On Sun, 29 Oct 2006 11:23:36 -0400
"Timothy Miller" <[EMAIL PROTECTED]> wrote:
> On 10/29/06, Attila Kinali <[EMAIL PROTECTED]> wrote:
>
> > > What I want to do, within reason, is put various video output
> > > standards on TRV10. LVDS for laptop monitors is one of them.
> > >
> > > We'll hack up an OGD1 board at an appropriate time for that feature.
> >
> > Did you already account for this in the layout? Ie does
> > the lines going to the IDC have more or less a defined
> > impedance?
> > Yes, i know that the IDC is anything but a good high frequency
> > connector, but if it's just the connector being missmatched,
> > we could hack up something limiting its disturbance
>
> No. The IDC is not appropriate.
Well, you can go up to 1GHz, even 2GHz over an IDC connector,
given that the wires going to the connector are short.
Ie by using buffers imediatly befor and after the IDC.
> Rather, I suspect we'll try to use
> the pads for the 500MHz DACs, which are already laid out in
> differential pairs. (Assuming we keep them.)
>
> I have to admit that for all I know, that's a horrible idea too. :)
Whatever works :)
Attila Kinali
--
Lotus Notes ist eine verteilte Datenbankapplikation,
als Sample ist eine miese Groupware dabei ;)
-- Lukas Beeler
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