用于LMDS应用的28 GHz线性包络跟踪功率放大器

2011 International Conference on Electrical and Control Engineering Pub Date : 2011-10-24 DOI:10.5963/IJEE0102001

P. M. Roodaki, A. Mohammadi, A. Abdipour, Fatemeh Taghian

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引用次数: 0

摘要

介绍了一种用于28ghz LMDS应用的包络跟踪功率放大器(ET-PA)的设计与仿真。为了减小系统的失真，在数字域采用了线性化算法。仿真结果表明，ET-PA的输出功率为19dBm，线性增益为21dB。该放大器的功率增加效率超过41%，与传统LMDS放大器相比，效率提高了约15%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 28 GHz linear envelope tracking-power amplifier for LMDS applications

This paper presents the design and simulation of an envelope tracking power amplifier (ET-PA) for 28 GHz LMDS applications. A linearization algorithm is also employed in digital domain in order to reduce the distortion of the system. Simulation shows that proposed ET-PA delivers 19dBm output power with 21dB linear gain. Power added efficiency of this amplifier is more than 41% which shows about 15 percent efficiency enhancement compared to conventional LMDS PAs.

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2011 International Conference on Electrical and Control Engineering

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