An Arbitrary Phase-Difference Hybrid Coupler with Enhanced Bandwidth

被引：0
|
作者：
Wen, Jia Min [1 ]
Wang, Shui Hong [1 ]
Zheng, Shao Yong [1 ]
机构：
[1] Sun Yat Sen Univ, Higher Educ Mega Ctr, 132 Waihuan East Rd, Guangzhou 510006, Guangdong, Peoples R China
来源：
2018 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM IN CHINA (ACES-CHINA 2018) | 2018年
基金：
中国国家自然科学基金;
关键词：
3-dB hybrid coupler; arbitrary phase difference; wideband;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The existing arbitrary phase difference hybrid couplers usually have limited bandwidths due to the much more complex requirements for implementing non-standard phase difference. To effectively extend the bandwidth of a two section branch line coupler with arbitrary phase difference, a coupled line section is utilized to replace the middle branch. For validation, two 3 dB couplers which provide 45 degrees and 135 degrees phase differences were designed and fabricated. They were measured to achieve wide bandwidths of 33.7% and 25% respectively.
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页数：2
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