汽车零部件电磁兼容测试中高速CAN总线负载阻抗匹配方法的介绍  

Introduction to proper loading method of CAN BUS-C system during automotive component EMC testing

作　　者：马欣[1] 熊炜[1] 付洪英[1] 

机构地区：[1]上海市计量测试技术研究院

出　　处：《上海计量测试》2009年第1期13-17,共5页Shanghai Measurement and Testing

摘　　要：文章介绍当前汽车工业被广泛采用的高速CAN总线技术在电磁兼容测试中的负载阻抗配置的解决方案,并特别结合汽车企业标准DC11225,介绍了在电磁兼容试验中使用光电隔离器接入高速CAN总线时,对光电隔离器的内阻设置要求,为电磁兼容测试中测试设置提供参考。CAN BUS is a now-rising technology which is widely used within automotive industry .This article introduces the proper loading impedance matching method of CAN bus network in EMC testing, and suggests a solution for CAN bus fiber optical connection and fiber optical device internal impedance setting per Chrysler specification DC11225. The suggestion can be used as a guideline in the EMC testing practice.

关 键 词：负载 阻抗匹配 高速控制器局域网总线 电磁兼容 光电隔离 汽车零部件 

分 类 号：U463.6[机械工程—车辆工程]