招生专业

个人简介

徐金旭，国自然青年基金B类获得者、中国科协“青托”、广东省青年拔尖人才，获得悉尼科技大学和华南理工大学双博士学位，获得中国电子学会优秀博士学位论文。主要从事微波毫米波电路与子系统方面的研究工作，实现了部分成果转化；发表SCI/EI论文90余篇，其中包括第一/通讯作者的IEEE Trans.期刊论文20余篇；获得中国发明专利授权40余项，美国专利授权4项；作为参与成员获得2020年度广东省技术发明一等奖、2023年度广东省科技进步二等奖、2024年粤港澳大湾区博士博士后创新创业大赛银奖等；获得2016年IEEE IMWS-AMP及2019年ICMMT国际会议论文奖；担任SCI期刊IET Circuits, Devices and Systems副编辑以及国内期刊《微波学报》首届青年编委等。主持了国家自然科学基金、重点研发计划任务(子课题)等项目。

Jin-Xu Xu, recipient of the National Natural Science Foundation of China Young Scientists Fund (Class B), the Young Talent Support Project of China Association for Science and Technology, and the Guangdong Province Young Talent Project. He received a Dual-Doctoral degree from the University of Technology Sydney and South China University of Technology, and received the Excellent Doctoral Dissertation of Chinese Institute of Electronics. His research fields include microwave and millimeter-wave circuits and subsystems. Some of his works have been used in industrial applications. He has authored/co-authored more than 90 internationally referred journal/conference articles, among which more than 20 papers are published as the first/corresponding author in IEEE Transactions journals. He is a co-inventor of 40 granted Chinese patents and 4 granted U.S. patents. As a participant, he received the First Prize of the 2020 Guangdong Provincial Technological Invention Award, the Second Prize of the 2023 Guangdong Provincial Science and Technology Progress Award, Silver Award of the 2024 Guangdong-Hong Kong-Macao Greater Bay Area Doctoral and Postdoctoral Innovation and Entrepreneurship Competition. He was also a recipient of the Best Student Paper Awards presented at the IEEE IMWS-AMP in 2016 and the ICMMT in 2019. He serves as the Associate Editor of IET Circuits, Devices and Systems and the Youth Editorial Board Member of the Journal of Microwaves. He was supported by several projects, including the National Natural Science Foundation of China and the task of National Key Research and Development Program.

研究方向

射频电路，微波毫米波芯片与系统

学术任职

1.IEEE Guangzhou Young Professionals Group, 主席

2.IEEE Guangzhou AP/MTT Chapter, 主席（2025年）

3.广东省天线与射频技术工程技术研究中心，副主任

4.期刊编委：《微波学报》青年编委；SCI期刊IET Circuits, Devices & Systems副编辑(Associate Editor)

科研项目

1.国家自然科学基金青年基金B类，主持

2.国家自然科学基金面上项目，主持

3.国家自然科学基金青年基金C类，主持

4.国家重点研发计划任务(子课题)，主持

代表性科研成果

[1]J. Zhang, M. Sun, J.-X. Xu*, X. Yao, S. Zhang, X. Ou, and X. Y. Zhang, “Compact wideband high-selectivity bandpass filter based on hybrid design of quasi-lumped-element filtering network and LiNbO3/SiC SAW resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 73, no. 10, pp. 7884-7894, Oct. 2025.

[2]C. Huang, H. Guan, J. Liu, J.-X. Xu*, J. Zhang, and X. Y. Zhang, “Synthesis of wideband high-selectivity bandpass filter based on tri-mode lumped-element resonators in heterogeneous LTCC substrate,” IEEE Transactions on Microwave Theory and Techniques, Accepted, 2025.

[3]H-Y. Li, J.-X. Xu*, and X. Y. Zhang, “Compact on-chip mm-wave reconfigurable wideband filtering switch in 28-nm bulk CMOS for integrated sensing and communication system applications,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 72, no. 1, pp. 125-134, Jan. 2025.

[4]P. Zhang#, S. Zhang#, J.-X. Xu#, X. Fang, Y. Chen, K. Huang, D. Sui, X. Y. Zhang, X. Ou, “Miniaturized dual-mode SAW filters using 6-inch LiNbQ3-on-SiC for 5G NR and WiFi 6”, 2023 IEEE International Electron Devices Meeting (IEDM), 2023.

[5]J.-X. Xu, H. Chen, W. Chen, and X. Y. Zhang, “Broadband Doherty power amplifier using short ended λ/4 transmission lines based on the analysis of negative characteristic impedance,” IEEE Trans. Circuits and Systems I - Regular Papers, vol. 70, no. 2, pp. 545-555, Feb. 2023. 

[6]J.-X. Xu and X. Y. Zhang, Dual-channel dielectric resonator filter and its application to Doherty power amplifier for 5G massive MIMO system, IEEE Transactions on Microwave Theory and Techniques, vol. 66, no. 7, pp. 3297-3305, July 2018.

[7]J. Zhang, J.-X. Xu*, C. Yao, and X. Y. Zhang, “Miniaturized high-selectivity high-resistivity-silicon IPD bandpass filter based on multiple transmission paths,” IEEE Electron Device Letters, early access, 2024.

[8]W. Zeng, L. Gao, N-Z. Sun, H.-Y. Li, J.-X. Xu, H. Xu, Q. Xue, and X. Y. Zhang, “A compact 19.7- to 43.8-GHz power amplifier with 20.3-dBm Psat and 35.5% PAE in 28-nm bulk CMOS,” IEEE Journal of Solid-State Circuits, early access, 2024.

[9]H.-T. Lin, L. Gao, H.-Y. Li, J.-X. Xu, and X. Y. Zhang, “A 23.6-46.5 GHz LNA with 3 dB NF and 24 dB gain tuning range in 28-nm CMOS technology,” IEEE Trans. Circuits and Systems I - Regular Papers, early access, 2023.

[10]J.-X. Xu, X. Y. Zhang, H.-Y. Li, Y. Yang, E. Dutkiewicz, and Q. Xue, “Ultra-compact multi-channel bandpass filter based on tri-mode dielectric-loaded cavities,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 5, pp. 1668-1677, Mar. 2020.

[11]J.-X. Xu, L. Yang, Y. Yang, and X. Y. Zhang, High-Q-factor tunable bandpass filter with constant absolute bandwidth and wide tuning range based on coaxial resonators, IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 10, pp. 4186-4195, Oct. 2019.

[12]J.-X. Xu, H.-Y. Li, X. Y. Zhang, Y. Yang, Q. Xue and E. Dutkiewicz, Compact dual-channel balanced filter and balun filter based on quad-mode dielectric resonator, IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 11, pp. 4636-4644, Feb. 2019.

[13 J.-X. Xu and X. Y. Zhang, Compact High-Isolation LTCC Diplexer Using Common Stub-Loaded Resonator With Controllable Frequencies and Bandwidths, IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 11, pp. 4636-4644, Nov. 2017.

[14]J.-X. Xu, X. Y. Zhang and H.-Y. Li, Compact narrow-band filtering rat-race coupler using quad-mode dielectric resonator, IEEE Transactions on Microwave Theory and Techniques, vol. 66, no. 9, pp. 4029-4039, Aug. 2018. 

[15]J.-X. Xu, M. Huang, W.-L. Zhan, and X. Y. Zhang, “Reconfigurable filtering power divider with arbitrary operating channels based on external quality factor control,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 11, pp. 4395-4403, Nov. 2022.

[16]J.-X. Xu and X. Y. Zhang, Single- and Dual-Band LTCC Filtering Switch With High Isolation Based on Coupling Control, IEEE Transactions on Industrial Electronics, vol. 64, no. 4, pp. 3137-3146, April 2017.

[17]H.-Y. Li, J.-X. Xu*, and X. Y. Zhang, “Substrate integrated waveguide filtering rat-race coupler based on orthogonal degenerate modes,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 1, pp. 140-150, Jan. 2019.

[18]H.-Y. Li, J.-X. Xu*, Y. Yang, and X. Y. Zhang, “Novel switchable filtering circuit with function reconfigurability between SPQT filtering switch and four-way filtering power divider,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 3, pp. 867-876, Mar. 2020. 

[19]X. Y. Zhang, J.-X. Xu and J. X. Chen, High-Power Filtering Switch With Low Loss and High Isolation Based on Dielectric Resonator, IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 6, pp. 2101-2110, June 2017.

[20]H. Chen, J.-X. Xu, and X. Y. Zhang, “Miniaturized broadband Doherty power amplifier using simplified output matching topology,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 8, pp. 3083-3092, Aug. 2022.