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Error in time domain using EYE SOURCE and EYE PROBE

- July 11, 2024 at 3:37 pm
  
  mario.clemente
  Subscriber
  
  I use HFSS for my model in frequency domain, working without problem. After that, when I use circuit design and export my model (see figure ) for study in time domain and plot eye diagram.
  The simulation crashed presenting this error : "models:s_element(warning): fieldsolver:133.s - S-parameter data is not passive. Worst violation of 0.000100943 at 600000 (Hz).
- July 15, 2024 at 7:48 pm
  
  Dan Dvorscak
  Ansys Employee
  
  Hmm, that passivity violation alone should not have caused the entire simulatoin to fail. Can you show the rest o fthe simulation messages? It also may be worth turning on passivity enforement just to be safe. To do that right mouse click on the s-parameter component, and select Edit Model. In the form that comes up go to the Options tab and set the passivity enforcement option to "IFPV".

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