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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2017-01-13
Design of Compact Wideband QMSIW Band-Pass Filter with Improved Stopband
By
Yudan Wu,

    Dr. Yudan Wu

    Shanghai Radio Equipment Research Institute

    China

    Homepage

Guo Hui Li,

    Dr. Guo Hui Li

    Key Laboratory of Specialty Fiber Optics and Optical Access Network

    Shanghai University

    China

    Homepage

Wei Yang,

    Dr. Wei Yang

    Key Laboratory of Specialty Fiber Optics and Optical Access Network

    Shanghai University

    China

    Homepage

Xuexia Yang

    Prof. Xuexia Yang

    Shanghai University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 65, 75-79, 2017
doi:10.2528/PIERL16110301 | Google Scholar

Abstract
A compact wideband quarter mode substrate integrated waveguide (QMSIW) band-pass filter with wide stopband performance is presented in this paper. Compared with conventional SIW cavity, the QMSIW cavity occupies only one fourth of the size. A meandered H-shaped slot is etched on the cavity to change the current direction for size reduction. In order to prove the validity, a compact fourth-order band-pass filter with wide stopband is fabricated on a single-layer Rogers RT/Duroid 5880 substrate. The measured in-band insertion loss is only 1.02 dB including the loss caused by two connectors, and the stopband attenuation in the frequency band from 4.02 GHz to 12.63 GHz is better than 25 dB. The whole size of the filter is only 20.6×26.8×0.254 mm3.
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Citation
Yudan Wu, Guo Hui Li, Wei Yang, and Xuexia Yang, "Design of Compact Wideband QMSIW Band-Pass Filter with Improved Stopband," Progress In Electromagnetics Research Letters, Vol. 65, 75-79, 2017.
doi:10.2528/PIERL16110301
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