COMPACT 30:1 BANDWIDTH RATIO BALUN FOR PRINTED BALANCED ANTENNAS | Zendy

Xueqing Meng | Zendy; Bo Wu | Zendy; Zhixiang Huang | Zendy; Xianliang Wu | Zendy

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COMPACT 30:1 BANDWIDTH RATIO BALUN FOR PRINTED BALANCED ANTENNAS

Author(s) -

Xueqing Meng,

Bo Wu,

Zhixiang Huang,

Xianliang Wu

Publication year - 2016

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc16042003

Subject(s) - balun , bandwidth (computing) , vivaldi antenna , wideband , electronic engineering , computer science , antenna (radio) , electrical engineering , radiation pattern , engineering , telecommunications

A new compact 30 : 1 bandwidth ratio balun and its application to balanced antennas are presented in this paper. To realize the balun-type function, two different types of wideband transition structures are adopted for unbalanced and balanced outputs of the balun. Further, a Vivaldi antenna integrated with the proposed balun is designed and fabricated to validate the feasibility of the new approach. Results indicated that the proposed balun can operate from 0.2 GHz to 6 GHz (a bandwidth ratio of 30 : 1). And it exhibits a good balanced performance within 0.5 dB magnitude imbalance and less than 6 degree phase imbalance between the two balanced outputs. In addition, the antenna can operate from 0.9 GHz to 6 GHz with good unidirectional radiation patterns.

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