Clarification of question -- RE: [En-Nut-Discussion] HardwareQuestion -- PCB Layout help?

[Alexander Baranov]

Hi.
I can send you a pdf. file, but it is 845 KB. Would it be OK?
Alex
----- Original Message ----- 
From: "Alex Hay" <alex at lfiinternational.com>
To: "Ethernut User Chat (English)" <en-nut-discussion at egnite.de>
Sent: Monday, January 12, 2004 5:14 PM
Subject: Clarification of question -- RE: [En-Nut-Discussion]
HardwareQuestion -- PCB Layout help?


> Thanks for the responses!  Now let me clarify. . .
>
> I downloaded evaluation version of lots of different software packages -
> Protel, Orcad, Multisim, etc.  I found Eagle the easiset to use, and of
> course it is nice that the Ethernut schematic is already done in Eagle.
So
> I'm going to buy a copy of Eagle, but that's not where I need help.
>
> What I'm looking for is information about the art of actually placing and
> wiring components on a board.  For example, I know that it is a good idea
to
> use decoupling capacitors near digital ICs, but how big and how many?
When
> do I need a ground plane and when can I just use separate analog and
digital
> grounds connected at the power input?  How wide do my traces need to be
for
> high-current drivers?  When a new PCB has been made by a clueless person
> (like me), what are the most common problems?  I know that PCB design is
> more than just placing all the components on the board and hitting the
> "autoroute" button -- what more do I need to know?
>
> Thanks again,
>
> -Alex
>
> ---------------------------------
>
>   Alex Hay
>   Systems Engineer
>   alex at lfiinternational.com
>
>   LFI International
>   13221 SE 26th Street, Suite H
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>
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>
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