34 dBm GaN Doherty Power Amplifier for Ka-band satellite downlink

被引：0
|
作者：
Piacibello, Anna [1 ,2 ]
Giofre, Rocco [3 ]
Quaglia, Roberto [4 ]
Camarchia, Vittorio [1 ]
机构：
[1] Politecn Torino, Turin, Italy
[2] Microwave Engn Ctr Space Applicat MECSA, Rome, Italy
[3] Univ Roma Tor Vergata, Rome, Italy
[4] Cardiff Univ, Cardiff, Wales
来源：
2020 15TH EUROPEAN MICROWAVE INTEGRATED CIRCUITS CONFERENCE (EUMIC) | 2021年
关键词：
Doherty; GaN; power amplifiers; satellite;
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 presents the design and experimental characterization of a Doherty power amplifier cell targeting the satellite Ka-band downlink. The foreseen application is in a combined power amplifier, where two Doherty cells are combined in parallel to achieve power levels of the order of 6W. The measured performance of the DPA cell well compares with the present state-of-the-art for the application, with output power in excess of 34dBm in the 17.3-20.3GHz band, gain around 12 dB, and efficiency higher than 25% and 20%, at saturation and 6 dB output power back-off, respectively.
引用
收藏
页码：25 / 28
页数：4
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