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Eye diagram in cadence spectre

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abselgec

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Hi, i'm trying to plot the eye diagram of a jitter affected data using cadence spectre. In the calculator while using the eyediagram option, start time, stop time, period etc are asked. If my data has bit rate of 2.5Gbps and am running simulation for 100ns, what should be the above mentioned values set?. The plot is varying for different period values given. Expecting a reply soon...


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Absel
 

The start time takes care of the initial delay of your signal, the stop time is the length of your simulation, the period is your data period (400ps in your case). Pretty simple.
 
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