[SI-LIST] : Star connection termination

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From: massimo.polignano@esaote.com
Date: Fri Nov 26 1999 - 07:56:43 PST


Does anybody out of there have any suggestion about the following basic, but

really important and frequent, problem: how a star-point (a point from which

many traces going to other ICs start) must be series-terminated?

Do one have to put a resistance equal to the characteristic impedance of the

trace before the point from which the traces start? Or is it better to insert a

resistance on each line coming up from the star-point? In the latter case, what

is the best value for the resistances?

Thanks for any help

m.p.

-------------------------------------------------------------

ESAOTE S.p.A. Massimo Polignano
Research & Product Development Design Quality Control Mngr
Via di Caciolle,15 tel:+39.055.4229402
I- 50127 Florence fax:+39.055.4223305
        e-mail: massimo.polignano@esaote.com

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