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[SI-LIST] Re: Fwd: Re: Copper pours on a 2-layer PCB

From: "Carlos Toro" <torocar@xxxxxxxxx>
To: "Bob C." <busybob@xxxxxxxxx>
Date: Mon, 13 Nov 2006 20:33:32 -0500

Bob, Thanks for the information. We will keep these manufacturers contact
info handy, but for this
particular prototype, one of the goals is evaluating if two layer boards
(manufactured by a local PCB house)
can supply the requirements of the product.
Thanks a lot for the ZIlog app note.



On 11/13/06, Bob C. <busybob@xxxxxxxxx> wrote:
>
> Mr. Toro,
>
>   Here are a list of PCB Manufacturers that have done great work for my
> company.
>        http://www.4pcb.com/index.htm
>        http://www.pcbexpress.com/  -  Used in the last few months with
> positive results.  Inexpensive as well.
>
>   For quality multilayer mixsignal:
>        http://www.mei4pcbs.com/
>
> It sounds like the first two would fit your application perfectly.
>
>   As for your questions for power / gnd, here is a pdf from Zilog that
> references Ansi/IPC-D-275 that shows
> methods for layout.
>        www.zilog.com/docs/z8/appnotes/minimizing_emi.pdf
>
> Ideally, a 4-layer would be better.  With the following;  L01-Sig/Gnd
> fill, L02-Gnd Plane, L03-Pwr Plane, L04-sig/Gnd fill.
>
> Good luck,
>                Bob C.
>
>



-- 
Carlos Toro B
Design Engineer
JAVERIANA STEREO
Calle 18 No. 118-250
Cali, Colombia
South America

Office Phone: +57 2 2725032
Mobile Phone: +57 315 474 5872


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