[SI-LIST] Re: Question on ADS Momentum simulation

  • From: Ege Engin <engin@xxxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Wed, 06 Aug 2003 16:57:10 +0200

Hello Jayaprakash:

Did you compare your results with the already available results in the
example directory? The results in the example directory do not show such
a behavior. You can check it simply by opening one of the data displays
(slot or diamond) and creating a new plot for S11.
Hope this helps.

Ege

JP schrieb:
> 
> Hello Siers,
> 
>   when I simulated PowerGround_prj example that comes
> along with ADS installation 2002c using momentum 3D
> field solver, surprisingly Iam seeing at some points
> S11 is greater than 1 in magnitude. In db it goes up
> to +0.3db.
> 
> How is this possible for a passive power planes? Is it
> anything to do with numerical stability of simulation
> algorithms?
> 
> (since I took the standard ADS example, Iam assuming
> that all substrate definations and other settings are
> correct)
> 
> Thanks and regards,
> Jayaprakash.
> 
> =====
> Balachandran Jayaprakash
> Celestijnenlaan,
> 3/61, 3001, Heverlee,
> Leuven, Belgium.
> Mobile: +32-472-630120
> 
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