Design of Compact Triple-Band Branch-Line Coupler with Three Arbitrary Operating Frequencies

被引：0
|
作者：
Lin, Yuan-Li [1 ,2 ]
Huang, Ting-Yi [1 ,2 ]
Shen, Tze-Min [1 ,2 ]
Chen, Chien-Chia [1 ,2 ]
Wu, Ruey-Beei [1 ,2 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei, Taiwan
[2] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei, Taiwan
来源：
ASIA-PACIFIC MICROWAVE CONFERENCE 2011 | 2011年
关键词：
branch-line coupler; triple-band; SMD;
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 triple-band branch-line coupler design by substituting the lambda/4 transmission lines in the conventional branch-line coupler by Pi-shaped circuits composing of transmission lines, LC resonators and open stubs. The coupler is designed on a printed circuit board (PCB). Surface mount device (SMD) capacitors are used for the LC shunt resonators. The operated frequencies of this coupler are designed at the 0.9 GHz, 1.575 GHz, and 1.8 GHz. Simulated and measured results by full-wave simulators validate the design concept.
引用
收藏
页码：25 / 28
页数：4
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