New Output Combiner Design for Broadband Doherty Power Amplifier

被引：0
|
作者：
Chen, Shichang [1 ]
机构：
[1] Hangzhou Dianzi Univ, Xiasha High Educ Pk, Hangzhou 310018, Zhejiang, Peoples R China
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON COMPUTATIONAL ELECTROMAGNETICS (ICCEM) | 2016年
关键词：
EFFICIENCY;
D O I：
暂无
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：
This paper introduces a broadband and compact output combiner for Doherty power amplifier. A grounded quarter-wavelength (lambda/4) line is added to the output of the peaking amplifier, which helps to compensate the bandwidth limiting effect happened in the conventional combiner. Frequency response analysis indicates that stable impedance is achieved across a wide band for the carrier PA. For demonstration, a Doherty power amplifier prototype based on the proposed structure is implemented using two 10W GaN HEMT transistors. Good simulation and measurement results are achieved.
引用
收藏
页码：391 / 393
页数：3
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