A Novel Dual-Band Bagley Polygon Power Divider with 2-D Configuration

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  • LIU Xin
    School of Electronical Engineering, Beijing University of Posts and Telecommunications
  • YU Cuiping
    School of Electronical Engineering, Beijing University of Posts and Telecommunications
  • LIU Yuanan
    School of Electronical Engineering, Beijing University of Posts and Telecommunications
  • LI Shulan
    School of Electronical Engineering, Beijing University of Posts and Telecommunications
  • WU Fan
    School of Electronical Engineering, Beijing University of Posts and Telecommunications
  • WU Yongle
    School of Electronical Engineering, Beijing University of Posts and Telecommunications

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Description

In this paper, a novel design of planar dual-band multi-way lossless power dividers (PDs), namely Bagley Polygon PDs, is presented. The proposed PDs use Π-type dual-band transformers as basic elements, whose design formulas are analyzed and simplified to a concise form. The equivalent circuit of the dual-band Bagley Polygon PD is established, based on which design equations are derived mathematically. After that, the design procedure is demonstrated, and special cases are discussed. To verify the validity of the proposed design, 3-way and 5-way examples are simulated and fabricated at two IMT-Advanced bands of 1.8GHz and 3.5GHz, then simulation and measurement results are provided. The presented PDs have good performances on the bandwidths and phase shifts. Furthermore, the planar configuration leads to convenient design procedure and easy fabrication.

Journal

  • IEICE Transactions on Electronics

    IEICE Transactions on Electronics E94-C (10), 1594-1600, 2011

    The Institute of Electronics, Information and Communication Engineers

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