On 11/30/07, Vesa Solonen <[EMAIL PROTECTED]> wrote:
>
>
> On Fri, 30 Nov 2007, Timothy Normand Miller wrote:
>
> > to the clock you're generating.  The digital problem we're seeing is
> > high-frequency jitter, while the analog one is much lower frequency,
> > on the order of a few Hz.  Indeed, I suspect that a PLL with
>
> Umm I see, are you certain that there is no ground-loop problem in your
> test setup? That analog jitter of few Hz may be some beat with mains
> frequency and vsync. Or ground loop on the pcb...

This could be a factor.  What I do know, however, is that switching to
alternate clock generators clears up the problem significantly.

-- 
Timothy Normand Miller
http://www.cse.ohio-state.edu/~millerti
Open Graphics Project
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