A miniaturized modified T-shaped Gysel power divider

Mohsen Eghballkhah, Mohsen Hayati, Farzin Shama and Hamed Abbasi

Journal of Electromagnetic Waves and Applications, 2025, vol. 39, issue 16, 1956-1968

Abstract: In this paper, a miniaturized Gysel power divider (GPD) with sixth harmonic suppression is presented. To weaken unwanted harmonics, radial and modified T-shaped resonators replace the quarter-wavelength transmission lines of the conventional GPD. The circuit of the power divider is analyzed using the odd and even mode method. The presented Gysel power divider operates at a center frequency of 1 GHz with a reduced circuit size. The designed power divider is fabricated and measured, showing significant suppression of the second harmonic by −48 dB. The overall circuit size is 20.17 mm × 31.26 mm, equivalent to 0.10λg × 0.15λg.

Date: 2025
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DOI: 10.1080/09205071.2025.2532030

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