Separating and Time-Correlating Deterministic Jitter Components

Separating and Time-Correlating Deterministic Jitter Components

Application Notes

Some real-time instruments can separate random and deterministic jitter components to predict/extrapolate worst-case total jitter (TJ) and eye-opening based on a user-specified bit error ratio (BER), typically 10-12. But when jitter measurements fail to meet a particular minimum standard, or if the results are “too close for comfort,” then measuring the amount of component or system jitter is just half of the jitter test equation. Determining the root-cause of jitter is the other half. This application note provides practical “tips and tricks” on how to employ real-time oscilloscopes with jitter analysis and high-speed pulse/pattern generators to separate and time-correlate specific deterministic jitter components.

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