[SI-LIST] Re: EMI Ring in PCB

  • From: jbtera77@xxxxxxxxx
  • To: billw@xxxxxxxxxxx, si-list@xxxxxxxxxxxxx
  • Date: Fri, 16 Feb 2007 10:44:05 +0900

Hi, Bill, Doug Smith, and SI-LIST,
Thanks for your reply.

i meant the radiation from PCB edge. For example, we can use several
techniques such as an edge termination or ring.

Could you please recommend any paper or document which includes a
designguide and its effect when using the technique such as the edge
termination.

Is it really helpful for reducing the radiation from PCB edge? If then, how
is the designguide?

rgs,
Jongbae.


On 2/16/07, Bill Wurst <billw@xxxxxxxxxxx> wrote:
>
> Jongbae,
>
> I believe you may have confused ESD with EMI.  If that is the case, I
> would refer you to Chapter 12 in "Noise Reduction Techniques in
> Electronic Systems" (2nd edition) by Henry W. Ott, and in particular,
> Figure 12-17 on p.343.
>
> Best regards,
>     -Bill
>
>
>       /************************************
>      /         billw@xxxxxxxxxxx         /
>     /                                   /
>    / Advanced Electronic Concepts, LLC /
>   /           www.aec-lab.com         /
>   ************************************
> =======================================================
> jbtera77@xxxxxxxxx wrote:
> > Hi, all
> > Do anybody know about EMI ring and its effect?
> >
> > If someone recomment any document or paper which demonstrates EMI ring
> in
> > PCB, it will be very helpful.
> >
> > Thanks in advance,
> > Jongbae Park.
> >
> >
> >
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