[SI-LIST] Re: 20H Rule theoretically investigated with simulation.
- From: Ritchey Lee <leeritchey@xxxxxxxxxxxxx>
- To: dmckean@xxxxxxxxxxxxxxx
- Date: Thu, 10 Oct 2002 08:32:19 -0700
Based on the information I have seen on this rule, it is a guess. Two
professors at San Francisco State did analysis on 20H designe PCBs vs.
those with planes even at the edges and demonstrated that what EMI there
is a the edge of a PCB is made worse by the 20H rule.
Lee
Doug McKean wrote:
> http://www.scvemc.org/scvemc/may_ieee_emc_2000s.pdf
>
> Essentially, the 20H Rule can be thought of as turning an
> effective slot antenna into an ineffective patch antenna.
>
> Comments?
>
> Regards, Doug McKean
>
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