地面数字电视同轴转换开关控制系统解析与典型故障排查

The Way of Typical Troubleshooting and Analysis of Coaxial Conversion Switch Control System for Terrestrial Digital Television

作为地面数字电视主/备用发射装置的重要组成部分,同轴转换开关在收发设备切换、播控功能转换等方面发挥了重要作用。针对同轴转换开关的控制系统进行深入研究,探析其在发射装置、假负载等方面的应用情况,通过工作原理解析、安装连接分析,给出同轴转换开关控制系统的典型故障排查方法。

As an important component of the main&backup transmission device of terrestrial digital television,the coaxial conversion switch plays an important role in switching between transmitting and receiving equipment,and switching between broadcasting and control functions.This article conducts in-depth research on the control system of coaxial conversion switches,exploring their applications in transmission devices,false loads,and other aspects.Through analysis of working principles and installation connections,typical fault troubleshooting methods for coaxial conversion switch control systems are provided.