DX200发射机调制编码板工作原理与故障分析处理
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摘要:文章介绍了DX200KW发射机调制编码板的工作原理,并介绍了调制编码板的常见故障及几种常用的查找处理方法,方便中波广播技术人员学习和交流。
关键词:DX200;发射机;调制编码板;B+/B-故障
doi:10.3969/J.ISSN.1672-7274.2022.03.059
中图分类号:TN 83 文献标示码:B 文章编码:1672-7274(2022)03-0179-03
Working Principle and Fault Analysis and Treatment of Dx200 Transmitter Modulation Coding Board
ZHANG Yi
(Yunnan Media Group, Kunming 650500, China)
Abstract: This paper introduces the working principle of DX200kw transmitter modulation coding board, and introduces the common faults of modulation coding board and several common search and processing methods, which is convenient for medium wave broadcasting technicians to learn and communicate.
Key words: Dx200; transmitter; modulation coding board; B + / B - fault
0 引言
目前,DX序列发射机在我国中波发射台站被广泛运用,为现阶段比较先进、运行稳定的主要机型。(剩余4253字)