Volume 64, Issue 5 pp. 853-857
RESEARCH ARTICLE

A dual-band Wilkinson power divider based on open-end slotline

Zehui Chen

Zehui Chen

College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

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Yongjiu Zhao

Corresponding Author

Yongjiu Zhao

College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

Correspondence

Yongjiu Zhao, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China.

Email: [email protected]

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Chao Liu

Chao Liu

College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

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Wenjun Qi

Wenjun Qi

College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

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Du Chen

Du Chen

College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

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Qinmeng Ji

Qinmeng Ji

College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

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First published: 31 August 2021

Abstract

A dual-band Wilkinson power divider (WPD) based on open-end slotline is presented. Compared with conventional dual-band power dividers, only two transmission lines and a longitudinal slot with an isolation resistor are employed, which greatly decrease the complexity and profile of the device. The open-end slotline physically separate even- and odd-mode, as the microstrip on the top layer transmits even-mode signal and the slotline on the bottom layer transmits the other. Then, even- and odd-mode analyses are conducted with an equivalent circuit model to illustrate the physical insight of the proposed design. A WPD prototype operating at 2.4 and 5.8 GHz is designed and fabricated. The fractional bandwidth of two operating band are 66.7% and 20.7% with the reference to −15 dB S11.

DATA AVAILABILITY STATEMENT

Data sharing not applicable to this article as no datasets were generated or analysed during the current study.

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