J4 ›› 2012, Vol. 39 ›› Issue (2): 192-199.doi: 10.3969/j.issn.1001-2400.2012.02.032

• 研究论文 • 上一篇    下一篇



  1. (1. 西安电子科技大学 电路CAD研究所,陕西 西安  710071;
    2. 湖南城市学院 通信与电子工程学院,湖南 益阳  413000)
  • 收稿日期:2011-09-19 出版日期:2012-04-20 发布日期:2012-05-21
  • 通讯作者: 曲咏哲
  • 作者简介:曲咏哲(1978-),男,西安电子科技大学博士研究生,E-mail: qyz092400@163.com.
  • 基金资助:


Equalization of inductively coupled connector

QU Yongzhe1;LI Yushan1;YAN Xu1;DING Tonghao1;JIANG Dongchu1,2

  1. (1. Research Inst. of Electronic CAD, Xidian Univ., Xi'an  710071, China;
    2. School of Comm. and Electronic Eng., Hunan City Univ., Yiyang  413000, China)
  • Received:2011-09-19 Online:2012-04-20 Published:2012-05-21
  • Contact: QU Yongzhe



关键词: 电感耦合连接器, 反相不归零码, 均衡, 符号间干扰


The inductively coupled connector can be used for high-speed digital signal transmission of board-level interconnect. With the increasing signal transmission rate or transformer inductance, the receiver-side of the inductively coupled connector will suffer excessive inter-symbol interference, and can not effectively recover the signal. To solve this problem, the ALTERA driver-side equalization scheme is proposed by analysing the reasons of inter-symbol interference and the equalization ratio calculation method of this scheme is also given. The equalization scheme is implemented through selection of an appropriate equalization ratio to increase high frequency components of the signal and reduce the low frequency components of the signal at the driver-side to reduce the inter-symbol interference and improve pulse magnitude, and the signal can be recovered with a simple low power trigger circuit. Simulation results show that using the driver-side equalization scheme can effectively eliminate inter-symbol interference, and that the choice of inductance and the signal transmission data rate are independent of each other, so the larger inductance of transformer can transmit high-speed digital signals.

Key words: inductively coupled connector, non-return to zero, equalization, inter-symbol interference


  • TP811.3