The Meaning of Total Jitter

Total Jitter is an increasingly important quantity in the development and specification of serial data links but, while it is well defined, it is not well understood. Total Jitter is like peak-to-peak jitter but referenced to a given Bit Error Ratio; it is the amount of eyeclosure at a given BER. This paper clarifies the meaning of TJ and shows how measurements of jitter subcomponents, like Random Jitter (RJ) and Deterministic Jitter (DJ), can be used to provide fast accurate estimates of TJ(BER).

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55W_21987_0 (WebID: 12836), 08-Apr-2008

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