Ultra-Miniaturized Wilkinson Power Divider with Harmonics Suppression for Wireless Applications

Imani, Mohammad Amin; Shama, Farzin; Alirezapoori, Mohsen; Haghiri, Saeed; Ghadrdan, Abbas

doi:10.1080/09205071.2019.1653230

Cited by 8 publications

(1 citation statement)

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“…The presented design is very compact and easy to create, but it has limited bandwidth. Harmonic suppression by integrating power dividers with resonators has been presented in [16], [17], [18], [19], [20], [21], [22], [23]. Proposed designs use resonators such as patches, rings, triangular, and defect-shaped resonators.…”

Section: Introductionmentioning

confidence: 99%

A Wideband RF Power Divider With Ultra-Wide Harmonics Suppression

Abbas,

Maqsood,

Shoaib

et al. 2023

IEEE J. Microw.

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This article reports a wide-band power divider with ultra-wide harmonic suppression. The filtering power divider consists of a Wilkinson power divider and a filter merged into a single structure. For filtering purposes, a novel suppressor cell is designed using resonators of various shapes. The power divider exhibits an operational frequency of 1.64 GHz, encompassing a fractional bandwidth (FBW) of 57 percent, ranging from 1.151 GHz to 2.08 GHz. Notably, it effectively suppresses a total of 24 harmonics, attaining a rejection level exceeding −15 dB. The measured in-band isolation, input return loss, insertion loss, and output return loss are determined at 1.64 GHz to be −23 dB, −36 dB, −3.03 dB, and −18 dB, respectively. These results showcase the superior performance of the proposed design compared to existing state-of-the-art solutions.INDEX TERMS Harmonic suppression, power divider, low pass filter, wide operating band, ultrawide stopband.

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