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A modified Wilkinson divider using zero-degree phase shifting composite right/left-handed transmission line

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4 Author(s)
Seung-Hwan Kim ; Dept. of Radio Commun. Eng., Kumoh Nat. Inst. of Technol., Gumi, South Korea ; Jung-Ho Yoon ; Young Kim ; Young-Chul Yoon

This paper proposes a modified Wilkinson divider using a zero-degree phase shifting composite right/left-handed (CRLH) transmission line to obtain good isolation between output ports and to obtain easy fabrication. A zero-degree phase shift CRLH transmission line, which has a total phase shift of zero-degrees, is combined with a right-handed (RH) transmission line with negative phase and a left-handed (LH) transmission line with positive phase. To validate a value of zero-degree on the phase shift CRLH transmission line, compared to a conventional Wilkinson divider, the divider using a zero-degree phase shift line provides comparable input return loss and insertion loss. In addition, the meta-material divider is significantly more compact, occupying only 50% of the size that the conventional divider space.

Published in:

Microwave Symposium Digest (MTT), 2010 IEEE MTT-S International

Date of Conference:

23-28 May 2010