[SI-LIST] Re: Different Simulation Results
- From: "Ing. Giancarlo Guida" <gianguida@xxxxxxxx>
- To: Istvan Novak <istvan.novak@xxxxxxx>
- Date: Wed, 17 Mar 2010 12:40:32 -0100
Hi folks,
I seriously doubt that software like HFSS and SI wave can make a mistake
simulating a simple configuration like two coupled parallel microstrip
lines.
I would suspect that one of the model have something wrong; I bet that
any Ansoft AE could easily help on this.
By the way, with HFSS it is possible to simulate a transmission line
structure of an arbitrary length by modeling a little piece and using
the deembedding feature, provided that the structure is uniform.
Regards
Giancarlo
Istvan Novak ha scritto:
> At what frequency do you see this difference, and was the length the
> same in the two simulators? In SiWave you can easily simulate very
> long traces, whereas in HFSS your maximum length might be just a few
> hundred mils.
>
> Regards,
>
> Istvan Novak
> Oracle
>
>
> Mohamad Haghtalab wrote:
>
>> Hi all
>>
>> I've simulated two coupled parallel microstrip lines with both HFSS and
>> SIwave(from
>>
>> Ansoft), there is good agreement between the SHAPE of Scattering Matrix
>> results in two
>>
>> softwares,BUT in the LEVEL of them there is about 15 - 20 dB difference,what
>> do you
>>
>> think about this?
>>
>> Regards
>>
>>
>>
>>
>>
>>
>
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