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A Fully-Integrated 40-Gbs Transceiver in 65-nm CMOS Technology Ming-Shuan Chen Y
65nm CMOS工艺下实现的全集成40Gb/s收发器
40Gb/s PRBS数据,20cm Rogers信道(19dB损耗@20GHz),BER<10^-12,总功耗655mW
全集成收发器40Gb/sFIR滤波器LC延迟线数字自适应均衡
▸创新点1:5抽头FIR滤波器与LC延迟线的结合(方法创新)。通过精确调整的LC延迟线实现5抽头FIR滤波器,显著提高了信号处理的精度和速度,适用于40 Gb/s的高速数据传输,有效减少了信号失真。
▸创新点2:数字自适应均衡器前端(系统创新)。接收端采用3-tap FIR滤波器作为均衡器前端,结合数字自适应技术,动态调整信号参数,显著提升了信号接收的稳定性和抗干扰能力,适用于高损耗信道(19-dB loss at 20 GHz)。
▸创新点3:多数表决相位检测的子速率时钟数据恢复(电路创新)。通过多数表决相位检测技术实现子速率时钟和数据恢复,提高了时钟同步的准确性和可靠性,同时降低了功耗(总功耗655 mW)。
▸创新点4:全集成40 Gb/s收发器设计(系统创新)。在65-nm CMOS工艺下实现全集成设计,支持40 Gb/s数据传输,具有高集成度和低功耗特点,适用于高性能通信系统。
Abstract
This paper introduces a fully -integrated wireline
transceiver operating at 40 Gb/s . The transmitter incorporates a
5-tap finite-inpulse response (FIR) filter with LC-based delay lines
precisely adjusted by a closed-loop d elay controller. The receiver
employs a similar 3-tap FIR filter as an equalizer front-end with
digital adaptation, and a sub-rate clock and data recovery circuit
using majority voting phase de tection. The transceiver delivers
40-Gb/s 2
1 PRBS data across a Rogers channel of 20