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JSSC 2019第1期RF & Wireless28nmEqualizerPAM-4

A 64 Gbps Low-Power Transceiver for Short-Reach PAM-4 Electrical Links in 28-nm

28nm FDSOI工艺下64Gbps低功耗PAM-4收发器,支持短距电气链路。
28nm CMOS, 1V供电, 64Gbps速率, 2.8mW/Gb/s能效, 10^-12误码率
PAM-4短距互联连续时间线性均衡器电压模式驱动器低功耗
灵活连续时间线性均衡器(CTLE)实现精准信道反转
无决策反馈均衡器(DFE)设计降低功耗
电压模式(VS)驱动器提升PAM-4眼图质量
Abstract
A four-level pulse-amplitude modulation (PAM-4) transceiver operating up to 64 Gb/s in 28-nm CMOS fully depleted silicon-on-insulator (FDSOI) for short-reach electri- cal links is presented. The receiver equalization relies on a flexible continuous-time linear equalizer (CTLE), providing a very accurate channel inversion through a transfer function that can be optimally adapted at low frequency, mid-frequency, and high frequency independently. The CTLE meets the per- formance requirements of CEI-