On 8/14/06, Xiaofan Chen <xiaofanc@gmail.com> wrote:
> On 8/14/06, Vasile Surducan <piclist9@gmail.com> wrote:
> >
> > Fo me as a cuk user, there isn't any benefit in the cuk structure
> > except maybe the ripple which may be minimised quite low. The
> > efficiency isn't very high and the problems are everywhere.
> >
>
> Maybe Dr S Cuk will not agree. BTW, I almost got the chance to
> see him personally when I was in Irvine last time. Anyway my
> supervisor back in UC Irvine is his student in Caltech.
>
> One of the major problem was (no so sure if it still is) that Cuk
> topology is patented by Cuk. Therefore not many people would
> like to use it.


 Cebashev (eliptical)  filters are also patented but I didn't heard I
must ask someone's agree to use them in a project...


greetings,
Vasile
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