[Arm-netbook] Multi-channel audio support

[jonsmirl at gmail.com]

On Sat, Dec 31, 2011 at 3:26 PM, Bari Ari <bari at onelabs.com> wrote:
> On 12/31/2011 01:28 PM, lkcl luke wrote:
>>   i knowww... it's not difficult, for an experienced engineer.  *sigh*
>> we haven't heard from the factory in a while, after they said they
>> were happy to proceed after finishing the current project for their
>> client.
>>
>>
> The trickiest parts are matching the pcb trace lengths for the DDR3 and
> any clock lines used for time of flight (delay line) that are fed back
> to the clock synthesizer.
>
> The rest is just proper board stack ups, trace widths, vias types and
> placement etc for some control over impedance, clock and power distribution.
>
> The low cost and GPL pcb tools don't have much to help the designer. The
> high end pcb tools give you micron accuracy.
>
> So if there is anyway I can help keep things moving along...... don't
> hesitate to ask.

If you do an open design in something Orcad can read I'll have our
layout guys look at it. Maybe we can share core parts of the layout.


>
> -Bari
>
> _______________________________________________
> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
> http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook
> Send large attachments to arm-netbook at files.phcomp.co.uk



-- 
Jon Smirl
jonsmirl at gmail.com