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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2013-09-14
Realization of Miniaturized Quadrature Hybrid Coupler with Reduced Length Branch Arms Using Recursively Loaded Stubs
By
Rowdra Ghatak,

    Prof. Rowdra Ghatak

    ECE Department

    National Institute of Technology

    India

    Homepage

Manimala Pal,

    Dr. Manimala Pal

    ECE Dept.

    NFET, NSHM Knowledge Campus Durgapur

    India

    Homepage

Biswajit Sarkar

    Mr. Biswajit Sarkar

    National Institute of Technology Durgapur

    India

    Homepage

Progress In Electromagnetics Research Letters, Vol. 43, 45-54, 2013
doi:10.2528/PIERL13071304 | Google Scholar

Abstract
This paper presents a novel design of miniaturized microstrip quadrature coupler at 2.45 GHz. The design topology is based on reduced transmission line branch arms using recursively loaded stubs that contribute to the compact size. The proposed coupler result in a size reduction of 70.4% when compared to a conventional branch line hybrid. The designed coupler provides, at the operating frequency, a 25 dB isolation and exhibits equal power division at the output ports with quadrature phase difference. A fabricated prototype is developed with simulation and measurement in close agreement.
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Citation
Rowdra Ghatak, Manimala Pal, and Biswajit Sarkar, "Realization of Miniaturized Quadrature Hybrid Coupler with Reduced Length Branch Arms Using Recursively Loaded Stubs," Progress In Electromagnetics Research Letters, Vol. 43, 45-54, 2013.
doi:10.2528/PIERL13071304
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