电容耦合连接器及其信号完整性分析  

Capacitive coupling connector and its signal integrity analysis

作　　者：曲咏哲[1] 李玉山[1] 闫旭[1] 丁同浩[1] 

机构地区：[1]西安电子科技大学电路CAD研究所,陕西西安710071

出　　处：《西安电子科技大学学报》2011年第5期159-164,共6页Journal of Xidian University

基　　金：国家自然科学基金资助项目(60871072;60672027);国家教育部博士点基金资助项目(20050701002)

摘　　要：传统的压配模式连接器在每次连接时需要插拔,插入力使引脚遭受磨损和扭折,针对此问题提出了一种电容耦合连接器.该连接器根据AC耦合原理,利用两条传输线相互重叠形成的电容,将发射端信号耦合到接收端,信号传输界面是非接触的,插入力为零,消除了磨损和扭折的现象.通过分析电容耦合连接器物理结构对接收端脉冲波形的影响,提出了连接器尺寸的选择策略与合理的均衡方案以减小符号间干扰,提高了信号的传输速率.仿真结果显示,电容耦合连接器的信号传输速率可达16Gb/s.The traditional connectors of the Press-fit style need to plug in each connection, so the insertion force will make pins subjected to wear and kink. To avoid this problem, a novel capacitive coupling connector is presented based on the AC coupling principle in this paper. Two overlapping transmission lines generate coupling capacitance which will make the signal transport from the transmitter to the receiver. The phenomenon of the pins wear and kink are eliminated based on the contact-less of the signal transmission interfaces and zero insertion force. By analyzing the effect of the physical structure of the capacitive coupling connector on the pulse waveform at the,receiving end, a strategy for selection of the size of the connector and an equalization method is proposed to reduce the inter-symbol interference and improve the signal transmission rate. Simulation results show that the signal transmission data rates of the capacitive coupling connector is up to 16 Gb/s.

关 键 词：交流耦合互连 反相不归零码 连接器 符号间干扰 

分 类 号：TP811.3[自动化与计算机技术—检测技术与自动化装置]