[SI-LIST] Re: via behavior -3D solver
- From: "Antonis Orphanou" <orphanou@xxxxxxxxxxxx>
- To: "kbmanick@xxxxxxxxx" <kbmanick@xxxxxxxxx>, "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
- Date: Fri, 15 Mar 2013 17:56:26 +0000
Hi, there are also couple of point I would like to mention in addition to the
previous responses:
In a typical trace that we deal with on a daily basis there are couple of
interesting features:
One is the trace that runs along power planes. The predominant wave mode in
this type of transmission is the TEM mode and it can very well be captured by a
2.5D solver.
The other feature is the transition of the trace from a layer to layer through
a via. Now this transition is a multimode transition in the vicinity of the via
(the waveguide the via goes through and excites will ultimately attenuate
these extra modes) and requires a solver that can model more than just TEM.
This is why a full wave solver is required.
Thanks
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Balamanikandan K
Sent: Friday, March 15, 2013 3:45 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] via behavior -3D solver
Hi
At higher speeds, it is better to model the via behavior very accurately
using 3D solver.
But I could not understand in what way the 3D solver improves the
accuracy. Please explain.
--
Best Regards,
Balamanikandan.K
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