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A 22 to 265 Gbs Optical Receiver With All-Digital Clock and Data Recovery in a 6
本文介绍了一种22至26.5 Gb/s的全数字时钟数据恢复光学接收器，采用65nm CMOS工艺，具有低功耗和高性能。
65nm CMOS, 26.5 Gb/s, 254 mW, 1.28 ps抖动, 106 A灵敏度
光学接收器全数字时钟数据恢复低功耗LC正交数字控制振荡器抖动容忍
▸基于逆变器的放大器实现低功耗
▸LC正交数字控制振荡器实现高相位噪声品质因数
▸考虑群延迟响应以最小化前端抖动
Abstract
This paper presents a 22 to 26.5 Gb/s optical receiver
with an all-digital clock and data recovery (AD-CDR) fabricated
in a 65 nm CMOS process. The receiver consists of an optical
front-end and a half-rate bang- bang clock and data recovery
circuit. The optical front-end a chieves low power consumption by
using inverter-based amplifiers and realizes sufficient bandwidth
by applying several bandwidth exte nsion techniques. In addition,
in order to minimize additional j itter at the front-end, not o