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A 21-Gbs Duobinary Transceiver for GDDR Interfaces With an Adaptive Equalizer Do
提出一种用于GDDR接口的双二进制收发器，采用自适应均衡器技术，实现21Gb/s传输速率。
21 Gb/s, 1.42 mW/Gb, 10^-12误码率
双二进制收发器GDDR接口自适应均衡器电压模式驱动器时间交错接收器
▸电压模式驱动器符合GDDR阻抗规范
▸四分之一速率时间交错逐次逼近双二进制接收器
▸适用于双二进制信号的自适应均衡方案
Abstract
In this article, we propose a duobinary trans-
ceiver for graphics double-data-rate (GDDR) memory interfaces.
The proposed voltage-mode driver complies with the GDDR
impedance specifications without sacrificing the ratio of level
mismatch (RLM). The quarter-rate time-interleaved successive
approximation duobinary receiver (Rx) reduces the forwarded
clock frequency and minimizes the capacitive loading of the front-
end analog equalizer (EQ). To compensate for the channel loss,
the transmitter is co