凌动平台图形终端的电磁兼容设计  

EMC Design of Atom Platform Graphics Terminal

作　　者：王芳[1] 屈涛[1] 

机构地区：[1]湖南长城信息产业股份有限公司,湖南长沙410100

出　　处：《电子质量》2010年第7期72-75,78,共5页Electronics Quality

摘　　要：高速电路的高频辐射和信号完整性问题极大地影响了电子设备的电磁兼容性。本文从高速电路的传输特性入手分析讨论影响电磁辐射的几大因素,以凌动(ATOM)平台图形终端为例,给出了印制板设计上的可行方案,验证了高速电路电磁兼容设计的基本原则。High frequency radiation and signal intergrity issues in the High-speed circuit significantly affect the electromagnetic compatibility of electronic equipments.The paper analyzes and discusses several important factors about electromagnetic radiation from the transmission characteristics of high-speed circuit,and the practical scheme of PCB design are given by the ATOM platform graphics terminal as an example to verify the base principles of high speed circuit design.

关 键 词：PCB 电磁兼容 高频 信号完整性 回流路径 

分 类 号：TN03[电子电信—物理电子学]