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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2013-06-09
Design of Compact Wideband Bandpass Filter with Good Performances Based on Novel CRLH Resonator
By
Guo-Cheng Wu,

    Dr. Guo-Cheng Wu

    Dept. of Radar Engineering School of Air and Missile Institute

    Air Force Engineering University

    China

    Homepage

Guangming Wang,

    Dr. Guangming Wang

    Microwave Lab

    Air Defence and Anti Missile Institution

    China

    Homepage

Ya-Wei Wang

    Dr. Ya-Wei Wang

    Dept. of School of Air and Missile Defense

    Air Force Engineering University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 40, 201-207, 2013
doi:10.2528/PIERL13050402 | Google Scholar

Abstract
A novel miniaturized composite right/left-handed (CRLH) transmission line based on the structure of spiral inter-digital is proposed and analyzed in this article. Compared with the conventional inter-digital CRLH, the proposed CRLH realizes a 25% resonace frequency shift, and the miniaturization is realized. Then, a compact bandpass filter centered at 1.00 GHz with minimum insertion loss 0.42 dB was designed, fabricated and measured. The measured results show that the band width is 61.6% and that the sharpness at the two edges of passband is 212.5 dB/GHz and 607.1 dB/GHz. This designed filter has very high selectivity. Besides, the whole size of the designed filter is 0.114λ×0.054λ. The filter realizes the miniaturization effectively, and this designed bandpass filter has good performances and smaller size than the same works in references.
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Citation
Guo-Cheng Wu, Guangming Wang, and Ya-Wei Wang, "Design of Compact Wideband Bandpass Filter with Good Performances Based on Novel CRLH Resonator," Progress In Electromagnetics Research Letters, Vol. 40, 201-207, 2013.
doi:10.2528/PIERL13050402
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