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주병국(Byung-Guk Ju),민동현(Dong-Hyun Min),윤금노(Keum-Ro Yoon),소드놈체렌 오논치멕(Onochimeg Sodnomtseren),안병철(Bierng-Chearl Ahn) 한국정보기술학회 2010 한국정보기술학회논문지 Vol.8 No.8
In this paper, a miniaturized and printed Yagi antenna is proposed for use in ZigBee communications. The proposed antenna consists of a bent dipole driver, five directors, a reflector and a feed line with a balun. The antenna is fed by a GCPW whose plane also acts as a reflector. The antenna performance versus design parameters is analyzed using a commercial software, from which an optimum design is derived. The designed antenna is fabricated on a 33×80×1㎜ FR-4 substrate and its performance is tested. The fabricated antenna has a gain of 4.0㏈i at 2.45㎓ and a reflection coefficient of less than -10㏈ over 2.31-2.55㎓.