某数据终端机RE102辐射发射超标的排查与整改  

Troubleshooting and Rectification of Radiation Emission Exceeding Standard of RE102 of a Data Terminal

作　　者：阮鹏 谢大刚 陈旗 Ruan Peng;Xie Dagang;Chen Qi

机构地区：[1]广州广电计量检测股份有限公司

出　　处：《安全与电磁兼容》2020年第5期59-62,共4页Safety & EMC

摘　　要：针对某数据终端机产品的RE102辐射发射超标问题,系统论述了辐射发射超标问题的整改方法和思路。依据EMC三要素,并利用频谱仪和近场探头,对问题进行了详细的定位分析,最终确定了干扰源头和干扰路径。在对线缆、PCB、结构整改优化后进行测试,验证了产品的RE102辐射发射测试结果符合GJB 151B-2013陆军地面设备的标准限值要求。Aiming at the problem that the radiation emission of RE102 exceeds the standard of a data terminal product,the rectification methods and ideas of radiation emission exceeding standard are systematically discussed.According to the three elements of EMC,and using spectrum analyzer and near-field probe,the problem is analyzed in detail,and finally the interference source and path are determined.After the improvement and optimization of cables,PCB and structure,the test results of RE102 radiation emission of the product meet the standard limit requirements of GJB151B-2013 army ground equipment.

关 键 词：RE102辐射发射 干扰源 干扰路径 EMC三要素 GJB 151B-2013 

分 类 号：E11[军事—军事理论]