电磁兼容技术在汽车嵌总线中的应用

Technique of Electromagnetic Compatibility in the Use of Automobile CAN Bus

用电磁兼容的设计理论分析了汽车中电子设备受电磁干扰的现象及危害性,对汽车嵌总线系统的PCB板、总线进行了电磁兼容设计,并提出新的滤波电路及连接方法,能解决汽车嵌总线系统的抗干扰问题,达到良好的效果。

This paper presents the theory of new approaches of Electromagnetic compatibility.It analyzes the phenomenon of electromagnetic interference in the electronic equipments of the automobiles and its harmful impact.It narrates the design mentality,the using standard and the technological route of electromagnetic compatibility on windows of automobiles.It also makes the EMC design on the PCB part of the CAN system of the automobiles.At the same time,it put forwards the new filter circuit and connecting methods which solved the interfering problems of the CAN system on automobiles and this system makes a good effect.