A Hybrid Guided-Wave Structure of Half Mode Substrate Integrated Waveguide and Conductor-Backed SlotLine and its Application in Directional Couplers

被引：33

作者：

Cheng, Yu Jian ^{[1
]}

Hong, Wei ^{[2
]}

Wu, Ke ^{[3
]}

Fan, Yong ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, EHF Key Lab Fundamental Sci, Chengdu 610054, Peoples R China

[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

[3] Univ Montreal, Ecole Polytech, Poly Grames Res Ctr, Montreal, PQ H3C 3A7, Canada

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2011年 / 21卷 / 02期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Conductor-backed slotline (CBS); directional coupler; half mode substrate integrated waveguide (HMSIW); hybrid integrated circuit; BAND BANDPASS FILTER; MICROSTRIP;

D O I：

10.1109/LMWC.2010.2101587

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：

Conductor-backed slotline suffers from potential problems of mode coupling phenomenon and yields unexpected effects. Previous designs are focused on how to suppress such a mode-to-mode coupling. This unwanted coupling effect may be purposely used to achieve a desired coupling between half mode substrate integrated waveguide (HMSIW) and slotline. In this work, a hybrid HMSIW-slotline guided-wave structure is introduced and investigated. Through a simple and efficient analysis approach, we design and fabricate a 3 dB hybrid HMSIW-slotline directional coupler, which achieves a relative bandwidth of 17%similar to 22% with 0.5 dB amplitude imbalance excited at different ports. This type of substrate integrated hybrid coupler not only presents a compact geometry, but also preserves a great design flexibility compatible with various topologies.

引用

页码：65 / 67

页数：3

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