Re: [SI-LIST] : Antenna Problem on the Board

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From: Sainath Nimmagadda (sainath@lsil.com)
Date: Wed May 23 2001 - 10:17:31 PDT


Ken,

What is the magic at 50GHz?

Sainath

Ken Cantrell wrote:

Subramanya,You just missed a long running discussion on the subject.  Look for any of the list items under "MECL System Design Handbook".  Cutting to the chase, it shouldn't have any measureable effect on your system unless you are at 50 GHz or above.Ken
-----Original Message-----
From: owner-si-list@silab.eng.sun.com [mailto:owner-si-list@silab.eng.sun.com]On Behalf Of subramanya C K
Sent: Tuesday, May 22, 2001 11:51 PM
To: Si-List
Subject: [SI-LIST] : Antenna Problem on the Board
Hello SI Gurus,I have a basic question here. We all know that "Right angled traces are never used on PCBs" as the act as antennas (better antennas than the curved traces). In an article I read that this radiation is due not to the frequency of the signal , but to it's rise time. Could someone please explain me this theory ?  Thanks and Regards,Subramanya C K

 




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