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Broadband Sequential Load-Modulated Balanced Amplifier With Source Second Harmonic Control

delete2025-09-01
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PRE
AI
H
Huang, Haojie
Y
Yixi Tang
W
Wenjie Feng *
曹
曹云飞 (Yunfei Cao)
朱
朱浩慎 (Haoshen Zhu)
唐锟 封面图
唐锟 (Kun Tang)
W
Wenquan Che
Q
Quan Xue
DOI:10.1109/LMWT.2025.3582303delete
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摘要

摘要

En 中文
本封信函提出了一种适用于级联负载调制平衡放大器(SLMBA)的高效性与扩展设计空间的方法。通过引入源二次谐波的非线性因子,扩展了连续Class-F-1控制放大器(CA)的负载阻抗设计空间,从而进一步提升了CA的效率与设计空间。基于SLMBA的负载调制机制,平衡放大器(BA)的负载阻抗设计空间可通过源二次谐波的非线性因子得以扩展。利用该方法,SLMBA可实现宽带和高效率性能。为验证所提方法,采用商用GaN晶体管设计并制作了一款SLMBA。该SLMBA的工作频率范围为1.8至2.6 GHz。在设计的频带内,饱和状态下的漏极效率(DE)为57%-76%,在6/8-dB输出回退(OBO)时分别为52.3%-62.6%/46.1%-61.4%。
Keyword:
Impedance
Harmonic analysis
Broadband amplifiers
Bandwidth
Power amplifiers
Aerospace electronics
Wireless communication
Logic gates
Trajectory
Power generation
Broadband
high efficiency
sequential load-modulated balanced amplifier (SLMBA)
source second harmonic manipulation

期刊

I
IEEE Microwave and Wireless Technology Letters
IF:
3.4
论文数:
714
被引数:
1.6K

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