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Type: Journal article
Title: Compact second-order bandstop filter based on dual-mode complementary split-ring resonator
Author: Ebrahimi, A.
Withayachumnankul, W.
Al-Sarawi, S.
Abbott, D.
Citation: IEEE Microwave and Wireless Components Letters, 2016; 26(8):571-573
Publisher: IEEE
Issue Date: 2016
ISSN: 1531-1309
Statement of
Amir Ebrahimi, Withawat Withayachumnankul, Said F. Al-Sarawi
Abstract: A compact dual-mode bandstop filter is presented in this letter. From an equivalent circuit viewpoint, a second-order response is obtained by designing a two-pole notch filter with inductive coupling. This equivalent circuit is then implemented by using a dual-mode complementary-split-ring resonator. The proposed bandstop filter prototype has dimensions of 0.1λg × 0.18λg, where λg defines the guided-wave wavelength. An experimental validation at the center frequency f₀ of 2 GHz shows that the proposed filter can extend the harmonic-free upper passband up to 4.2f₀.
Keywords: Bandstop filter; complementary split-ring resonator (CSRR); dual-mode filter; second-order filter
Rights: © 2016 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.
RMID: 0030051967
DOI: 10.1109/LMWC.2016.2585544
Appears in Collections:Electrical and Electronic Engineering publications

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