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EM Simulation Fundamental - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


Jeanalmira
Post subject: EM Simulation fundamental Posted: Mon Mar 06, 2006 3:17 am

General


Joined: Tue Mar 15, 2005 11:43 pm
Posts: 65
Location: Singapore
Hi all :

I'd like to seek your advice regarding fundamental EM simulation, for 4-6GHz frequency range. It is my first time doing EM simulation. I'm using SonnetLite software tools.

I'm not sure about the fundamental of this EM simulation, like what is the main purpose. I learnt about EM before, about far-field, Common mode, differential mode radiation. But I'm not sure how to relate to simulation purposes.

Could any kind souls out there enlighten me?

Thanks so much.
I'll appreciate if anyone can share simple notes to explain this EM simulation fundamental.

Warm Regards,
Jean


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IR
Post subject: Posted: Tue Mar 07, 2006 4:21 pm

Site Admin


Joined: Mon Jun 27, 2005 2:02 pm
Posts: 373
Location: Germany
Hello Jean,

EM simulations is used in order to simulate physical phenomenon related to high-frequencies: Skin effect, reflections from enclosures, coupling between transmission lines. In EM simulations you take into consideration both physical and electrical properties of distributed elements and get an overall picture of the performance besides the linear simulation and gives the designer an insight about the performance of the circuit in real environment - like inside an enclosure or shielded cans. It is also being used to find problems in high-frequency PCB layout: radiation from vias, interferences etc, it is used to simulate Antenna performances...

There is plenty of material available in the Internet over EM simulations.

Good luck!!

_________________
Best regards,

- IR



Posted  11/12/2012

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