Compact Second-Order Bandstop Filter Based on Dual-Mode Complementary Split-Ring Resonator

Ebrahimi, A, Withayachumnankul, W, Al-Sarawi, S and Abbott, D 2016, 'Compact Second-Order Bandstop Filter Based on Dual-Mode Complementary Split-Ring Resonator', IEEE Microwave and Wireless Components Letters, vol. 26, no. 8, pp. 571-573.


Document type: Journal Article
Collection: Journal Articles

Title Compact Second-Order Bandstop Filter Based on Dual-Mode Complementary Split-Ring Resonator
Author(s) Ebrahimi, A
Withayachumnankul, W
Al-Sarawi, S
Abbott, D
Year 2016
Journal name IEEE Microwave and Wireless Components Letters
Volume number 26
Issue number 8
Start page 571
End page 573
Total pages 3
Publisher IEEE
Abstract A compact dual-mode bandstop filter is presented in this letter. Froman 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 0.1 lambda(g) x 0.18 lambda(g), where lambda(g) defines the guided-wave wavelength. An experimental validation at the center frequency f(0) of 2 GHz shows that the proposed filter can extend the harmonic-free upper passband up to 4.2 f(0).
Subject Electrical and Electronic Engineering not elsewhere classified
Circuits and Systems
Keyword(s) Bandstop filter
complementary split-ring resonator (CSRR)
dual-mode filter
second-order filter
DOI - identifier 10.1109/LMWC.2016.2585544
Copyright notice © 2016 IEEE
ISSN 1531-1309
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