广播电视发射台站无缝射频切换系统设计  

Design of Seamless Radio Frequency Switching System for Radio and TV Transmitting Station

作　　者：唐丽[1] 闭涛[1] Tang Li;Bi Tao(Guangxi Radio and Television Technology Center,Guangxi 530022,China)

机构地区：[1]广西广播电视技术中心,广西530022

出　　处：《广播与电视技术》2021年第11期84-86,共3页Radio & TV Broadcast Engineering

摘　　要：本文介绍了一种广播电视发射台站无缝射频切换系统,详细分析了该系统的总体方案、设计思路及工作原理。针对射频切换开关倒换过程中信号中断的问题,提供了一种解决方案。This paper introduces a seamless RF switching system for radio and television transmitting station,and analyzes overall scheme,design idea and working principle of the system in detail.Aiming at the problem of signal interruption during switching process of RF switch,this paper provides a solution.

关 键 词：广播电视 射频 无缝切换 3dB电桥 

分 类 号：TN934.81[电子电信—信号与信息处理]