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PIER PIER B PIER C PIER M PIER Letters
2012-01-04
New Wilkinson Power Dividers Based on Compact Stepped-Impedance Transmission Lines and Shunt Open Stubs
By
Pu-Hua Deng,

    Prof. Pu-Hua Deng

    Department of Electrical Engineering

    National University of Kaohsiung

    Taiwan

    Homepage

Jin-Hao Guo,

    Dr. Jin-Hao Guo

    Department of Electrical Engineering

    National University of Kaohsiung

    Taiwan

    Homepage

Wen-Chi Kuo

    Dr. Wen-Chi Kuo

    Department of Electrical Engineering

    National University of Kaohsiung

    Taiwan

    Homepage

Progress In Electromagnetics Research, Vol. 123, 407-426, 2012
doi:10.2528/PIER11111612
Abstract
This study presents new Wilkinson power dividers using compact stepped-impedance structures and capacitive loads to achieve the required power splitting. This approach can produce additional transmission zeros and effectively suppress the desired stopbands because shunt open stubs realize capacitive loads. This study proposes two equal-split dividers and two unequal-split dividers. For the first equal-split case, one shunt open stub forms the needed capacitor in each transmission path, creating one additional transmission zero in each path. To obtain one more transmission zero in each transmission path, the second Wilkinson power divider uses two shunt open stubs in each path to achieve the same capacitor value as the first divider. This study also tests unequal-split dividers with one and two transmission zeros in each path to confirm that compact stepped-impedance transmission lines and shunt to-ground capacitors can be utilized in unequal power division.
Citation
Pu-Hua Deng, Jin-Hao Guo, and Wen-Chi Kuo, "New Wilkinson Power Dividers Based on Compact Stepped-Impedance Transmission Lines and Shunt Open Stubs," Progress In Electromagnetics Research, Vol. 123, 407-426, 2012.
doi:10.2528/PIER11111612
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