DX200發(fā)射機(jī)調(diào)制編碼板工作原理與故障分析處理
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摘要:文章介紹了DX200KW發(fā)射機(jī)調(diào)制編碼板的工作原理,并介紹了調(diào)制編碼板的常見故障及幾種常用的查找處理方法,方便中波廣播技術(shù)人員學(xué)習(xí)和交流。
關(guān)鍵詞:DX200;發(fā)射機(jī);調(diào)制編碼板;B+/B-故障
doi:10.3969/J.ISSN.1672-7274.2022.03.059
中圖分類號(hào):TN 83 文獻(xiàn)標(biāo)示碼:B 文章編碼: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序列發(fā)射機(jī)在我國(guó)中波發(fā)射臺(tái)站被廣泛運(yùn)用,為現(xiàn)階段比較先進(jìn)、運(yùn)行穩(wěn)定的主要機(jī)型。(剩余4253字)