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|Title:||Compact dual-mode wideband filter based on complementary split-ring resonator|
|Citation:||IEEE Microwave & Wireless Components Letters, 2014; 24(3):152-154|
|Amir Ebrahimi, Withawat Withayachumnankul, Said F. Al-Sarawi, and Derek Abbott|
|Abstract:||This letter proposes a microstrip filter based on a dual-mode complementary split-ring resonator (DMCSRR). For the input/output coupling, a dual C-shaped feed structure is implemented together with the DMCSRR to acheive a wideband response. The resonator offers a wide fractional bandwidth of 62% at the central frequency of 2.23 GHz and a very compact structure with a footprint of 0.0625λg×0.18λg, where λg is the guided wavelength at the midband frequency. A comprehensive lumped element circuit analysis accompanies the simulation and measurement results.|
|Keywords:||Compact filter; complementary split-ring resonator (CSRR); dual-mode filter; wideband filter.|
|Rights:||© 2013 IEEE|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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