Dual-Mode Stepped-Impedance Resonator with High Signal Suppression

A dual-mode stepped-impedance resonator with noise elimination is presented in this paper. The dual-mode resonator is designed as a meander input/output coupling port and still has a compact circuit structure. This circuit structure can also have a good passband in the operating frequency and elimin...

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Bibliographic Details
Main Authors: Thitimahatthanakusol, Phatsakul, Intarawiset, Nattapong, Konpang, Jessada
Format: Conference Proceeding
Language:English
Subjects:
Couplings
Feeds
Insertion loss
Interference
meander line
Passband
Reflection
Resonant frequency
small circuit
stepped-impedance
upper stopband rejection
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Summary:A dual-mode stepped-impedance resonator with noise elimination is presented in this paper. The dual-mode resonator is designed as a meander input/output coupling port and still has a compact circuit structure. This circuit structure can also have a good passband in the operating frequency and eliminate interference from the required band. The operating response of the resonator circuit at a central frequency is 2.1 GHz. The passband of the proposed resonator has a loss of insertion at 0.52 dB and a loss of reflection at 30 dB. The frequency range of 2.5 to 5.5 GHz is suppressed by increasing the folded input/output feed, resulting in a 20 dB rejection.
ISSN:2159-3450
DOI:10.1109/TENCON58879.2023.10322448