缺相e类功率放大器的负载-拉力分析

The 2nd International Conference on Wireless Broadband and Ultra Wideband Communications (AusWireless 2007) Pub Date : 2007-08-27 DOI:10.1109/AUSWIRELESS.2007.42

K. Tom, V. Bassoo, M. Faulkner, T. Lejon

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引用次数: 8

摘要

本文讨论了一种负载-拉力分析技术来表征e类放大器在失相功率组合方案中的效率性能。e类放大器具有提供高效率的潜力。e类放大器并不是一个理想的电流或电压源，这是传统的失相结构分析所需要的。它需要一个相位调制的输入信号，并具有非线性传输特性，该特性是负载阻抗的函数。在此，我们基于负载-拉力分析定义了一个工作负载轨迹，该轨迹可用于预测与失相e类放大器相关的非线性传递函数、效率、输出功率、输入驱动相位和许多其他因素。该方案也可用于在同相结构中表征任何放大器类别。

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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Load-Pull Analysis of Outphasing Class-E Power Amplifier

In this paper, we discuss a load-pull analysis technique to charaterize the efficiency performance of class-E amplifier in an outphasing power combining scheme. Class-E amplifier has the potential to deliver high efficiency. Class-E amplifier is not an ideal current or voltage source as is required for the traditional analysis of outphasing structures. It requires a phase modulated input signal and has a non-linear transfer characteristic which is a function of load impedance. Here we define an operating load locus based on the load-pull analysis which can be used to predict the non-linear transfer function, efficiency, output power, input drive phase and many other factors associated with the outphasing class-E amplifier. This scheme could also be used to characterize any amplifier class in an outphasing structure.

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来源期刊

The 2nd International Conference on Wireless Broadband and Ultra Wideband Communications (AusWireless 2007)

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