Subject: Minutes of: V-AMS DevModeling Feb 24
From: Geoffrey.Coram (Geoffrey.Coram@analog.com)
Date: Fri Feb 27 2004 - 12:41:55 PST
Greetings -
I apologize for not sending out a reminder for this week's
meeting; I was out sick Monday and Tuesday.
Minutes of Feb. 24, 2004
Attendees:
Geoffrey Coram, Analog Devices
Ilya Yusim, Cadence
Jim Barby, U Waterloo
Al Davis, Kettering U
1) Approval of previous minutes (Feb 10)
2) Limiting
Jim asked whether the main AMS committee has an opinion on
the proposal last time to add $fetlim and $pnjlim (and maybe
$templim). I will check with Sri.
Before we settle on this proposal, however, we need to make
sure that it actually accomplishes what we want. I have not
yet started to work with the CircuitSim93 examples, but I
have downloaded the Silvaco models from
http://www.silvaco.com/downloads/verilogADownloads.html
so that I only need MOS level2.
Jim will look into the CircuitSim93 examples to see which ones
needed help in convergence (dynamic ramping of some voltage
sources); I want to test pure DC Newton.
Al noted that he thinks the LRM should not have "fetlim" or
"pnjlim" because they reference specific devices. However,
fetlim covers so many regions with different nonlinearities
(subthreshold=exponential, linear, saturation=quadratic in Vg)
that it would be hard to pick a meaningful yet generic name.
3) Compact Model Council
The next CMC meeting is in Boston, and I (Geoffrey) am to give a
presentation on Verilog-A for compact modeling. Note that the
CMC is March 12, following Nanotech 2004 (March 7-11).
4) Next meeting
If I have anything to report on limiting, then we may have a
meeting on March 9. Otherwise, we will talk next on March 23.
-- Geoffrey J. Coram, Ph.D. Senior CAD Engineer Analog Devices, Inc. Geoffrey.Coram@analog.com 804 Woburn St., MS-422, Tel (781) 937-1924 Wilmington, MA 01887 Fax (781) 937-1014
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