A Ka-Band Power-Combined Amplifier Based on a Six-Way Quasi-planar Power Divider/Combiner

被引：0
作者：
Xu Jie [1 ]
Cui Yinjie [1 ]
Qian Cheng [1 ]
Li Wenyuan [1 ]
机构：
[1] Southeast Univ, Nanjing 210096, Jiangsu, Peoples R China
来源：
2015 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC), VOLS 1-3 | 2015年
关键词：
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：
A Ka-band power-combined amplifier is presented based on a six way quasi-planar power divider/combiner. The directional coupler and three-stage travelling wave waveguide power divider/combiner are combined and analyzed respectively. The measured passive result shows that the back-to-back insertion loss is less than 1.5dB over the frequency range of 27-33GHz, which demonstrates the low-loss performance of the proposed dividing/combing structure. Based on the passive power divider/combiner, a six-way power-combined amplifier has been implemented with six medium power amplifier chips. The measured P-1dB of the power-combined amplifier is greater than 26.5dBm in this frequency band. The obtained combining efficiency is about 83-89%.
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页数：3
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