Design of a Quadrature Hybrid Coupler with Triple Tapered Resonators

This paper presents a novel approach to designing a Quadrature Hybrid Coupler (QHC) utilizing Triple Tapered Resonators (TTR) to achieve harmonic suppression. In this case, triple-tapered resonators are effectively integrated into the horizontal and vertical main branches of the conventional coupler...

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Bibliographic Details
Main Authors: Lotfi, Saeedeh, Mohamadpour, Golshan, Karimi, Salman, Blecha, Tomas
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Communication systems
Couplers
Harmonic Suppression
Harmonics suppression
Interference
Microstrip
Quadrature Hybrid Coupler (QHC)
Resonant frequency
Seminars
Tapered Resonators
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Summary:This paper presents a novel approach to designing a Quadrature Hybrid Coupler (QHC) utilizing Triple Tapered Resonators (TTR) to achieve harmonic suppression. In this case, triple-tapered resonators are effectively integrated into the horizontal and vertical main branches of the conventional coupler, leading to modifying the structure of the main branches. The triple-tapered resonators play a crucial role in suppressing harmonics and enhancing the coupler performance. The presented QHC operates at 2 GHz frequency with a bandwidth of 230 MHz and effectively can suppress 2 nd , 3 rd , 4 th , and 5 th harmonics. The outcomes of this research highlight the effectiveness of triple-tapered resonators in achieving successful harmonics suppression. The presented design offers promising features for application in efficient communication systems, where harmonic interference is a critical consideration.
ISSN:2161-2536
DOI:10.1109/ISSE61612.2024.10603602