[SI-LIST] Re: EMI Containment
- From: "Vishram Pandit" <vishrampandit@xxxxxxxxxxx>
- To: vishrampandit@xxxxxxxxxxx, karthikeyan.loganathan@xxxxxx, si-list@xxxxxxxxxxxxx
- Date: Mon, 09 Aug 2004 05:14:03 +0000
Here is the correct link.
http://pcdandm.com/pcdmag/mag/0404/0404pandit.pdf[1]
Thanks,
Vishram
>From: "Vishram Pandit" <vishrampandit@xxxxxxxxxxx> >Reply-To:
vishrampandit@xxxxxxxxxxx >To: karthikeyan.loganathan@xxxxxx,
si-list@xxxxxxxxxxxxx >Subject: [SI-LIST] Re: EMI Containment >Date: Mon, 09
Aug 2004 05:03:35 +0000 >>>Karthik, >>>Here is previously published article
that delineates the EMI containment >methodology. It also discusses the
capacitors stitching.
>>>>http://pcdandm.com/pcdmag/mag/0404/0404pandit.pdf[1] >>>>Thanks,
>>Vishram Pandit >>> >From: "Loganathan, Karthikeyan (GE Consumer
&Industrial)" ><karthikeyan.loganathan@xxxxxx> >Reply-To:
karthikeyan.loganathan@xxxxxx >>To:<si-list@xxxxxxxxxxxxx> >Subject:
[SI-LIST] EMI Containment >Date: Sun, >8Aug 2004 19:32:48 +0530 >>Hi All,
>>Ifound a high speed (operated upto >1Ghz), dense board design total =
>10layers, out of which only one 3.3V >(layer2) Plane and One Gnd Plane =
>(layer9). Other Power traces were routed >individually. >>To reduce the
radiation, they have provided Stitch >Capacitors= >(decoupling) between
layer2 &9, across the board. All the fast >= >switching signals were routed
within these layers. >>I am sure, Stitch >capacitor technique reduces EMI,
but my question is, = >what extent?. Is >anybetter method available? >>As
you know, the return current paths in the >stackup said has wide =
>seperation between signal and reference planes, >also the stitch =
>capacitors (SMT) added will have inherent Lead Inductance >and overall =
>increases the board cost too. >>Thanks, >Karthik
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Links --- > 1 http://pcdandm.com/pcdmag/mag/0404/0404pandit.pdf > 2
http://g.msn.com/8HMBENUS/2752??PS=47575
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--- Links ---
1
http://65.54.186.250/cgi-bin/linkrd?_lang=EN&lah=7cde3f4ba01fba0fd11d300d25a011da&lat=1092028390&hm___action=http%3a%2f%2fpcdandm%2ecom%2fpcdmag%2fmag%2f0404%2f0404pandit%2epdf
2 http://g.msn.com/8HMBENUS/2755??PS=47575
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