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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A CMOS Mixed-Signal Clock and Data Recovery Circuit for OIF CEI-6G+ Backplane Transceiver
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A CMOS Mixed-Signal Clock and Data Recovery Circuit for OIF CEI-6G+ Backplane Transceiver

机译:用于OIF CEI-6G +背板收发器的CMOS混合信号时钟和数据恢复电路

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摘要

A CMOS low-power mixed-signal clock and data recovery circuit is presented in this paper. It is designed for OIF CEI-6G+ LR backplane transceiver, and consists of a phase detector, loop filter, phase control logic, and phase interpolator. A unique subsampled architecture makes it possible for a low-power mixed-signal clock recovery loop running at a rate of 6 Gb/s. The proposed architecture has data pattern independent loop bandwidth. Fabricated in a 0.13-μm CMOS technology in an area of 280 × 100 μm{sup}2, the clock and data recovery loop exhibits a frequency tracking range upto 2000 ppm. The bit error rate is less than 10{sup}(-2) with a pseudorandom bit sequence of length 2{sup}31 - 1. The power dissipation is 24 mW for clock and data recovery circuits from a single 1.2-V supply.
机译:本文提出了一种CMOS低功耗混合信号时钟和数据恢复电路。它是为OIF CEI-6G + LR背板收发器而设计的,由相位检测器,环路滤波器,相位控制逻辑和相位内插器组成。独特的二次采样架构使低功耗混合信号时钟恢复环路能够以6 Gb / s的速度运行。所提出的架构具有与数据模式无关的环路带宽。时钟和数据恢复环路采用0.13-μmCMOS技术制造,面积为280×100μm{sup} 2,具有高达2000 ppm的频率跟踪范围。伪随机比特序列的长度为2 {sup} 31-1,误码率小于10 {sup}(-2)。对于时钟和数据恢复电路,采用1.2V单电源供电时,功耗为24 mW。

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