A Wide-Range FD for Referenceless Baud-Rate CDR Circuits

被引：7
|
作者：
Yao, Yun-Sheng [1 ,2 ]
Huang, Chang-Cheng [1 ,2 ]
Liu, Shen-Iuan [1 ,2 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Elect Engn, Taipei 10617, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2022年 / 69卷 / 01期
关键词：
DH-HEMTs; Clocks; Detectors; Decision feedback equalizers; Time-frequency analysis; Receivers; Monitoring; Baud rate; quarter-rate; clock and data recovery; decision feedback equalizer; frequency detector; GB/S;
D O I：
10.1109/TCSII.2021.3087364
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A wide-range frequency detector (FD) is presented for baud-rate clock and data recovery (CDR) circuits. It achieves a wide frequency capture range, a short lock time, and a low power. By using this FD, a referenceless quarter-rate CDR circuit with a one-tap decision feedback equalizer is fabricated in 40-nm CMOS technology. The active area of this CDR circuit is 0.0999mm(2) and its power is 44mW while the data rate is 16.8Gbps. The calculated energy efficiency of this CDR circuit is 2.62pJ/b.
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页码：60 / 64
页数：5
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