输入谐波相位控制的宽带高效率连续逆F类功率放大器

黄超意; 聂泽宁; 熊珉

doi:10.11999/JEIT231202

输入谐波相位控制的宽带高效率连续逆F类功率放大器

doi: 10.11999/JEIT231202

黄超意^{1, 2, ,},
聂泽宁³,
熊珉¹

1.
重庆邮电大学光电工程学院重庆 400065
2.
重庆邮电大学光电信息感测与传输技术重庆市重点实验室博士后科研工作站重庆 400065
3.
电子科技大学电子科学与工程学院成都 611731

基金项目: 重庆市自然科学基金(cstc2020jcyj-msxmX0129)，重庆市教委科学技术研究项目(KJQN201900621)

详细信息

作者简介:
黄超意：男，讲师，研究方向为射频微波电路

聂泽宁：男，硕士生，研究方向为射频功率放大器

熊珉：男，本科生，研究方向为射频功率放大器

通讯作者:
黄超意　huangcy@cqupt.edu.cn

中图分类号: TN722
计量
- 文章访问数: 83
- HTML全文浏览量: 38
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2023-11-01
- 修回日期: 2024-04-17
- 网络出版日期: 2024-05-13

Broadband High-Efficiency Continuous Inverse Class-F Power Amplifier Based on Input Harmonic Phase Control

HUANG Chaoyi^{1, 2
, ,},
NIE Zening³,
XIONG Min¹

1.
School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
2.
Postdoctoral Research Workstation of Chongqing Key Laboratory of Optoelectronic Information Sensing and Transmission Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
3.
School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

Funds: Chongqing Natural Science Foundation (cstc2020jcyj-msxmX0129), The Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN201900621)

摘要

摘要: 卫星通信与地面移动通信的互补融合已成为趋势，这意味着以功率放大器(功放)为核心的无线射频前端需要应对大带宽和高效率的双重挑战。该文提出的输入谐波相位控制方法可以有效突破功放带宽和效率相互制约的瓶颈，并以连续逆F类工作模式为基础，通过控制输入端二次谐波相位来重构晶体管漏极时域波形，在保证高效率的同时获得阻抗设计空间的大幅提升。利用这一拓展的阻抗设计空间，研制了一款1.7～3.0 GHz的连续逆F类功放，实测结果表明在该工作频段内可以实现40.6～42.8 dBm的输出功率和72.2%～78.6%的漏极效率，同时增益可达10.6～14.8 dB。
- 射频功率放大器 /
- 连续逆F类 /
- 输入谐波工程
Abstract: The integration of satellite communication and ground mobile communication in a complementary manner has emerged as a prevailing trend, which means the wireless radio frequency front-end with Power Amplifier (PA) as the core need to tackle the dual challenges of high efficiency and large bandwidth. In this paper, the proposed input harmonic phase control method effectively overcomes the bottleneck of mutual restriction between bandwidth and efficiency. By employing a continuous inverse Class-F operating mode, it enables the reconstruction of transistor drain waveform through precise control of the input second harmonic phase. This approach ensures high efficiency, while significantly enhancing the impedance design space. Based on the expanded design space, a continuous inverse Class-F PA is designed and fabricated over the frequency band of 1.7-3.0 GHz. Experimental results demonstrate an output power of 40.6-42.8 dBm, accompanied by a drain efficiency ranging from 72.2% to 78.6%. Additionally, the gain of the designed PA ranges from 10.6 dB to 14.8 dB.
- Radio frequency power amplifiers /
- Continuous inverse Class-F /
- Input harmonic engineering

HTML全文

图 1 输入二次谐波相位差值控制框图

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图 2 γ=0.4, ψ=1.4π时的栅极波形

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图 3 输入二次谐波相位差值与各次电流分量关系

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图 4 输入二次谐波作用下的归一化漏极时域波形

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图 5 输入二次谐波作用下的归一化负载阻抗空间

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图 6 负载匹配电路

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图 7 电流源端面的阻抗变化轨迹

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图 8 整体电路图

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图 9 不同频点下大信号仿真漏极波形

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图 10 功放实物图

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图 11 功放性能仿真与测试结果

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表 1 功放性能对比

文献序号	工作模式	频率(GHz)	DE(%)	Gain(dB)	Pout(dBm)	年份
文献[8]	混合逆连续类	2.4-3.9	62.2-74.7	10.7-12.5	39.6-41.4	2016
文献[11]	连续逆F类	1.35-2.35	71-82	/	40.1-41.5	2020
文献[12]	混合逆连续类	2.0-3.0	67.5-77.8	10.2-12.4	40.2-42.4	2023
文献[13]	混合连续类	1.6-2.8	61.2-72.4	11.1-14.9	40.4-42.3	2022
文献[16]	连续逆F类	3.05-3.85	70-78	11-12.4	39.9-41.4	2021
本文	连续逆F类	1.7-3.0	72.2-78.6	10.6-14.8	40.6-42.8	2023

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参考文献(17)

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