驻波比变化下EER功率放大器的包络失真

2022 International Conference on Electrical Engineering and Photonics (EExPolytech) Pub Date : 2022-10-20 DOI:10.1109/EExPolytech56308.2022.9950989

V. Sorotsky, R. Zudov, Aleksey O. Pergushev, A. Ulanov, Nikolay V. Kulikov

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引用次数: 2

摘要

包络消除和恢复技术发射机可以放大信号，具有较高的峰值平均功率比，同时实现90%或更高的效率。然而，有许多因素会扭曲信号。本文表明，这些因素之一是射频功率放大器的未调谐负载，这会导致调制电源输出的包络电压失真。以QAM-16的OFDM信号为例，证明了误码率性能会下降一个或两个数量级。

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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Envelope Distortion in EER Power Amplifier under VSWR Variation

Envelope elimination and restoration technique transmitters can amplify signals with a high peak-to-average power ratio while achieving an efficiency of 90% or more. However, there are many factors that can distort the signal. This article shows that one of these factors is the untuned load of the RF power amplifier, which causes distortion of the envelope voltage at the output of the modulation power supply. Using the example of an OFDM signal with QAM-16, it has been demonstrated that the BER performance can deteriorate by one or two orders.

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2022 International Conference on Electrical Engineering and Photonics (EExPolytech)

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