학술논문
A Wideband RF Power Divider With Ultra-Wide Harmonics Suppression
Document Type
Periodical
Author
Source
IEEE Journal of Microwaves IEEE J. Microw. Microwaves, IEEE Journal of. 3(4):1248-1257 Oct, 2023
Subject
Language
ISSN
2692-8388
Abstract
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.