Yingmei Chen

This paper reports a full-rate reference-less bang-bang clock and data recovery (BBCDR) circuit with current mismatch elimination functionality. Specifically, a simplified frequency acquisition loop (FAL) based on lock detection (LD) is proposed to achieve efficient and robust frequency acquisition without the need to determine the polarity of frequency errors. This technique eliminates the need for multiphase clocks and additional high-speed samplers, significantly saving power and area.

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