A compact W-band planar Quasi-Yagi antenna on GaAs substrate for active phased array antenna

被引:0
作者
Truong, Le Huu [1 ]
Baek, Yong Hyun [1 ]
Choi, Seok Gyu [1 ]
Lee, Mun Kyo [1 ]
Ko, Du Hyun [1 ]
Lee, Sang Jin [1 ]
Chien, Dao Ngoc [2 ]
Chae, Yeon Sik [1 ]
Rhee, Jin Koo [1 ]
机构
[1] Dongguk Univ, Millimeter Wave Innovat Technol Res Ctr, 3 Ga,26 Pildong, Seoul 100715, South Korea
[2] Hanoi Univ Technol, Dept Telecommun Syst, Hanoi, Vietnam
来源
2008 GLOBAL SYMPOSIUM ON MILLIMETER WAVES | 2008年
关键词
Quasi Yagi antenna; broad band antenna; CPW fed; planar antenna; W-band antenna; GaAs substrate;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In this paper, a design of compact W-band planar Quasi-Yagi antenna is presented. The proposed antenna is fed by 50 Ohm coplanar waveguide with a broad-band balun in order to convert from unbalanced grounded-coplanar waveguide (G-CPW) mode into balanced coplanar strip line (CPS) mode. This antenna is realized on a high dielectric constant substrate, GaAs -relative dielectric permittivity of 12.9, that's compatible with active devices and circuits. Using the truncated ground plane as a reflector, the proposed antenna has a broad relative bandwidth of 18.07% with its return loss better than -10 dB, front to back ratio is 15.6 dB and 6.08 dBi of gain at 94GHz. This antenna can be widely applied in wireless communication systems, active phased array antenna or millimeter-wave imaging systems.
引用
收藏
页码:123 / +
页数:2
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