卫星电视广播接收机电磁兼容性能分析  

Analysis on Electromagnetic Compatibility of Satellite TV Broadcast Receiver

作　　者：刘扬[1] 霍宏艳[2] 吴晓[2] 

机构地区：[1]北京出入境检验检疫局,北京100176 [2]国家广播电视产品质量监督检验中心,北京100015

出　　处：《电视技术》2015年第18期30-32,共3页Video Engineering

摘　　要：卫星电视广播接收机作为广播电视信号接收重要环节,已经成为行业关注的焦点。介绍了卫星电视广播接收机的产品认证及检测情况,对卫星电视广播接收机的电磁兼容性能进行了整体评价;列举了影响卫星电视广播接收机电磁兼容性能的重要关键件,对典型电磁干扰现象进行了分析,针对重要关键件提出了抑制电磁干扰的电路设计方法及有效措施;最后从市场抽查的角度指出生产厂商应严把质量关,优化产品生产工艺,提高产品性能。As an important part of radio and television signal receiving, the satellite TV broadcasting receiver has become a focus. In this paper, the compulsive product certification of Satellite TV broadcast receiver is introduced. The electromagnetic compatibility of satellite TV broadcast receiver is analyzed in detail. The typical electromagnetic interferences from the important key are listed and the effective measures to restrain electromagnetic interference are presented. Finally, the paper points out that manufacturers should strictly control the quality of the product, improve prnduct performance.

关 键 词：电磁兼容 卫星电视广播接收机 开关电源 调制解调板 

分 类 号：TN949[电子电信—信号与信息处理]