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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2008-04-01
Wideband Differential Phase Shifter Using Microstrip Nonuniform Transmission Lines
By
Mohammad Khalaj-Amirhosseini

    Dr. Mohammad Khalaj-Amirhosseini

    Iran University of Science and Technology

    Iran

    Homepage

Progress In Electromagnetics Research Letters, Vol. 3, 151-160, 2008
doi:10.2528/PIERL08031603 | Google Scholar

Abstract
A new structure is proposed for wideband differential phase shifter. The proposed structure consists of a microstrip Nonuniform Transmission Line (NTL) and a microstrip Uniform Transmission Line (UTL). To optimally design the NTL, its strip width is expanded in a truncated Fourier series, firstly. Then, the optimum values of the coefficients of the series are obtained through an optimization approach to have low phase shift error and low reflection coefficient in desired frequency bandwidth. The usefulness of the proposed structure is studied using two examples.
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Citation
Mohammad Khalaj-Amirhosseini, "Wideband Differential Phase Shifter Using Microstrip Nonuniform Transmission Lines," Progress In Electromagnetics Research Letters, Vol. 3, 151-160, 2008.
doi:10.2528/PIERL08031603
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