High-speed electrical backplane transmission using duobinary signaling

被引：65

作者：

Sinsky, JH ^{[1
]}

Duelk, M ^{[1
]}

Adamiecki, A ^{[1
]}

机构：

[1] Bell Labs, Lucent Technol, Photon Networks Res Dept, Holmdel, NJ 07733 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2005年 / 53卷 / 01期

关键词：

backplanes; correlative coding; duobinary; equalization; high-speed data; PAM-4; pre-emphasis; signal integrity;

D O I：

10.1109/TMTT.2004.839326

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High-speed electrical data transmission through low-cost backplanes is a particularly challenging problem. We present for the first time a very effective approach that uses the concept of duobinary signaling to accomplish this task. Using a finite-impulse-response filter, we are able to compensate for the phase and amplitude response of the backplane such that the resulting frequency response of the channel is that of an ideal duobinary filter. At the output of the backplane, we use an innovative pseudodigital circuit to convert the electrical duobinary to binary. For 10-Gb/s data transmission, we demonstrate a bit error rate < 10(-13) through electrical backplane traces up to 34 in in length on FR4. A full discussion of the concept, system architecture, and measured results are presented. Analysis is presented that compares and contrasts this approach to PAM-4 and standard nonreturn-to-zero signaling.

引用

页码：152 / 160

页数：9

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