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A 10 Gbs 8-Tap 6b 2-PAM4-PAM TomlinsonHarashima Precoding Transmitter for Future
提出一种采用Tomlinson-Harashima预编码的10Gbps 8抽头6位2-PAM/4-PAM发射机，通过流水线和半速率操作提升数据率。
5.0-Gb/s 2-PAM和10.0-Gb/s 4-PAM模式，1.2 pJ/bit能效
Tomlinson-Harashima预编码发射机均衡2-PAM/4-PAM流水线操作半速率操作
▸应用流水线和半速率操作于均衡器反馈路径的ISI消除
▸支持2-PAM/4-PAM调制
▸在22nm SOI CMOS工艺中实现
Abstract
Tomlinson–Harashima (TH) precod ing is a trans-
mitter equalization technique in which the post-cursor intersymbol
interference (ISI) is canceled by means of an in finite impulse
response (IIR) filter with modulo (MOD)-ba sed amplitude lim-
itation. TH equalizers are suited for asymmetric links, such as
DRAM interfaces, where the transmitter contains the equalization
complexity and the receiver is kept s imple. To increase the data
rate, we propose the application of pipelining and half-rate opera