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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2024-01-18
A High Performance Duplexer Based on Dual-Mode E-Type Resonator
By
Mingxin Liu,

    Dr. Mingxin Liu

    Chengdu Aeronautic Polytechnic University

    China

    Homepage

Mingfu Li,

    Dr. Mingfu Li

    Postdoctoral Innovation Practice Base

    Chengdu Textile College

    China

    Homepage

Hui Li,

    Dr. Hui Li

    School of Astronautics and Aeronautics

    University of Electronic Science and Technology of China

    China

    Homepage

Yan Chen

    Dr. Yan Chen

    Postdoctoral Innovation Practice Base

    Chengdu Textile College

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 116, 101-104, 2024
doi:10.2528/PIERL23121901 | Google Scholar

Abstract
A novel compact planar duplexer is proposed. It consists of three dual-mode E-shaped microstrip resonators and works well on the WCDMA system with uplink band of 1940 MHz-1955 MHz and downlink band of 2130 MHz-2145 MHz. The high rectangular coefficient of the duplexer makes its frequency selectivity high, and its small size is convenient for further miniaturization. In the product test, the duplexer is found to meet the band requirements very well with high isolation levels of -44 dB and -48 dB at the first and second frequency centers, respectively, which are better than those with similar frequency bands in the references.
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Citation
Mingxin Liu, Mingfu Li, Hui Li, and Yan Chen, "A High Performance Duplexer Based on Dual-Mode E-Type Resonator," Progress In Electromagnetics Research Letters, Vol. 116, 101-104, 2024.
doi:10.2528/PIERL23121901
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