并发三频带多尔蒂功率放大器的设计方法

2015 IEEE International Wireless Symposium (IWS 2015) Pub Date : 2015-03-31 DOI:10.1109/IEEE-IWS.2015.7164633

F. Costanzo, R. Giofré, L. Piazzon, F. Giannini, P. Colantonio, M. V. Deepak Nair

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引用次数: 2

摘要

本文设计了一种用于1.84 GHz、2.14 GHz和2.65 GHz频段的并发三频带Doherty功率放大器(DPA)。采用新的设计策略，每个工作频带周围的频率响应最大程度地平坦化。DPA基于混合技术，使用两个8w GaN HEMT作为有源器件。结果表明，在每个工作频带，漏极效率峰值均高于60%，在相应的6 dB输出功率回退(OBO)时，漏极效率峰值超过45%。最后，在每个工作频率周围实现了200 MHz以上的带宽。

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 design method for concurrent tri-band Doherty Power Amplifier

This paper presents the design of a concurrent tri-band Doherty Power Amplifier (DPA) for 1.84 GHz, 2.14 GHz and 2.65 GHz frequency bands. The frequency response around each operating band is maximally flattened adopting a new design strategy. The DPA is based on hybrid technology using two 8 W GaN HEMT as active devices. The results show a peak of drain efficiency higher than 60 % in each operating band and over 45 % at the corresponding 6 dB output power back-off (OBO). Finally, more than 200 MHz of bandwidth is achieved around each operating frequency.

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2015 IEEE International Wireless Symposium (IWS 2015)

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