Hello, may I ask why the eye diagram I simulated with the interconnect is this shape? I didn’t find

- March 23, 2022 at 3:20 am
  
  lixiaobo
  Subscriber
- March 24, 2022 at 10:08 pm
  
  Guanhui Wang
  Ansys Employee
  
  Hi lixiaobo
  Thank you for the post. Could you please elaborate a bit on what you mean by "The bottom line of the eye diagram is flipped upwards"? We see a higher noise level on the level one signal than the level 0 signal which is reasonable given the thermal and short noises on higher power signal are also higher.
- March 27, 2022 at 7:34 am
  
  lixiaobo
  Subscriber
  
  Thanks, I mean I can't see an eye shape in my simulation image, is it because I set the intensity too high and the noise is too high? Do I have to set the intensity to a very small value to get a normal eye diagram? If I have to turn the intensity up, what parameters do I need to modify to get a good eye diagram?
- March 28, 2022 at 10:43 pm
  
  Guilin Sun
  Ansys Employee
  
  Please do not duplicate posts in different language forums.

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