Re: [SI-LIST] : Trace Impedance Selection

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From: Vinu Arumugham (vinu@cisco.com)
Date: Thu May 11 2000 - 10:49:53 PDT


Neven Pischl wrote:

> What really matters in reducing EMI is to build very inefficient antennas,
> by keeping them (the traces) close to the reference planes - thus reducing
> the loop area and crosstalk as well, by assuring that the return currents
> flow adjacent to the traces, by keeping them short ....

"Keeping traces close to the ref. planes", "reducing loop area", are these not
the same as saying lowering the characteristic impedance of the line reduces
EMI?

Thanks,
Vinu

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