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Looking for a 2D EM software

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jayleung

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Hi, I am looking for a 2D EM software which can provides the transmission line per-unit-length parameters (R,G,L,C). Any recommendations will be appreciated.
 

Re: 2D EM software

Try TNT-MMTL, the Multilayer Multiconductor Transmission Line 2-D and 2.5-D electromagnetic modeling tool suite, which generates transmission parameters and SPICE models from descriptions of electronics interconnect dimensions and materials properties.

The MMTL suite consists of several programs, including lossy, loss-free, quasi-static, and full-wave simulators. Circuit parameters are computed by either the method of moments (MOM) or finite element methods (FEM). Basic per-unit-length parameters are generated by the simulator, and can be converted into HSPICE W-element models.

This tool has a very nice GUI

Home page at http://mmtl.sourceforge.net/.
 

    jayleung

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2D EM software

Are the TNT-MMTL or LINPAR free software, share software or commercial one? Since I am only a student, I do not have a large budget to get the expensive one.
 

Re: 2D EM software

TNT-MMTL is absolutely free
 

    jayleung

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Re: 2D EM software

I found that the TNT tool doesn't give out the per-unit-length capacitance matrix by using the BEM method.

The help document is too short and I am not quite sure whether there is any special setting for getting that capacitance matrix. If anyone used it before, please help.
 

Re: 2D EM software

Dear
Try to use Ansoft 2D extractor.
This tool give you what u need R,L,G,c Z0,..:Lumped , distributed circuit for transmission line or any complex geometry, also u can have multiple format output like spice, maxwell,..
Enjoy
 

Re: 2D EM software

You might look at

AWR's txline
Agilent has a free calculator: AppCAD
Polar Instruments: Si8000 or Si9000 impedance calculators

These are several options to consider (cost varies from free to expensive).
 

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