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A rectangular-shaped time-delay line inspired by CRLH TL unit cell for UWB operation

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3 Author(s)
Zhang, J. ; Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong, China ; Cheung, S.W. ; Yuk, T.I.

This paper presents the design of a rectangular-shaped ultra-wideband (UWB) time-delay line inspired by the use of composite right/left-handed transmission line (CRLH TL) unit cells. A rotated version of a conventional CRLH TL unit cell is used as the basic elements to achieve UWB operation. For comparison, time-delay lines using the right-handed transmission line (RH TL) and CRLH TL unit cells are also studied, fabricated and tested. Simulation and measurement results show that our proposed time-delay lines have high return loss, low insertion loss, UWB operation and much longer time delays than that of the time-delay line based on RH TL.

Published in:

Communication Systems (ICCS), 2010 IEEE International Conference on

Date of Conference:

17-19 Nov. 2010