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Design of dual-band Wilkinson power divider based on novel stubs using PSO algorithm

Published online by Cambridge University Press:  28 February 2023

Seyed Abed Zonouri ,
Mohsen Hayati Open the ORCID record for Mohsen Hayati [Opens in a new window]  and
Mehran Bahrambeigi
Seyed Abed Zonouri
Affiliation:
Department of Electrical Engineering, Faculty of Engineering, Razi University, Kermanshah 67149, Iran
Mohsen Hayati*
Affiliation:
Department of Electrical Engineering, Faculty of Engineering, Razi University, Kermanshah 67149, Iran
Mehran Bahrambeigi
Affiliation:
Department of Electrical Engineering, Faculty of Engineering, Razi University, Kermanshah 67149, Iran
*
Author for correspondence: Mohsen Hayati, E-mail: [email protected]
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Abstract

In this paper, a new dual-band Wilkinson power divider (WPD) is designed and fabricated using novel low and high impedance stubs instead of quarter-wavelength transmission lines. The proposed circuit was analyzed using odd and even mode analysis, and the optimal values of design parameters were obtained using the particle swarm optimization algorithm. The designed power divider has input reflection coefficients (S11) of −22.1 and −17 dB at the first operating frequency of 2.2 GHz and the second operating frequency of 14.2 GHz, respectively. It also improves stop-band and fractional bandwidth (FBW) while maintaining a simple topology. The proposed WPD suppresses undesired harmonics from the second to the fifth with an attenuation level of less than −20 dB in the first band and generates a broad stop-band (4.4–11.5 GHz). In the first band, the FBW is 54.5%, and in the second band, it is 20.1%.

Keywords

Dual-bandlow and high impedance stubPSO algorithmrectangular-shaped resonatorsWilkinson power divider
Type
Passive Components and Circuits
Information
International Journal of Microwave and Wireless Technologies , Volume 15 , Issue 9 , November 2023 , pp. 1495 - 1506
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Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press in association with the European Microwave Association

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