A Cancellation Network for Full-Duplex Front End Circuit

Chan, Yee Kit and Koo, Voon Chet and Chung, Boon-Kuan and Chuah, Hean-Teik (2009) A Cancellation Network for Full-Duplex Front End Circuit. Progress In Electromagnetics Research Letters, 7. pp. 139-148. ISSN 1937-6480

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Official URL: http://dx.doi.org/10.2528/PIERL09022305


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

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 02 Dec 2013 05:00
Last Modified: 02 Dec 2013 05:00
URI: http://shdl.mmu.edu.my/id/eprint/4526

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