摘要
电视节目能否顺利播出,与数字发射机的稳定性密切相关。做好数字发射机的检修与维护工作,才能保证节目的顺利播出。文章主要针对数字电视发射机的原理组成,功放单元的故障维护,做一些简单的介绍与维护心得。
Whether TV programs can be broadcast smoothly or not is closely related to the stability of digital transmitters.The overhaul and maintenance work of the digital transmitter is intended to ensure the smooth broadcast of the program. This paper mainly introduces the principle and composition of the digital TV transmitter, as well as the fault maintenance of power amplifier unit, and gives a simple introduction to maintenance experience related to the digital TV transmitter.
出处
《科技创新与应用》
2022年第7期41-43,共3页
Technology Innovation and Application
关键词
地面数字电视发射机
功放
工作原理
故障维修
terrestrial digital TV transmitter
power amplifier
working principle
fault maintenance
