| CATV延长放大器的开关电源工作原理及维修改进 |
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| 引用本文： | 林娟,张一平.CATV延长放大器的开关电源工作原理及维修改进[J].信息技术与信息化,2001(1):38-39. |
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| 作者姓名： | 林娟 张一平 |
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| 作者单位： | 济南市广播电视局信息网络中心,250014 |
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| 摘 要： | 为适应延长放大器长期、高温运行的要求,应采用MOSFET场效应管作开关管的开关电源,本文介绍电源电路、脉宽调整、工作原理以及常见故障的维修和改进,此开关电源在有线电视和其它电子器材上,应用前景很广阔.
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| 关 键 词： | 延长放大器 MOSFET场效应管 开关电源 脉宽调整 电压取样 平滑滤波 |
| 修稿时间： | 2000年11月2日 |
Principle and Maintenance and Improvement of the Switching Power of the 5LA-36GT Subline Amplifier |
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| LIN Juan,ZHANG Yi-ping.Principle and Maintenance and Improvement of the Switching Power of the 5LA-36GT Subline Amplifier[J].Information Technology & Informatization,2001(1):38-39. |
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| Authors: | LIN Juan ZHANG Yi-ping |
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| Affiliation: | LIN Juan ZHANG Yi-ping |
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| Abstract: | To adapt the requirement that the Subline Amplifie r operates over a long period of time,We must use the Switching Power,the MOSFET Field Effect Transistor act as switching transistor.This paper introduces the P ower Circuit,Pulse-width adjustment,operating principium as well as maintenanc e and improvement of common trouble.This switching power is widely used in CATV and other electrical instruments.Its perspective use is vast. |
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