LVDS技术在某成像光电跟踪产品中的应用  

Application of LVDS in Some Photoelectric Tracking Products

作　　者：闫琳[1] 

机构地区：[1]中国空空导弹研究院,河南洛阳471009

出　　处：《现代电子技术》2011年第12期157-159,162,共4页Modern Electronics Technique

摘　　要：针对远距离高速信号传输的需求,提出了利用LVDS传输的实现方法,介绍了LVDS的技术原理和特点,并根据某成像光电跟踪产品的结构组成,详细介绍了该产品中LVDS系统的设计实现,并根据设计及调试过程中曾经出现的问题,总结了终端电阻匹配、通道设计、印制板布线等方面的设计要点及注意事项。通过内外场试验,验证了该产品LVDS通讯设计,不仅解决了高速率、大容量、长距离的图像数据传输问题,并具备良好的环境适应性及电磁兼容性。Aiming at the requirement of long-distance high-speed data communication,the realization of LVDS is presented,and the principle and characteristic of LVDS are introduced.According to the structure and composition of some photoelectric tracking products,the design and realization of LVDS system in the products are proposed.From the problems that have been found in the design and test,the nucleus of the LVDS-design,such as the terminating-resistance matching,thoroughfare designing and PCB-designing are summarized.The experiment tests that the design solves the problem of high-speed,big-capacity and long-distance image transmission,and tests the reliability and stable of this design.

关 键 词：LVDS 差分信号 数据传输 噪声 

分 类 号：TN919-34[电子电信—通信与信息系统]