Optimal Design of Doherty Power Amplifier Based on Dual-mode Impedance Error Strategy

被引：1

作者：

Fu, Hongyan ^{[1
]}

Kong, Wa ^{[1
]}

Xia, Jing ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Comp Sci & Commun Engn, Zhenjiang, Jiangsu, Peoples R China

来源：

2022 IEEE CONFERENCE ON ANTENNA MEASUREMENTS AND APPLICATIONS, CAMA | 2022年

基金：

中国国家自然科学基金;

关键词：

Doherty Power Amplifier; Dual Mode; Multi-Objective Optimization algorithm; Matching Network;

D O I：

10.1109/CAMA56352.2022.10002674

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For better performance, this paper proposes an optimization objective function strategy using the dual-mode matching theory of the Doherty power amplifiers (DPAs). The proposed dual-mode impedance error strategy can be used in the multi-objective optimization algorithm for the carrier and peaking output matching network designs in the DPA. For verification, a 1.5-2.6 GHz wideband DPA was designed to meet the impedance optimization requirements in the back-off power and saturation modes. The 6 dB back-off efficiency achieves 44.3%-56.4% over the whole frequency band, the saturation power of this DPA is 42.3-44.2 dBm with a gain of 8.4-10.2 dB in the interested band.

引用

页数：3

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