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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 0.1-pJ/b/dB 1.62-to-10.8-Gb/s Video Interface Receiver With Jointly Adaptive CTLE and DFE Using Biased Data-Level Reference
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A 0.1-pJ/b/dB 1.62-to-10.8-Gb/s Video Interface Receiver With Jointly Adaptive CTLE and DFE Using Biased Data-Level Reference

机译：一个0.1-pj / b / db 1.62至-108-gb / s视频接口接收器，带有联合自适应CTL和DFE，使用偏置数据级参考

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摘要

In this article, a 1.62-to-10.8-Gb/s video interface receiver with jointly adaptive equalization is presented. Sign-sign least-mean-squares (SSLMS) algorithm is applied to adaptation for not only a decision feedback equalizer (DFE) but also a continuous-time linear equalizer (CTLE) to unify the adaptation methods. This approach facilitates concurrent adaptation that results in short adaptation time and also reduces the extra hardware and power consumption. An average value of fourth- and fifth-post-cursors is used as an indicator for CTLE adaptation, and the validity is substantiated by numerical analysis and simulation. Furthermore, the concept of a biased data-level reference (dLev) is proposed and analyzed to alleviate insufficient adaptation of the SSLMS algorithm in the presence of pre-cursor inter-symbol interference (ISI). The proposed dLev is acquired by simply adjusting up and down ratios of the dLev update equation. The prototype test chip is implemented in 65-nm CMOS technology and occupies an active area of 0.174 mm(2). The proposed adaptive equalizers compensate for the channel loss of up to 34 dB at 10.8 Gb/s. Total power consumption of the receiver is 37.2 mW at 10.8 Gb/s, and the figure of merit (energy efficiency per channel loss at Nyquist frequency) of 0.1 pJ/b/dB is achieved.
机译：在本文中，提出了一个具有联合自适应均衡的1.62至10.8GB / s的视频接收器。标志 - 标志最少均值方块（SSLMS）算法应用于适应性，不仅是判定反馈均衡器（DFE），还应用于连续时间线性均衡器（CTLE）来统一适应方法。这种方法有助于并发适应，从而导致短适应时间，并且还降低了额外的硬件和功耗。第四和第五型光标的平均值用作CTLE适应的指示，通过数值分析和模拟证实了有效性。此外，提出并分析了偏置数据级参考（DLEV）的概念，以减轻SSLMS算法在预光标间干扰（ISI）的存在中的不足。通过简单地调整DLEV更新方程的上下比率来获取所提出的DLEV。原型测试芯片以65nm CMOS技术实现，占据0.174mm（2）的有效面积。所提出的自适应均衡器补偿了10.8 GB / s的通道损失高达34 dB。接收器的总功耗为37.2MW，10.8 Gb / s，达到0.1pj / b / dB的优点（每个通道频率的能量效率）。

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