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Compact Wilkinson power divider based on novel via-less composite right/left-handed (CRLH) transmission lines

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2 Author(s)
Hai Hoang Ta ; Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA ; Anh-Vu Pham

We present the design and development of a compact Wilkinson power divider based on novel via-less composite righ/left-handed (CRLH) transmission lines. The power divider is designed by replacing all conventional right-handed quarter-wavelength transmission lines by CRLH transmission lines. The experimental results demonstrate that the power divider operates at center frequency of 1.75 GHz with occurred area 89.8% smaller than that of the conventional design at the same frequency. Based on 15 dB input return-loss criteria, the power divider has measured bandwidth from 1.4 to 2.1 GHz or 40% fractional bandwidth. Within this operating band, the measured insertion loss of the divider is better than 0.7 dB; the measured isolation is better than 15 dB up to 1.85 GHz and better than 12.7 dB up to 2.1 GHz.

Published in:

Communications and Electronics (ICCE), 2010 Third International Conference on

Date of Conference:

11-13 Aug. 2010