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PIER PIER B PIER C PIER M PIER Letters
2011-05-18
Design of Different Selectivity Dual-Mode Filters with E-Shaped Resonator
By
Chao Lei Wei,

    Dr. Chao Lei Wei

    University of Electronic Science and Technology of China

    China

    Homepage

Bao-Fu Jia,

    Dr. Bao-Fu Jia

    University of Electronic Science and Technology of China

    China

    Homepage

Zhao-Jun Zhu,

    Dr. Zhao-Jun Zhu

    University of Electronic Science and Technology of China

    China

    Homepage

Ming-Chun Tang

    Prof. Ming-Chun Tang

    University of Electronic Science and Technology of China

    China

    Homepage

Progress In Electromagnetics Research, Vol. 116, 517-532, 2011
doi:10.2528/PIER11040808
Abstract
A novel bandpass filter design method of achieving different selectivity based on E-shaped dual-mode resonator is presented. The characteristic of the E-shaped dual-mode resonator is investigated. The technique of utilizing capacitive and inductive input-output cross-coupling to generate two adjustable transmission zeros at stopband is explored intensively. Advantages of this type of filter are not only its dual-mode resonator and miniaturization, but also its controllable transmission zeros. The coupling scheme is presented to model the operations of these filters. Four dual-mode microstrip BPFs have been designed, fabricated, and measured. Both the simulated and measured results are presented. The exemplary filters verify the feasibility of the new design method.
Citation
Chao Lei Wei, Bao-Fu Jia, Zhao-Jun Zhu, and Ming-Chun Tang, "Design of Different Selectivity Dual-Mode Filters with E-Shaped Resonator," Progress In Electromagnetics Research, Vol. 116, 517-532, 2011.
doi:10.2528/PIER11040808
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