Highly efficient Doherty power amplifier using continuous inverse class-F and class-J hybrid mode

被引：1
|
作者：
Wang, Tao [1 ]
Cheng, Zhiqun [1 ]
Liu, Guohua [1 ]
机构：
[1] Hangzhou Dianzi Univ, Sch Elect & Informat Engn, Hangzhou, Peoples R China
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2020年 / 30卷 / 12期
基金：
中国国家自然科学基金;
关键词：
class‐ J; continuous inverse class‐ F; Doherty power amplifier; hybrid mode; DESIGN;
D O I：
10.1002/mmce.22464
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A continuous inverse class-F (CCF-1) and class-J hybrid mode for the carrier power amplifier (PA) of the Doherty power amplifier (DPA) is proposed in this paper. In this hybrid mode, the carrier PA works in the CCF-1 mode at the saturated output power and the class-J mode at the low output power, which extends the design space of the conventional single continuous mode. A highly efficient Doherty power amplifier based on this hybrid mode is designed and fabricated using a CGH40010F 10 W GaN HEMT packaged device. The measurement results illustrate that drain efficiency (DE) of 67.2% to 81.7% at the saturated output power (Pout) and 50.4% to 60.1% at 6 dB output back-off (OBO) is achieved across the band 1.5 to 2.1 GHz with the saturated output power is about 43.3 to 44.6 dBm.
引用
收藏
页数：9
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