulfurh at gmail.com
Thu Jun 28 16:10:03 CEST 2018
very interesting indeed! if anyone has insight as to how VC phase shift could be implemented, i’m all ears too!!
Sent from outer space
> On Jun 28, 2018, at 1:50 PM, Guy McCusker <guy.mccusker at gmail.com> wrote:
> Dear list,
> There is one obvious list member who may be best to answer this but it
> doesn't hurt to spread the net a little more widely I hope...
> Don Tillman's fascinating articles on his Quadrature Trapezoid VCO
> include the tantalising sentences ""The quadrature trapezoid core also
> enables the implementation of voltage controlled phase shift over a
> multiple cycle range. I'll cover the details of this in a later
> article." As far as I can tell this later article did not appear.
> I have tried to figure out how VC phase shift might be implemented but
> so far I am not smart enough.
> Can anyone point me in the right direction please?
> All the best,
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