中波发射系统自动倒换功能的设计与实现  

Design and Implementation of Automatic Switching Function of Medium Wave Transmission System

作　　者：田云 Tian Yun(Station 861,Guizhou Radio and Television Bureau,Guizhou 554300,China)

机构地区：[1]贵州省广播电视局八六一台,贵州554300

出　　处：《广播与电视技术》2024年第2期93-97,共5页Radio & TV Broadcast Engineering

摘　　要：本文提出了中波发射系统的自动切换功能设计理念,详细讨论了发射机的自动倒换、馈线的自动倒换以及调配网络的自动倒换功能。此外,本文还深入探讨了如何根据输入阻抗和输出阻抗设计调配网络,以及如何利用真空继电器实现中波发射系统的自动切换。期望能为中波广播发射系统的优化提供有价值的参考。This paper mainly proposes the design idea of the automatic switching function of the medium wave transmission system,the automatic switching function of the transmitter,the automatic switching function of the feeder and the automatic switching function of the distribution network.In addition,this paper discusses how to design the distribution network of input impedance and output impedance and how to use a vacuum relay to realize the automatic switching of the medium wave transmission system,providing a reference for the optimization of the whole medium wave broadcast transmission system.

关 键 词：调配网络 自动倒换功能 真空继电器 驻波比 

分 类 号：TG220.7[金属学及工艺—铸造]