| 50KW数字调幅（DAM）发射机功率控制原理分析 |
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| 引用本文： | 陈山.50KW数字调幅（DAM）发射机功率控制原理分析[J].电子测试,2016(18):147-148. |
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| 作者姓名： | 陈山 |
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| 作者单位： | 四川广播电视台505发射传输台,615000 |
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| 摘 要： | 我台中波主发射机为50KW数字调幅（DAM）发射机，陕西762厂生产。该机采用先进的数字化调幅技术和功率合成技术，性能指标优良，远高于部颁甲级标准，整机效率可达85％以上。该机为全固态模块化设计，结构简单，便于维护、检修、控制、检测，安全保护措施完善，故障率低。
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| 关 键 词： | 数字化调幅技术 功率合成技术 |
Analysis of the principle of 50KW digital amplitude modulation (DAM) transmitter power control |
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| Abstract: | I am a wave of the main transmitter for the 50KW Digital AM(DAM)transmitter,Shaanxi 762 factory production.This machine adopts digital modulation technology and power synthesis technology, good performance,far higher than the ministerial standard of Grade A,the efficiency can reach more than 85%.This machine is the solid state modular design,the structure is simple,easy to maintain, overhaul, control,detection,security measures to improve,the fault rate is low. |
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| Keywords: | digital amplitude modulation technology power synthesis technology |
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