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Unexpected Time Domain Analysis Results in SERDES Toolbox

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James Church 2023-9-1

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回答： Balaji 2023-9-20

Hello,

I'm struggling to interpret the dark blue X in the middle of my

time domain eye and the offset from "centered" like the statistical eye

I have it in this eye as well:

Based on simulation, I would not expect crossings in these zones.

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Balaji 2023-9-20

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Hi James

I understand you would like to understand statistical and time domain eye diagram.

The eye diagram which you have presented has a very small area which indicates low signal to noise ratio.

I suggest you refer to the following documentation links for the more examples and information on eye diagram:

https://www.mathworks.com/help/signal-integrity/ug/eye-measurement-and-reporting.html

https://www.mathworks.com/help/serdes/ug/using-signal-integrity-toolbox-analog-channels-in-serdes-toolbox.html

https://www.mathworks.com/help/serdes/ref/pulse2stateye.html

Hope this helps!

Thanks

Balaji

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