| 前馈线性功率放大器的设计与关键技术 |
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| 引用本文： | 付瑞改,韩军,皇甫一江.前馈线性功率放大器的设计与关键技术[J].计算机与网络,2008(13):29-31. |
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| 作者姓名： | 付瑞改 韩军 皇甫一江 |
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| 作者单位： | 中国电子科技集团公司第五十四研究所;海军驻北京地区电子设备军事代表室; |
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| 摘 要： | 介绍了前馈线性功率放大器的基本原理和设计方案,指出实际中采用的是自适应的前馈功率放大器系统;指出前馈线性功率放大器设计的关键技术主要是:矢量调节器的设计、自适应方法和控制系统;指出矢量调节器中的关键器件是数字可变移相器,提出了一种数字可变移相器的设计方案;提出了3种自适应方法:导频法、最小功率检测法和相关检测法,并分析其优缺点;提出控制系统是前馈线性功率放大器系统的核心器件,也是设计的关键器件。
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| 关 键 词： | 前馈线性功率放大器 矢量调节器 自适应 控制系统 |
Design and Key Technology of Feed-forward Linear Power Amplifier |
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| FU Rui-gai HAN Jun HUANGFU Yi-jiang.Design and Key Technology of Feed-forward Linear Power Amplifier[J].China Computer & Network,2008(13):29-31. |
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| Authors: | FU Rui-gai HAN Jun HUANGFU Yi-jiang |
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| Affiliation: | FU Rui-gai~1 HAN Jun~1 HUANGFU Yi-jiang~2 (1 The 54th Research Institute of CETC,Shijiazhuang Hebei 050081,China) (2 Electronic Equipment Military Representatives Office of Navy in Beijing,Beijing 100089,China) |
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| Abstract: | The basic principle and the design scheme of the feed-forward linear power amplifier are introduced.It is the adaptive feed-forward linear power amplifier that is adopted in practice.Core technologies for the feed-forward linear power amplifier are pointed out including design of vector adjuster,design of self-adaption and of control system.In the vector adjuster,the key device is the digital variable phase shifter and a design scheme for it is presented.Three adaptive methods are put forward and analyzed i... |
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| Keywords: | feed-forward linear power amplifier vector adjuster self-adaption control system |
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