RE: [SI-LIST] : Star connection termination

About this list Date view Thread view Subject view Author view

From: Hemant Fulsunge (fulsu@wipinfo.soft.net)
Date: Fri Nov 26 1999 - 21:56:40 PST


I think the the latter case is the best, ie having a series termination
inserted before the lines go out. This value you match it with the value of
the track impedance of the trace.

> -----Original Message-----
> From: owner-si-list@silab.eng.sun.com
> [mailto:owner-si-list@silab.eng.sun.com]On Behalf Of
> massimo.polignano@esaote.com
> Sent: Friday, November 26, 1999 9:27 PM
> To: si-list@silab.eng.sun.com
> Subject: [SI-LIST] : Star connection termination
>
>
>
>
> 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
>
>
>
>
>
> **** To unsubscribe from si-list: send e-mail to
> majordomo@silab.eng.sun.com. In the BODY of message put:
> UNSUBSCRIBE si-list, for more help, put HELP.
> si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list
> ****
>

**** To unsubscribe from si-list: send e-mail to majordomo@silab.eng.sun.com. In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP.
si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list
****


About this list Date view Thread view Subject view Author view

This archive was generated by hypermail 2b29 : Tue Feb 29 2000 - 11:39:03 PST