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

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From: selvaraj subramanian (selvaraj.manian@wipro.com)
Date: Tue May 22 2001 - 23:16:36 PDT


subramanya,

I believe that the right angled traces introduces more capacitance due to more area at the 90 degree bends than the curved bends. I am not sure about the antenna effect at the right angled bends.

Selva
  ----- Original Message -----
  From: subramanya C K
  To: Si-List
  Sent: Wednesday, May 23, 2001 11:21 AM
  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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