Re: gEDA-user: pcb, howto partition power planes?

[Steven Michalske <smichalske@xxxxxxxxx>]

http://www.analog.com/en/interface/digital-isolators/ADUM5401/products/product.html

DONE

On Oct 27, 2008, at 8:39 AM, Stefan Salewski wrote:

> Sometimes it is necessary/recommended to partition (separate) power or
> ground planes, i.e. for ADC or DC/DC-Converters, see page 16 and 17 in
>
> http://focus.ti.com/lit/ug/slwu028c/slwu028c.pdf
>
> We can do this in pcb program with (adjoining) polygons.
> Disadvantage is, that if we change the size of one of the polygons we
> have to manually adjust the other sizes. A other method may be so  
> divide
> a large polygon by copper clearing traces (with trace width zero).
>
> This is related to my question from
>
> http://archives.seul.org/geda/user/Sep-2008/msg00387.html
>
> but not identical.
>
> What is the best way to handle this?
>
> Best regards
>
> Stefan Salewski
>
>
>
>
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