[SI-LIST] Re: Ground stitching vias for EMI control
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 09 Apr 2013 14:25:23 -0700
It makes for convenient break-away sections.
Steve.
On 4/9/2013 10:47 AM, Balaji G wrote:
> Hi all,
> I recently came across a thumb rule in a book for Faraday shield or
> Ground Fencing to control the stray EMI generated in the board is 'Ground
> vias must be stitched at a distance lambda/20 '. I guess the book was
> written some 5 years ago. Now, Is this rule still valid for present 5Gps,
> 10Gbps designs having high speed signals in Microstrip? If simulation is
> the only way for validating the use of ground stitch via shielding in high
> speed design, I would be happy to know if there is any tool.
>
> Regards,
> Balaji
>
>
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