← 返回 JSSC 论文列表JSSC 2010第8期RF & Wireless0.13μmCDRHigh-Speed Link
A 5 Gbps 013 22m CMOS Pilot-Based Clock and Data Recovery Scheme for High-Speed
提出一种基于导频的时钟数据恢复技术,用于高速串行链路,具有低抖动和小面积优势。
0.13μm CMOS, 1.5V, 5Gbps, 10ps峰峰值抖动, 1.6ps RMS抖动, 28MHz CDR带宽
时钟数据恢复注入锁定振荡器高速串行链路抖动性能导频技术
▸创新点1:基于导频的时钟提取技术,通过在发送信号中添加低幅度时钟信号(导频),简化了时钟恢复过程,减少了传统边缘检测方法的复杂性,提高了系统的鲁棒性。
▸创新点2:使用注入锁定振荡器(ILO)简化CDR设计,通过ILO提取时钟信号并驱动接收端采样器,降低了电路复杂度,同时实现了低抖动(峰值抖动<10 ps,RMS抖动<1.6 ps)。
▸创新点3:数据与ISI无关的性能,导频信号的设计使得时钟恢复不受数据模式和符号间干扰(ISI)的影响,确保了在高数据传输速率(5 Gbps)下的稳定性和可靠性。
▸创新点4:低功耗设计,电路在1.5 V电源电压下仅消耗11.75 mA电流,结合0.171 mm²的小面积,实现了高效能和高集成度的系统设计。
Abstract
EE , Amir Amirkhany , Member , IEEE, and
Ramesh Harjani, Fellow, IEEE
Abstract—This paper presents a pilot-based clock and data
recovery (CDR) technique for high-speed serial link applications
where a low-amplitude clock signal, i.e., a pilot, is added to the
transmit signal. The clock tone is extracted at the receiver using
an injection-locked oscillator and is used to drive the receiver
front-end samplers. The performance of the CDR technique is
demonstrated using a 5 Gbps differential receive