[SI-LIST] RF Layout - Via spacing

  • From: arvind yadav <arvind.yad1983@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Thu, 22 Oct 2009 22:15:58 +0530

Hello All,
I am working on a RF Layout. I looked into some design guidelines and had
some doubt on gnd via spacing requirement .

Guideline said that ë/20 distance has to be maintained between gnd vias that
are stitched on either side of the RF signal

Can any one please let me know the reason for this requirement ?

I also would like to know  what would be the gnd backoff distance from the
RF signal and the reason .

Thanks

Arvind.H


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