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 FastHenry simulation: "port" concept ?		  New Topic  Reply to Topic
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chromatik

France
29 Posts
Posted - Sep 23 2010 :  09:19:35  Show Profile  Reply with Quote
Dear all,

As I am using FastHenry for simulating coil structures, something suprised me when I started using the tool: there is no port definition.
I mean, in a MoM/FEM simulator, you decide what kind of excitation is applied "here", and "there", with a nominal impedance (somewhat 50 ohms).
So, is there a need to specify port impedance with FastHenry, or is this a misunderstanding how simulation occurs ?

Hope you could help me.

Best Regards

eactor

5 Posts
Posted - Nov 08 2010 :  03:45:36  Show Profile  Reply with Quote
If you try a single line with with of 20 and hight of 5 and length of 100 µm. The Result is a resistance of 0.017.... (at a frequency near 0Hz)
Fundamental rule says R = rho * A /l you would come up with the same value without definition of a port. You also could see it as Voltage drop occuring from a current of 1A.

Hopefully that is what you where asking about, otherwise I'm sorry

cheers
eactor
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