Broadband Doherty Power Amplifier and Linearization

被引：0
|
作者：
Chen, Wenhua [1 ]
Chen, Xiaofan [1 ]
Wang, Zonghao [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
来源：
2016 46TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2016年
关键词：
power amplifier; Doherty; continuous mode; digital predistortion; compressive sensing; DIGITAL PREDISTORTION;
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 will review the recent progress in broadband Doherty power amplifier (PA) and low feedback sampling rate digital predistortion (DPD) techniques. Continuous mode impedance matching method is proposed for Doherty PA for bandwidth enhancement, which utilizes the cross-matching technique to realize the physical output matching network. Owing to the compressive sensing method, the behavioral model can be extracted by using the aliased feedback signal, the broadband PA nonlinearity can be well corrected by the estimated output, and the feedback sampling rate can be reduced drastically.
引用
收藏
页码：961 / 964
页数：4
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