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Mail Archives: geda-user/2012/11/01/05:30:35

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To: geda-user AT delorie DOT com
From: Rupert Swarbrick <rswarbrick AT gmail DOT com>
Subject: Re: [geda-user] datamatrix on PCB
Date: Thu, 01 Nov 2012 09:24:17 +0000
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References: <20121029195537 DOT 77aff686 AT jive DOT levalinux DOT org>
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Ouabache Designworks <z3qmtr45 AT gmail DOT com>
writes:
> Great, Break up your ground plane and fill it with bits of floating metal.
> Your emc compliance engineer is going to have a fit.

I can see this could be a problem...

Would a "moat" cut out of the copper around the QR code help with this
or not?  How about if it were supplemented with an extra square track
acting as a sort of guard trace / Faraday cage? (I know almost nothing
about design at RF frequencies, so this is a genuine, if na=C3=AFve,
question!)

Rupert

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