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Wideband out-of-phase power dividers with improved isolation performance

Published online by Cambridge University Press:  19 March 2019

Kaijun Song ,
Fei Xia Open the ORCID record for Fei Xia [Opens in a new window] ,
Yuxuan Chen ,
Yu Zhu ,
Jiawei Li  and
Yong Fan
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
Yuxuan Chen
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu, 611731, China
Yu Zhu
Affiliation:
EHF Key Laboratory of Science, University of Electronic Science and Technology of China, Chengdu, 611731, China
Jiawei Li
Affiliation:
Department of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, 230027, China
Yong 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 wideband out-of-phase power divider (PD) with improved isolation performance is proposed. This divider is formed by connecting an additional stub for isolation to output ports of a traditional Marchand balun with a defected ground structure (DGS) been used. To verify the design, a prototype divider is fabricated and tested. The measured results validate the 53.86% band-width centered at 3.43 GHz with more than 15 dB return loss at all ports, more than 17 dB isolation, respectively.

Keywords

Improved isolationout-of-phasepower dividerWideband
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 8 , October 2019 , pp. 761 - 764
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019 

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