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This study presents a 6-Gb/s clock and data recovery (CDR) for the high-speed data transmission systems. Similar to the concept of the oversampling CDR, the proposed CDR presents an alternative scheme, which uses the data delay window (DDW) and a sensing-amplified phase detector (SAPD) to substitute the conventional DFF-based PD. It shows that the NRZ data could be aligned and recovered by the only...
This paper proposes an all-digital clock synchronization buffer (CSB) with one-cycle dynamic synchronization. The CSB synchronizes the input and output clocks in three clock cycles but maintains one cycle at fastest operating frequency. The CSB achieves one-cycle dynamic locking and synchronizes the dynamic frequencies with a modified structure. The CSB compensates for dynamic phase error with a modified...
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