[SI-LIST] Re: EMI simulation tools at PCB level
- From: Scott McMorrow <scott@xxxxxxxxxxxxx>
- To: sdb@xxxxxxxxxx
- Date: Mon, 06 Dec 2004 10:56:17 -0500
Stuart Brorson wrote:
>I don't think Gerber is used as an input format for SI tools, is it?
>
>
>
Actually, believe it or not, Gerber is a format that can be used with
some 3D fullwave solvers. CST Microwave can use it. And I seem to
remember a path from Gerber to the HFSS format. But ... it can get
ugly. The other format that is prevalent in the RF/ Microwave tool
universe is DXF. Artwork Conversions (www.artwork.com) has some good
tools that can be used to translate from Gerber to DXF and back again,
along with some links to other RF tool formats. Regarding what will
happen to the files in a particular tool once they have been imported.
Well that is a topic for a month's worth of discussions. Generally I
find that after translation into dxf, a good editor like Autocad or
Solidworks is a must have to perform some cleanup of the design.
As for non-proprietary formats for PCB, flex, MCM, and package design
information exchanges, wouldn't that be nice? Ff we had a robust
universal design information exchange format, we would be able to pick
and choose the best software for any particular job that we are doing.
Unfortunately, this would run against the financial interests of most
EDA vendors, which is exactly why we'll never see such a think in our
lifetime.
As for solving the entire electrical, electromagnetic and numerical
environment of a common PCB, with the thought of correlating to far
field emissions from thousands of potential radiating elements, that
sounds like a good DARPA project on a massively parallel processor. No
one else has that kind of money to fund research that will never find a
commercial market.
regards,
scott
--
Scott McMorrow
Grand Poobah
Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
(401) 284-1827 Business
(401) 284-1840 Fax
(503) 750-6481 Cellular
http://www.teraspeed.com
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Teraspeed Consulting Group LLC
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