Design of Broadband Power Amplifier Based on Loop-shaped Filter Matching Structure

被引：0
|
作者：
Chen, Jin [1 ]
You, Minghui [1 ]
Liu, Guohua [1 ]
Cheng, Zhiqun [1 ,2 ]
机构：
[1] Hangzhou Dianzi Univ, Natl Elect & Elect Expt Ctr, Hangzhou 310018, Peoples R China
[2] Xinjiang Inst Technol, Akesu 843100, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2023年 / 20卷 / 14期
基金：
国家重点研发计划;
关键词：
loop-shaped filter; broadband; high efficiency; power amplifier;
D O I：
10.1587/elex.20.20230206
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：
A method for designing a broadband high-efficiency power amplifier (PA) based on a novel loop-shaped filter matching structure is proposed in this paper. By combining a power amplifier matching circuit and a loop-shaped filter structure, a broadband high-efficiency PA based on a new harmonic matching structure is realized. The novel loop-shaped filter can control the second and third harmonics in a wide frequency range and has a specific control effect on higher-order harmonics, which can further expand the bandwidth of class-F PA and improve efficiency. To verify its feasibility, a power amplifier with a bandwidth of 1.6 GHz-3.4 GHz, a saturated output power greater than 41 dBm, a drain efficiency of 65%-72% with a gain greater than 10dB is designed and fabricated using GaN HEMT CGH40010F transistor.
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页数：6
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