数字中波发射机无规律烧毁功放管故障浅析  

Transmitter Trouble Shooting

作　　者：王贵金[1] 张隶军[1] 夏明臻[1] 

机构地区：[1]扬州广播电视局

出　　处：《广播与电视技术》2004年第2期83-85,1-6,共3页Radio & TV Broadcast Engineering

摘　　要：发射机在运行过程中出现故障是不可避免的,关键是要运用理论和实践经验对出现的故障做到具体问题具体分析,以尽快排除故障,保证节目的安全优质播出。为此,本专题特收录了几篇关于广播与电视发射机故障检修的文章,这些文章对不同厂家生产的发射机在发射台实际运行过程中出现的各种故障进行了分析和处理,以期对业内同行有一定的启发和参考作用。The appearence of trouble in the operation process of transmitters is inevitable. The key to the question is to give a concrete analysis to an appeared trouble by using the theoretical and practical experiences in order to clear it as soon as possible and to ensure secure and high-quality program transmission. To this end, some articles are collected on radio and TV transmitter trouble shooting, in which an analysis and shooting are made of troubles appeared in practical operation of different manufacturers' transmitters. It is hoped to be for insiders' reference.

关 键 词：数字中波发射机 故障检测 电路结构 功率模块 电路原理 功放管 烧毁故障 

分 类 号：TN838[电子电信—信息与通信工程]