Clarification of question -- RE: [En-Nut-Discussion] HardwareQuestion -- PCB Layout help?
Baranov at intech21.com
Mon Jan 12 23:41:47 CET 2004
I can send you a pdf. file, but it is 845 KB. Would it be OK?
----- 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.
> 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
> use decoupling capacitors near digital ICs, but how big and how many?
> do I need a ground plane and when can I just use separate analog and
> grounds connected at the power input? How wide do my traces need to be
> 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 Hay
> Systems Engineer
> alex at lfiinternational.com
> LFI International
> 13221 SE 26th Street, Suite H
> Bellevue, Washington 98005
> (425) 644-2777 Voice
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