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PIER PIER B PIER C PIER M PIER Letters
2010-08-05
Compact UWB Band-Pass Filter Utilizing Modified Composite Right/Left-Handed Structure with Cross Coupling
By
Jian-Quan Huang,

    Dr. Jian-Quan Huang

    School of Electronic and Information Engineering

    South China University of Technology

    China

    Homepage

Qing-Xin Chu

    Prof. Qing-Xin Chu

    School of Electronic and Information Engineering

    South China University of Technology

    China

    Homepage

Progress In Electromagnetics Research, Vol. 107, 179-186, 2010
doi:10.2528/PIER10070403
Abstract
An ultra wide band (UWB) band-pass filter (BPF) utilizing one modified composite-right/lefthanded (CRLH) unit cell is proposed. By introducing the capacitive cross coupling to the traditional CRLH structure, the phase shift in the right-handed pass-band can be controlled, meanwhile, the cross coupling has negligible effect on the left-handed pass-band. The appropriate cross coupling can create three controllable transmission zeros. Thus, an UWB BPF with high selectivity is developed using only one unit cell, which leads to low insertion loss (less than 1.35 dB) and compact size (0.47λ0×0.28λ0). The fabricated filter exhibits a rejection level higher than 20 dB at the stop-band from 11.95--16 GHz and flat group delay across the pass-band.
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Citation
Jian-Quan Huang, and Qing-Xin Chu, "Compact UWB Band-Pass Filter Utilizing Modified Composite Right/Left-Handed Structure with Cross Coupling," Progress In Electromagnetics Research, Vol. 107, 179-186, 2010.
doi:10.2528/PIER10070403
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