电讯技术2018，Vol.58Issue(1)：91-95,5.DOI:10.3969/j.issn.1001-893x.2018.01.016
一种回退效率增强宽带Doherty放大器的设计
Design of a Back-Off Efficiency Enhancement Broadband Doherty Amplifier
贾文强 1于洪喜 1杨飞1
作者信息
- 1. 中国空间技术研究院西安分院,西安710100
- 折叠
摘要
Abstract
This paper proposes distributing more power to main amplifier to improve the power conversion efficiency of the back-off scope.A mathematical model is established,which theoretically verifies the efficiency enhancement of the regression.The circuit measurement proves that drain efficiency at 6 dB backoff is greater than 59％,7 percentage points higher than that of other wide-band Doherty,and that peak power output is 46.5 dBm.In addition,the analytical formula for the quasi-lumped transmission line is corrected in which there exists 32.5％ error,thus reducing the time and difficulty of design.关键词
宽带Doherty放大器/类集总传输线/回退效率Key words
broadband Doherty amplifier/quasi-lumped transmission line/back-off efficiency分类
信息技术与安全科学引用本文复制引用
贾文强,于洪喜,杨飞..一种回退效率增强宽带Doherty放大器的设计[J].电讯技术,2018,58(1):91-95,5.
