Full Text:   <526>

Summary:  <88>

CLC number: TN722

On-line Access: 2024-02-23

Received: 2023-02-08

Revision Accepted: 2024-02-23

Crosschecked: 2023-05-17

Cited: 0

Clicked: 707

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Zhijiang DAI

https://orcid.org/0000-0003-4914-1464

-   Go to

Article info.
Open peer comments

Frontiers of Information Technology & Electronic Engineering  2024 Vol.25 No.2 P.308-315

http://doi.org/10.1631/FITEE.2300074


A novel topology with controllablewideband baseband impedance for power amplifiers


Author(s):  Yao YAO, Zhijiang DAI, Mingyu LI

Affiliation(s):  School of Intelligent Technology and Engineering, Chongqing University of Science and Technology, Chongqing 400065, China; more

Corresponding email(s):   daizj_ok@126.com

Key Words:  Baseband impedance, Concurrent dual-band, Power amplifier


Yao YAO, Zhijiang DAI, Mingyu LI. A novel topology with controllablewideband baseband impedance for power amplifiers[J]. Frontiers of Information Technology & Electronic Engineering, 2024, 25(2): 308-315.

@article{title="A novel topology with controllablewideband baseband impedance for power amplifiers",
author="Yao YAO, Zhijiang DAI, Mingyu LI",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="25",
number="2",
pages="308-315",
year="2024",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2300074"
}

%0 Journal Article
%T A novel topology with controllablewideband baseband impedance for power amplifiers
%A Yao YAO
%A Zhijiang DAI
%A Mingyu LI
%J Frontiers of Information Technology & Electronic Engineering
%V 25
%N 2
%P 308-315
%@ 2095-9184
%D 2024
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2300074

TY - JOUR
T1 - A novel topology with controllablewideband baseband impedance for power amplifiers
A1 - Yao YAO
A1 - Zhijiang DAI
A1 - Mingyu LI
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 25
IS - 2
SP - 308
EP - 315
%@ 2095-9184
Y1 - 2024
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2300074


Abstract: 
This paper presents a novel topology to control the baseband impedance of a power amplifier (PA) to avoid performance deterioration in concurrent dual-band mode. This topology can avoid pure resonance of capacitors and inductors LC, which leads to a high impedance at some frequency points. Consequently, it can be applied to transmitters that are excited by broadband signals. In particular, by adjusting the circuit parameters and increasing stages, the impedance of the key frequency bands can be flexibly controlled. A PA is designed to support this design idea. Its saturated output power is around 46.7 dBm, and the drain efficiency is >68.2% (1.8–2.3 GHz). Under concurrent two-tone excitation, the drain efficiency reaches around 40% even under 5.5 dB back-off power with the tone spacing from 10 MHz to 500 MHz. These results demonstrate that the proposed topology is capable of controlling wideband baseband impedance.

一种可以控制功放的宽带基带阻抗的新型拓扑结构

姚瑶1,代志江2,李明玉2
1重庆科技大学智能技术与工程学院,中国重庆市,400065
2重庆大学微电子与通信工程学院,中国重庆市,400065
摘要:本文提出一种新的拓扑结构控制功率放大器(PA)的基带阻抗,以避免在并发双频带模式下性能下降。传统基带阻抗控制通过纯LC网络实现,但局部频点发生谐振后会呈现高阻抗,不能实现连续宽频带基带阻抗控制。本文所提出的结构可以有效避免这一问题,该拓扑结构可以应用于具有宽带信号激励的发射机架构。特别地,通过调整电路参数和增加电路的阶数,可以灵活控制关键频带的阻抗。为证实这一设计思想,设计了一个功率放大器:其饱和输出功率约为46.7 dBm,漏极效率超过68.2%(1.8–2.3 GHz)。在同时双音激励下,即使在5.5 dB的回退功率下,两个频点间距从10至500 MHz,漏极效率也达到40%左右。这些结果表明,所提出的拓扑结构能有效控制宽带的基带阻抗。

关键词:基带阻抗;并发双带;功率放大器

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1]Barros DR, Nunes LC, Cabral PM, et al., 2019. Impact of the input baseband terminations on the efficiency of wideband power amplifiers under concurrent band operation. IEEE Trans Microw Theory Techn, 67(12):5127-5138.

[2]Brinkhoff J, Parker AE, 2003. Effect of baseband impedance on FET intermodulation. IEEE Trans Microw Theory Techn, 51(3):1045-1051.

[3]Brinkhoff J, Parker AE, Leung M, 2003. Baseband impedance and linearization of FET circuits. IEEE Trans Microw Theory Techn, 51(12):2523-2530.

[4]Chen XF, Chen WH, Ghannouchi FM, et al., 2013. Enhanced analysis and design method of concurrent dual-band power amplifiers with intermodulation impedance tuning. IEEE Trans Microw Theory Techn, 61(12):4544-4558.

[5]Cui J, Li PP, Sheng WX, 2023. High linearity U-band power amplifier design: a novel intermodulation point analysis method. Front Inform Technol Electron Eng, 24(1):176-186.

[6]Feng WJ, Wu WB, Zhou XY, et al., 2022. Broadband high-efficiency quasi-class-J power amplifier based on nonlinear output capacitance effect. IEEE Trans Circ Syst II Expr Briefs, 69(4):2091-2095.

[7]Kilinc S, Yarman BS, Ozoguz S, 2022. Broadband power amplifier design via fictitious matching. IEEE Trans Circ Syst II Expr Briefs, 69(12):4844-4848.

[8]Latha YMA, Rawat K, 2022. Design of ultra-wideband power amplifier based on extended resistive continuous class B/J mode. IEEE Trans Circ Syst II Expr Briefs, 69(2):419-423.

[9]Li C, You F, He SB, et al., 2019. High-efficiency power amplifier employing minimum-power harmonic active load modulator. IEEE Trans Circ Syst II Expr Briefs, 66(8):1371-1375.

[10]Li M, Li ZQ, Zheng Q, et al., 2022. A 17–26.5 GHz 42.5 dBm broadband and highly efficient gallium nitride power amplifier design. Front Inform Technol Electron Eng, 23(2):346-350.

[11]Liu X, Lv GS, Wang DH, et al., 2020. Energy-efficient power amplifiers and linearization techniques for massive MIMO transmitters: a review. Front Inform Technol Electron Eng, 21(1):72-96.

[12]Nunes LC, Barros DR, Cabral PM, et al., 2018. Efficiency degradation analysis in wideband power amplifiers. IEEE Trans Microw Theory Techn, 66(12):5640-5651.

[13]Sheikhi A, Hemesi H, 2022. Analysis and design of the novel class-F/E power amplifier with series output filter. IEEE Trans Circ Syst II Expr Briefs, 69(3):779-783.

[14]Wing O, 2008. Classical Circuit Theory. Springer, New York, USA.

[15]Zhu N, McLaren R, Holmes DG, et al., 2017. An integrated RF match and baseband termination supporting 395 MHz instantaneous bandwidth for high power amplifier applications. Proc IEEE MTT-S Int Microwave Symp, p.1114-1117.

Open peer comments: Debate/Discuss/Question/Opinion

<1>

Please provide your name, email address and a comment





Journal of Zhejiang University-SCIENCE, 38 Zheda Road, Hangzhou 310027, China
Tel: +86-571-87952783; E-mail: cjzhang@zju.edu.cn
Copyright © 2000 - 2024 Journal of Zhejiang University-SCIENCE