A Broadband and High-Efficiency Push-Pull Power Amplifier with Dual-Input and Planar Output Balun

被引：0
|
作者：
Zang, Carsten [1 ]
Auer, Felix [1 ]
Kamper, Michael [1 ]
机构：
[1] Fraunhofer Inst Integrated Circuits IIS, Erlangen, Germany
来源：
2019 12TH GERMAN MICROWAVE CONFERENCE (GEMIC) | 2019年
关键词：
wireless communications; power amplifier (PA); broadband; wideband; multiband; push-pull; high efficiency; planar balun; gallium nitride (GaN);
D O I：
10.23919/gemic.2019.8698176
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：
A broadband push-pull RF power amplifier (PA) is designed and implemented. The PA yields high efficiency from 0.8 to 3.7 GHz with a peak drain efficiency of 68 % at 1.6 GHz. The output power is greater or equal to 40 dBm over the entire band with a minimum power gain of 10 dB. Two 6 W packaged GaN devices are used to design the PA. The PA features individual RF inputs to optimize peak and backoff efficiency; phase shift between the inputs and its influence on the overall performance is investigated through simulation and measurement. A planar balun is used at the output. No additional output matching is utilized.
引用
收藏
页码：248 / 251
页数：4
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