0.3～3.5 GHz混合连续类功率放大器的设计

李军; 代法亮; 尹希雷; 朱佳垟; 刘春秀; 刘太君

doi:10.11999/JEIT200277

0.3～3.5 GHz混合连续类功率放大器的设计

doi: 10.11999/JEIT200277

宁波大学信息科学与工程学院宁波 315211

基金项目: 国家自然科学基金(61571251)，宁波市自然科学基金(2018A610024)，宁波大学校重点项目(JYXMXZD201915)

详细信息

作者简介:
李军：男，1983年生，副教授，硕士生导师，研究方向为高效射频功放设计及多物理场耦合分析、射频功放的建模和线性化技术等

代法亮：男，1995年生，硕士生，研究方向为射频功放及无线收发信机的设计

尹希雷：男，1993年生，硕士生，研究方向为射频功放设计及其多物理场分析

朱佳垟：男，1996年生，硕士生，研究方向为射频功率放大器设计及其线性化

刘春秀：女，1996年生，硕士生，研究方向为射频功放设计及数字预失真技术

刘太君：男，1965年生，教授，博士生导师，研究方向为射频功放的建模和线性化技术、高效射频功放设计、宽带无线通信射频前端关键技术、认知无线电收发信机等

通讯作者:
李军　lijun1@nbu.edu.cn

中图分类号: TN722
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出版历程
- 收稿日期: 2020-04-17
- 修回日期: 2021-01-25
- 网络出版日期: 2021-02-23
- 刊出日期: 2021-04-20

Design of a 0.3～3.5 GHz Hybrid Continuous Power Amplifier

Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China

Funds: The National Natural Science Foundation of China (61571251), The Natural Science Foundation of Ningbo (2018A610024), The Key Projects of Ningbo University (JYXMXZD201915)

摘要

摘要: 混合连续类相比较于传统连续类模型弱化了阻抗条件，简化了宽带匹配难度。该文通过采用混合连续类模型并基于阻抗缓冲概念为理论的新型谐波控制网络，设计了一款跨3个倍频层的混合连续类射频功率放大器。实测结果表明在0.3～3.5 GHz相对带宽为168.4%的频段范围内实现了漏极效率58.4%～72.6%，增益10 dB以上，输出功率为39.8～41.2 dBm。
- 射频功率放大器 /
- 混合连续类 /
- 阻抗缓冲
Abstract: Compared with the traditional continuous model, the mixed continuous model weakens the impedance condition and simplifies the difficulty of broadband matching. In this paper, a new type of harmonic control network used a hybrid continuous model and based on the concept of impedance buffering is designed to design a hybrid continuous radio frequency power amplifier that spans three octave layers. The measured results show that the drain efficiency is 58.4%～72.6%, the gain is more than 10 dB, and the output power is 39.8～41.2 dBm in the frequency range of 168.4% relative bandwidth of 0.3～3.5 GHz.
- Radio frequency power amplifier /
- Hybrid continuous class /
- Impedance buffer

HTML全文

图 1 混合连续类归一化漏极电压波形

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图 2 混合连续类电流源平面的阻抗变化轨迹

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图 3 谐波调谐网络

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图 4 优化后的电流源平面的谐波网络加匹配结构

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图 5 在电流源平面的输出网络阻抗变换轨迹

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图 6 整体电路结构图

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图 7 不同频点下大信号仿真电压电流波形

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图 8 混合连续类功放实物图

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图 9 仿真与实测对比图

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表 1 本文设计功放与国内外相关功放性能对比

文献对比	工作模式	频率(GHz)	BW(%)	PAE(%)	DE(%)	增益(dB)	Pout(dBm)	年份
文献[2]	F类/逆F类	2.4～4.2	54.5	–	55.0～82.0	11～13.6	39.5～41.9	2019
文献[11]	连续类	0.8～3.6	127.0	–	55.8～74.1	10.2～12.2	39.5～42.1	2016
文献[13]	连续F类	0.5～2.3	128.5	52.7～80.7	60.0～81.0	11.7～25.3	39.2～41.2	2017
文献[15]	BJ类/F-1类	2.2～2.8	24.0	58.0～75.0	65.9～79.7	12.0～18.0	41.0～43.0	2019
文献[16]	连续B/J类	1.2～2.6	74.0	–	63.0～68.0	10.0～13.6	40.5～41.6	2018
本文	混合连续	0.3～3.5	168.4	–	58.4～72.6	10.0～18.0	39.8～41.2	2019

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参考文献(16)

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