This article presents an receiver (RX) only equalization (ROE) technique that eliminates feed-forward equalization (FFE) in transmitter (TX) and bandwidth improved output driver without increment of power consumption. With a help of the proposed design technique, the power consumption, circuit complexity, and design cost are improved. The proposed RX with one-tap finite-impulse response (FIR) and second-tap IIR decision feedback equalizer (DFE) removes the FFE equalization in TX by moving the sampling point of main cursor in the received data. A simpler TX architecture with nMOS only output driver (NOD) owing to the ROE facilitates a wide bandwidth and energy efficient dual-mode (differential and single-ended) operation. The proposed transceiver was fabricated in a 65-nm CMOS technology. The RX achieves bit error rate (BER) less than 10^{-12} over a 22-dB channel loss at 32 Gb/s with 0.62-pJ/bit energy efficiency, and the TX with NOD has 0.77- and 0.40-pJ/bit energy efficiency at 32 Gb/s in differential mode and single-ended mode, respectively. The occupied area of TX and RX is 0.002 and 0.024 mm 2 , respectively.

中文翻译：

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采用 65 nm CMOS 技术、具有单抽头 FIR 和两抽头 IIR 仅 RX 均衡功能的 32 Gb/s 双模收发器


本文介绍了一种仅接收器 (RX) 均衡 (ROE) 技术，该技术消除了发送器 (TX) 中的前馈均衡 (FFE) 和带宽改进的输出驱动器，而不会增加功耗。借助所提出的设计技术，功耗、电路复杂性和设计成本都得到了改善。所提出的具有一抽头有限脉冲响应（FIR）和第二抽头 IIR 判决反馈均衡器（DFE）的 RX 通过移动接收数据中主光标的采样点来消除 TX 中的 FFE 均衡。由于 ROE，具有仅 nMOS 输出驱动器 (NOD) 的更简单 TX 架构有利于宽带宽和高能效双模（差分和单端）操作。所提出的收发器采用 65 nm CMOS 技术制造。 RX 在 32 Gb/s 的 22 dB 信道损耗下实现了小于 10^{-12} 的误码率 (BER)，能源效率为 0.62 pJ/位，而采用 NOD 的 TX 的能源效率为 0.77 和 0.40 pJ在差分模式和单端模式下分别达到 32 Gb/s 时的 /bit 能效。 TX和RX的占用面积分别为0.002和0.024mm 2 。