A New Branch-Line Hybrid Coupler with Arbitrary Power Division Ratio

被引：0
|
作者：
Gwon, Chilhyeun [1 ]
Choi, Kwansun [1 ]
Na, Inho [1 ]
Lim, Jongsik [1 ]
Kim, Yongbeom [1 ]
Ahn, Dal [1 ]
Kim, Kwisoo [1 ]
机构：
[1] Soonchunhyang Univ, Dept Elect & Commun Syst Engn, Asan 336745, Chungnam, South Korea
来源：
2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2007年
关键词：
Branch-line hybrid coupler; transmission line; arbitrary power division ratio; reflection type;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a new branch-line hybrid coupler with controllable power ratio at the output ports. It is structured as two 90 degrees branch-line hybrid couplers connected by a variable impedance transmission line. The power division ratio is adjusted by controlling the impedance of the transmission line. Modeling the transmission tine as series and parallel resonators shows that its impedance can be changed by changing the inductance and capacitance. In practice, using a varactor diode facilitates ease in dealing with the impedance of the transmission line and thus the power division ratio of the coupler.
引用
收藏
页码：2329 / 2332
页数：4
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