Abstract:This paper describes a design of a fully digital clock and data recovery (CDR) system with plesiochronous clocking. Besides the well known advantages of digital implementations over analog ones in terms of robustness against process and temperature variations, scalability, compactness and low cost, the system also enjoys many features. It can withstand an input data cycle-to-cycle jitter up to ±37.5% Ul. Data are obtained through digital correlation with the incoming symbol instead of ordinary sampling at the … Show more
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