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JSSC 2011第4期Other90nmHigh-Speed LinkEqualizer

A 625 Gbs V oltage-Time Conversion Based Fractionally Spaced Linear Receive Equa

提出基于电压-时间转换的分数间隔线性接收均衡技术,用于高速链路中的联合均衡与相位同步。
90nm CMOS, 1.2V, 6.25Gb/s, 3.6mW/Gb/s, >4bit线性度
分数间隔线性接收均衡高速链路改进符号-符号LMS算法电压-时间转换自动归零
改进的符号-符号最小均方(M-SSLMS)自适应算法避免标准SSLMS算法的发散问题
采用具有自动归零功能的基于反相器的阈值检测器实现电压-时间转换
在90nm CMOS工艺下实现高能效(3.6mW/Gb/s)和大输入动态范围(>4bit线性度)
Abstract
ng, Student Member , IEEE, and Vladimir Stojanovic´, Member , IEEE Abstract—Fractionally spaced linear receive equalization (FSE) is shown in this work as an effective method to perform joint equalization and phase-synchronization in mesochronous high-speed links. Given an arbitrary receive sampling phase, a modified sign-sign least mean squares (M-SSLMS) adaptive algorithm is developed to tune the FSE tap weights to mitigate the inter-symbol interference (ISI), avoiding the divergence issue in t