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PIER PIER B PIER C PIER M PIER Letters
2010-04-20
A Novel Approach to the Design of Dual-Band Power Divider with Variable Power Dividing Ratio Based on Coupled-Lines
By
Zhe Lin,

    Mr. Zhe Lin

    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. 103, 271-284, 2010
doi:10.2528/PIER10012202
Abstract
This paper presents an approach to the design of a novel dual-band power divider with variable power dividing ratio. To achieve dual-band operation, a novel dual-band quarter-wave length transformer based on coupled-lines is proposed, which is used to replace the quarter-wave length transformer in Wilkinson power divider. The proposed dual-band power divider features a simple compact planar structure with wide bandwidth performance for small frequency ratio. Closed-form design equations with one degree of design freedom are derived using even- and odd-mode analysis and transmission line theory. For verification purpose, power dividers operating at 2.4/3.8 GHz with dividing ratios of 2:1 and 1:1 are designed, simulated and measured. The simulated and measured results are in good agreement.
Citation
Zhe Lin, and Qing-Xin Chu, "A Novel Approach to the Design of Dual-Band Power Divider with Variable Power Dividing Ratio Based on Coupled-Lines," Progress In Electromagnetics Research, Vol. 103, 271-284, 2010.
doi:10.2528/PIER10012202
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