[SI-LIST] Re: Different Simulation Results

  • From: steve weir <weirsi@xxxxxxxxxx>
  • To: Mohamad Haghtalab <mohaghtalab@xxxxxxxxx>
  • Date: Wed, 17 Mar 2010 03:25:18 -0700

Did you set your probe port impedances correctly?  Do the S/E S 
parameters line-up, particularly the reflection coeffients  Snn?

Steve.
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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