A Ku-Band 40W GaN Power Amplifier MMIC for Satellite Communication

被引:2
作者
Zhu, Shiquan [1 ]
Liu, Yujie [1 ]
Xiao, Zhilong [1 ]
Huang, Lei [1 ]
Wu, Qingzhi [1 ]
Mao, Shuman [1 ]
Wang, Huanpeng [1 ]
Xu, Yuehang [1 ]
机构
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Peoples R China
来源
2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年
基金
中国国家自然科学基金;
关键词
GaN HEMT; Ku-band; high power amplifier; high linearity; Satellite communication;
D O I
10.1109/IMWS-AMP54652.2022.10106822
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 Ku-band high power amplifier (HPA) MMIC is designed based on 0.15 mu m GaN HEMT process. To improve the HPA efficiency, a compact and concise 16-way power synthesis network is applied to reduce the insertion loss of match networks. Meanwhile, the optimal third-order intermodulation distortion (IMD3) impedance is taken into account to improve the linearity. The measured results under continuous wave (CW) excitation show that the power-added efficiency (PAE) is more than 36% with output power over 46dBm (40W) among 13-15.5 GHz, while the IMD3 is better than -24 dBc at 40dBm output power (two tones) back-off (PBO). The total chip size is 3.7x5.9mm(2).
引用
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页数:3
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