协同设计高效GaN滤波器功率放大器

2020 IEEE/MTT-S International Microwave Symposium (IMS) Pub Date : 2020-08-01 DOI:10.1109/IMS30576.2020.9223993

J. Estrada, P. de Paco, S. Johannes, D. Psychogiou, Z. Popovic

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引用次数: 1

摘要

在本文中，我们展示了一种高效4.7 GHz 4-W功率放大器，其输入和输出匹配网络设计为复杂阻抗端口滤波器，用于sub-6 GHz 5G频段。端口阻抗由GaN HEMT的负载和源拉决定，以实现效率和功率的权衡。测量的性能显示，在9%的分数带宽下，PAE=55%，在4.5 GHz和5 GHz时有10 dB抑制。与级联pa滤波器电路相比，损耗降低25%，同时占用面积减少20%。

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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Co-Designed High-Efficiency GaN Filter Power Amplifier

In this paper, we demonstrate a high-efficiency 4.7 GHz 4-W power amplifier with input and output matching networks designed as complex-impedance port filters, within a sub-6 GHz 5G band. The port impedances are determined by the load- and source-pull of a GaN HEMT for an efficiency-power tradeoff. The measured performance shows PAE=55% over a 9% fractional bandwidth, with 10 dB rejection at 4.5 and 5 GHz. Comparison with a cascaded PA-filter circuit shows 25% lower loss with a simultaneous 20% reduction in footprint.

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2020 IEEE/MTT-S International Microwave Symposium (IMS)

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