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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2009-04-09
A Cancellation Network for Full-Duplex Front End Circuit
By
Yee Kit Chan,

    Dr. Yee Kit Chan

    Faculty of Engineering & Technology

    Multimedia University

    Malaysia

    Homepage

Voon Koo,

    Dr. Voon Koo

    Faculty of Engineering

    Multimedia Unviersity

    Malaysia

    Homepage

Boon-Kuan Chung,

    Dr. Boon-Kuan Chung

    Electrical and Electronic Engineering

    Universiti Tunku Abdul Rahman

    Malaysia

    Homepage

Hean-Teik Chuah

    Dr. Hean-Teik Chuah

    Universiti Tunku Abdul Rahman

    Malaysia

    Homepage

Progress In Electromagnetics Research Letters, Vol. 7, 139-148, 2009
doi:10.2528/PIERL09022305 | Google Scholar

Abstract
A circulator is needed in a C-band airborne synthetic aperture radar system which employs single antenna configuration. The circulator provides full-duplex capability to transmit high-power RF signal and receive the echo signal via the same antenna simultaneously. Commercially available circulators with moderate isolation are inadequate for this application. An innovative Cancellation Network (CN) has been designed to enhance the performance of the conventional circulator. This paper highlights the conceptual design and measurement results of the CN. An improvement of more than 27 dB has been achieved.
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Citation
Yee Kit Chan, Voon Koo, Boon-Kuan Chung, and Hean-Teik Chuah, "A Cancellation Network for Full-Duplex Front End Circuit," Progress In Electromagnetics Research Letters, Vol. 7, 139-148, 2009.
doi:10.2528/PIERL09022305
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