Abstract:
In this article, a coupling-path reconfigurable quadrature coupler is proposed with a wide tuning range of frequencies and power division ratios, which consists of three ...Show MoreMetadata
Abstract:
In this article, a coupling-path reconfigurable quadrature coupler is proposed with a wide tuning range of frequencies and power division ratios, which consists of three pairs of varactors and eight transmission lines. By analyzing the admittance matrices of the proposed coupler, the constraint conditions for both forward coupling (FWCP) and backward coupling (BWCP) can be established. Then, through selecting suitable circuit parameters (characteristic impedances, lumped elements, varactors, and so on), a wide range of tunable frequencies and power division ratios can be realized for both FWCP and BWCP paths, respectively. Finally, a prototype is fabricated and measured for verification. The measured results show that the proposed coupler can realize a wide tuning range of frequencies from 0.8 to 1.5 GHz (0.9–1.5 GHz), and a large tuning range of the power division ratios from −10.2 to −0.7 dB (−20.3 to 19.3 dB) in the FWCP (BWCP) path. Excellent agreement is obtained among the results of circuit simulation, electromagnetic (EM) simulation, and measurement, it not only demonstrates that the proposed quadrature coupler features a simple topology, reconfigurable coupling path, and wide tuning range of frequencies and power division ratios, but also confirms the effectiveness of the applied constraint conditions.
Published in: IEEE Transactions on Microwave Theory and Techniques ( Volume: 72, Issue: 6, June 2024)
Funding Agency:
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun, China
Shuo Yang (Graduate Student Member, IEEE) received the B.S. and M.S. degrees from the College of Electronic Science and Engineering, Jilin University, Changchun, China, in 2017 and 2020, respectively, where she is currently pursuing the Ph.D. degree.
Her current research interests include analysis and design of microwave passive and tunable devices.
Shuo Yang (Graduate Student Member, IEEE) received the B.S. and M.S. degrees from the College of Electronic Science and Engineering, Jilin University, Changchun, China, in 2017 and 2020, respectively, where she is currently pursuing the Ph.D. degree.
Her current research interests include analysis and design of microwave passive and tunable devices.View more
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun, China
Xiaolong Wang (Member, IEEE) received the B.S. degree in communication engineering from Jilin University, Changchun, China, in 2005, the M.S. degree from Changchun University of Science and Technology, Changchun, in 2008, and the Ph.D. degree from University of Toyama, Toyama, Japan, in 2012.
From November 2012 to June 2013, he was a Post-Doctoral Research Associate with the Art, Science and Technology Center for Cooperati...Show More
Xiaolong Wang (Member, IEEE) received the B.S. degree in communication engineering from Jilin University, Changchun, China, in 2005, the M.S. degree from Changchun University of Science and Technology, Changchun, in 2008, and the Ph.D. degree from University of Toyama, Toyama, Japan, in 2012.
From November 2012 to June 2013, he was a Post-Doctoral Research Associate with the Art, Science and Technology Center for Cooperati...View more
Manufacturing, Commonwealth Scientific and Industrial Research Organization (CSIRO), Lindfield, NSW, Australia
He Zhu (Member, IEEE) received the bachelor’s and master’s degrees from the South China University of Technology, Guangzhou, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical engineering from the School of ITEE, University of Queensland, Brisbane, Australia, in 2017.
Since July of 2017, he started to work with the Global Big Data Technologies Centre (GBDTC), University of Technology Sydney (UTS), Ul...Show More
He Zhu (Member, IEEE) received the bachelor’s and master’s degrees from the South China University of Technology, Guangzhou, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical engineering from the School of ITEE, University of Queensland, Brisbane, Australia, in 2017.
Since July of 2017, he started to work with the Global Big Data Technologies Centre (GBDTC), University of Technology Sydney (UTS), Ul...View more
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun, China
Geyu Lu received the B.Sc. degree in electronic sciences and the M.S. degree from Jilin University, Changchun, China, in 1985 and 1988, respectively, and the Dr.Eng. degree from Kyushu University, Fukuoka, Japan, in 1998.
He is currently a Professor at Jilin University. His current research interests include the development of chemical sensors and the application of function materials.
Geyu Lu received the B.Sc. degree in electronic sciences and the M.S. degree from Jilin University, Changchun, China, in 1985 and 1988, respectively, and the Dr.Eng. degree from Kyushu University, Fukuoka, Japan, in 1998.
He is currently a Professor at Jilin University. His current research interests include the development of chemical sensors and the application of function materials.View more
Contents State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun, China
Shuo Yang (Graduate Student Member, IEEE) received the B.S. and M.S. degrees from the College of Electronic Science and Engineering, Jilin University, Changchun, China, in 2017 and 2020, respectively, where she is currently pursuing the Ph.D. degree.
Her current research interests include analysis and design of microwave passive and tunable devices.
Shuo Yang (Graduate Student Member, IEEE) received the B.S. and M.S. degrees from the College of Electronic Science and Engineering, Jilin University, Changchun, China, in 2017 and 2020, respectively, where she is currently pursuing the Ph.D. degree.
Her current research interests include analysis and design of microwave passive and tunable devices.View more
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun, China
Xiaolong Wang (Member, IEEE) received the B.S. degree in communication engineering from Jilin University, Changchun, China, in 2005, the M.S. degree from Changchun University of Science and Technology, Changchun, in 2008, and the Ph.D. degree from University of Toyama, Toyama, Japan, in 2012.
From November 2012 to June 2013, he was a Post-Doctoral Research Associate with the Art, Science and Technology Center for Cooperative Research, Kyushu University, Fukuoka, Japan. From July 2013 to December 2015, he was a Researcher with the Plasma Research Center, University of Tsukuba, Tsukuba, Japan. Since January 2016, he has been an Assistant Professor with Department of Electronic Engineering, Saitama University, Saitama, Japan. He is currently a Professor with the College of Electronic Science and Engineering, Jilin University. His research interests include microwave/millimeter-wave system design, passive component design, and optimization techniques.
Dr. Wang is a member of the Institute of Electronics, Information and Communication Engineers (IEICE), Japan. He was the recipient of the IEEE MTT-S Japan Chapter Young Engineer Award in 2013.
Xiaolong Wang (Member, IEEE) received the B.S. degree in communication engineering from Jilin University, Changchun, China, in 2005, the M.S. degree from Changchun University of Science and Technology, Changchun, in 2008, and the Ph.D. degree from University of Toyama, Toyama, Japan, in 2012.
From November 2012 to June 2013, he was a Post-Doctoral Research Associate with the Art, Science and Technology Center for Cooperative Research, Kyushu University, Fukuoka, Japan. From July 2013 to December 2015, he was a Researcher with the Plasma Research Center, University of Tsukuba, Tsukuba, Japan. Since January 2016, he has been an Assistant Professor with Department of Electronic Engineering, Saitama University, Saitama, Japan. He is currently a Professor with the College of Electronic Science and Engineering, Jilin University. His research interests include microwave/millimeter-wave system design, passive component design, and optimization techniques.
Dr. Wang is a member of the Institute of Electronics, Information and Communication Engineers (IEICE), Japan. He was the recipient of the IEEE MTT-S Japan Chapter Young Engineer Award in 2013.View more
Manufacturing, Commonwealth Scientific and Industrial Research Organization (CSIRO), Lindfield, NSW, Australia
He Zhu (Member, IEEE) received the bachelor’s and master’s degrees from the South China University of Technology, Guangzhou, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical engineering from the School of ITEE, University of Queensland, Brisbane, Australia, in 2017.
Since July of 2017, he started to work with the Global Big Data Technologies Centre (GBDTC), University of Technology Sydney (UTS), Ultimo, NSW, Australia, as a Post-Doctoral Research Associate and then a Chancellor’s Research Fellow. In April of 2023, he joined the Manufacturing, Commonwealth Scientific and Industrial Research Organization (CSIRO), Lindfield, NSW, as an IWY-Research Scientist. His research interests include the development of passive and tunable microwave and mm-wave devices, radio frequency integrated circuits and systems, and beam-forming networks for antenna arrays.
Dr. Zhu received the Outstanding Master Thesis Award of Guangdong Province, China, in 2015, and the Dean’s Award for Outstanding HDR Thesis from the University of Queensland in 2018. He is one of the recipients of the Chancellor’s Research Fellowship (CRF) from University of Technology Sydney in 2022. He is also selected as an IWY-researcher via the Impossible Without You (IWY) campaign and the Future Science Platform (FSP) from CSIRO in 2023.
He Zhu (Member, IEEE) received the bachelor’s and master’s degrees from the South China University of Technology, Guangzhou, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical engineering from the School of ITEE, University of Queensland, Brisbane, Australia, in 2017.
Since July of 2017, he started to work with the Global Big Data Technologies Centre (GBDTC), University of Technology Sydney (UTS), Ultimo, NSW, Australia, as a Post-Doctoral Research Associate and then a Chancellor’s Research Fellow. In April of 2023, he joined the Manufacturing, Commonwealth Scientific and Industrial Research Organization (CSIRO), Lindfield, NSW, as an IWY-Research Scientist. His research interests include the development of passive and tunable microwave and mm-wave devices, radio frequency integrated circuits and systems, and beam-forming networks for antenna arrays.
Dr. Zhu received the Outstanding Master Thesis Award of Guangdong Province, China, in 2015, and the Dean’s Award for Outstanding HDR Thesis from the University of Queensland in 2018. He is one of the recipients of the Chancellor’s Research Fellowship (CRF) from University of Technology Sydney in 2022. He is also selected as an IWY-researcher via the Impossible Without You (IWY) campaign and the Future Science Platform (FSP) from CSIRO in 2023.View more
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, International Center of Future Science, Jilin University, Changchun, China
Geyu Lu received the B.Sc. degree in electronic sciences and the M.S. degree from Jilin University, Changchun, China, in 1985 and 1988, respectively, and the Dr.Eng. degree from Kyushu University, Fukuoka, Japan, in 1998.
He is currently a Professor at Jilin University. His current research interests include the development of chemical sensors and the application of function materials.
Geyu Lu received the B.Sc. degree in electronic sciences and the M.S. degree from Jilin University, Changchun, China, in 1985 and 1988, respectively, and the Dr.Eng. degree from Kyushu University, Fukuoka, Japan, in 1998.
He is currently a Professor at Jilin University. His current research interests include the development of chemical sensors and the application of function materials.View more
