自适应电缆均衡器在高清SDI传输设备中的应用  

Application of Automatically Adaptive Cable Equalizer Used in High-definition SDI Transmission

作　　者：章俊 

机构地区：[1]上海市电子物理研究所,上海201800

出　　处：《电视技术》2010年第5期67-68,72,共3页Video Engineering

基　　金：上海市科委应用技术开发专项资金项目(07-225)

摘　　要：论述了自适应电缆均衡器在高清串行数字接口(SDI)传输设备中的应用,按照其特性说明了在传输设备中使用的作用及必要性,同时根据自适应电缆均衡器使用的要求,分析了在电路板设计过程中需注意的问题,并将这种自适应电缆均衡器实际应用于高清SDI传输设备的制作中,测量了其宽带传输的反射损耗特性,结果符合高清信号传输的要求。In this article, the application of an automatically adaptive cable equalizer in high-definition SDI transmission equipment is discussed. According to its characteristics, the applying necessity and requirement of the automatically adaptive cable equalizer is analyzed. The possible problem in the PCB circuit board designing is studied. The equalizer is used in the manufacturing of a high-definition SDI transmission equipment. Its retum loss is measured. The results show that this equipment is broad-band and can be used in high-definition signal transmission.

关 键 词：电缆均衡器:串行数字接口:高清晰度视频 

分 类 号：TN943.1[电子电信—信号与信息处理]