[PCB_FORUM] Re: Relative delay and differential pairs...
- From: "Gerry Meier" <gerry.meier@xxxxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Mon, 14 Mar 2005 04:43:32 -0800
Austin,
It's so easy to put both in the match group why bother not too.
You have your diff pairs assigned, selected them all and create a bus ,
apply the match to the bus Done!
If you only apply it to one which one? Is the same net always going to
be the shortest in the pair? Etc?
Regards,
Gerry
Gerry Meier
Sr. PCB Designer
Freedom CAD Services, Inc.
Voice: (603) 864-1300 x1350
Alt. Voice: (386) 753-0048
Email: gerry.meier@xxxxxxxxxxxxxx
visit our website at<http://www.freedomcad.com
-----Original Message-----
From: Austin Franklin [mailto:austin@xxxxxxxxxxxx]
Sent: Sunday, March 13, 2005 11:43 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Relative delay and differential pairs...
Hi,
Do you guys specify the 2nd leg of the differential pair in a match
group?
If so, what would the reason be? I am assuming I only have to specify
one leg of a DP in a match group and the other leg will be handled by
the phase tolerance constraint established in the DP rules. Is this
correct?
Regards,
Austin
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