高频非线性记忆效应对5G应用Doherty功率放大器线性化性能的影响研究

2023 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications Pub Date : 2023-01-22 DOI:10.1109/PAWR56957.2023.10046283

Christophe Quindroit, Pablo Rochas, N. Monsauret, A. Courty

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引用次数: 0

摘要

本文提出了一种评估Doherty功率放大器(PA)射频色散对其线性化性能影响的方法。从PA行为模型出发，单独考虑非线性高频记忆效应，对线性化性能进行了评价。修正了行为模型，人为地减小和增加了射频色散的频带，并评估了对线性度的影响。这些模拟的目的是建议设计人员所需的射频带宽，以达到规定的线性性能。然后，设计人员将相应地调整其电路，以最大限度地提高效率-线性度的权衡。

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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Study of High Frequency Nonlinear Memory Effect on Doherty Power Amplifiers Linearization Performances for 5G Applications

This paper presents a method to evaluate the impact of RF dispersions of a Doherty power amplifier (PA) on its linearizability. From the PA behavioral model, considering exclusively the nonlinear high-frequency (HF) memory effects, the linearization performance is evaluated. The behavioral model is modified to artificially reduce and increase the band of the RF dispersions and evaluate the impact on the linearity. The purpose of these simulations is to advise the designer of the required RF bandwidth to achieve the mandatory linearity performance. The designer will then adjust its circuit accordingly to maximize the efficiency-linearity trade-off.

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2023 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications

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