| 模拟预失真在高功率放大器中的应用 |
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| 引用本文： | 张鹏,官伯然.模拟预失真在高功率放大器中的应用[J].现代电子技术,2005,28(12):88-89,92. |
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| 作者姓名： | 张鹏 官伯然 |
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| 作者单位： | 1. 西安电子科技大学,陕西,西安,710071;杭州电子工业学院,浙江,杭州,310018
2. 杭州电子工业学院,浙江,杭州,310018 |
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| 摘 要： | 通信技术的发展对于功率放大器的要求越来越高，主要需求集中在高线性高效率的功放。前馈是目前改善功放线性比较好的方法，但是该方法的一个问题是降低了功放的效率。文中使用模拟预失真技术与前馈技术相结合，通过相应的分析与试验，证明该方法可以在不恶化线性指标的前提下提高功放前馈系统的效率。
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| 关 键 词： | 功率放大器 前馈 模拟预失真 非线性 |
| 文章编号： | 1004-373X(2005)12-088-02 |
Application of Analog Pre -distortion Technique in the Design of High Power Amplifier |
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| ZHANG Peng,GUAN Boran.Application of Analog Pre -distortion Technique in the Design of High Power Amplifier[J].Modern Electronic Technique,2005,28(12):88-89,92. |
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| Authors: | ZHANG Peng GUAN Boran |
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| Affiliation: | ZHANG Peng 1,2,GUAN Boran 2 |
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| Abstract: | The development of microwave communication has brought forward the demand of high quality linear high power amplifier. Feedforward is one of the best techniques to improve the linearity of the power amplifier. However, there exists the drawback of feedforward technique of the power amplifier efficiency reduction. In this paper, the analog predistorter is added before the power amplifier, which is in the feedforward system. The analysis and experiment showed that the efficiency has been notably improved without the linearity deterioration. |
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| Keywords: | power amplifier feedforward analog pre-distortion non-linear |
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