Low cost and compact directional coupler for ultrawideband applications

被引：11
|
作者：
Zaidel, Dyg N. A. [1 ]
Rahim, Sharul K. A. [1 ]
Seman, Norhudah [1 ]
Rahman, Tharek A. [1 ]
Abdulrahman, A. [1 ]
机构：
[1] Univ Teknologi Malaysia, WCC, Fac Elect Engn, Utm Skudai 81310, Johor, Malaysia
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 03期
关键词：
microstrip slot; multilayer technology; ultrawideband; directional coupler; compact size coupler; DESIGN;
D O I：
10.1002/mop.26616
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：
A design of a compact size (35 x 15 mm(2)) 3-dB coupler with ultrawideband (UWB) characteristic is demonstrated in this article. The proposed design is accomplished by forming two diamond-shaped microstrip lines that are broadside coupled by a slot at the middle ground plane. The dimension of the design was initialized using a simple mathematical formula and optimized using the CST microwave studio simulator. The design coupler is fabricated and measured. It shows comparable results of the simulation and measurement for the phase difference between two output ports, return loss, isolation, and 3-dB coupling over an UWB frequency range between 4 and 8.34 GHz. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:670-674, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26616
引用
收藏
页码：670 / 674
页数：5
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