Re: gEDA-user: pcb DRC

[timecop <timecop@xxxxxxxxx>]

>> lol. this is a 6 layer board? it could probably be hand-routed on 2
>> layer and if design actually needs 4 layer for whatever reason, but 6?
>> wtf.
>
> Grounding.  High speed.  EMI ....  see my long post where I explain what
> this board shall do.
>
> The preamp that shall drive the inputs to this board has a
> gain-bandwidth of 1GHz (ADA4817).
>
> I tried with 4 layers and gave up at some point.  It can be done, but
> compromises some of the issues mentioned for no good reason.  Any reason
> not to use six layers, except for slightly higher cost?

yeah, blogged the above without reading the long explanation.


>
> --
> Stephan
>
>
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