[SI-LIST] DC resistance calculation of returen path_equivalent width?
- From: "Sogo Hsu" <sghsu55@xxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 04 Nov 2002 14:22:25 -0000
Hi SI gurus,
I have a question regarding DC resistance calculation of return
current path. It is said the return current path would be the least-
length path between driver and receiver. At this moment, I would like
to estimate the required trace with to match voltage drop spec, for
instance, USB 2.0. For conductor signal trace, the DC resistance
would be
Rho * L/ (W*t),
but what=A1=A6s the equivalent width for return path? Thank you in
advance.
Best regards,
Sogo Hsu
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