Hello, Grace,
More information is needed to answer your question.
What is changed between the three simulation outputs?
* Different corners for one model?
* Different IBIS or SPICE models?
* Different simulators?
* Some other difference?
- Lynne
"IBIS training when you need it, where you need it."
Dr. Lynne Green
Green Streak Programs
http://www.greenstreakprograms.com
425-788-0412
lgreen22@mindspring.com
On 7/4/2011 6:53 PM, Zhanggezi wrote:
>
> Hi All,
>
> The topology is one on one. The simulation
> result is below. I am curious about the
> simulation circled
>
> by red pink. What's the cause? Could someone
> give me any hint?
>
> Thank you.
>
> Grace
>
>
> --
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