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Compact bandpass-filtering response power divider with high-frequency selectivity and high isolation

Published online by Cambridge University Press:  08 March 2019

Jiawei Li ,
Kaijun Song ,
Fei Xia Open the ORCID record for Fei Xia [Opens in a new window] ,
Shema Richard Patience ,
Song Guo Open the ORCID record for Song Guo [Opens in a new window]  and
Maoyu Fan
Jiawei Li
Affiliation:
Department of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei 230027, China
Kaijun Song*
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu 611731, China
Fei Xia
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu 611731, China
Shema Richard Patience
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu 611731, China
Song Guo
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu 611731, China
Maoyu Fan
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu 611731, China
*
Author for correspondence: Kaijun Song, E-mail: ksong@uestc.edu.cn
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Abstract

A compact high-isolation power divider with bandpass response and high-frequency selectivity is presented in this letter. Two dual-mode resonators are used to realize filtering response. The circuit size of the proposed power divider can be reduced by using dual-mode capacitance loaded square meander loop resonators. Due to capacitive load, the resonator can exhibit slow-wave characteristics, which can be utilized to suppress harmonics and reduce size. The simulated and measured results show reasonable agreement.

Keywords

Dual-mode resonatorfiltering power dividerfrequency selectivitywide stopband
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 8 , October 2019 , pp. 755 - 760
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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