Miniaturization of microstrip directional coupler by means of artificial transmission lines

被引：0
|
作者：
Denis, Letavin A. [1 ]
Hung Luu Quang [2 ]
机构：
[1] Ural Fed Univ, Engn Sch Informat Technol Telecommun & Control Sy, Ekaterinburg, Russia
[2] Vietnam Maritime Univ, Dept Elect & Telecommun, Hai Phong, Vietnam
来源：
2017 IEEE RADIO AND ANTENNA DAYS OF THE INDIAN OCEAN (RADIO) | 2017年
关键词：
BRANCH-LINE;
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 presents a brief analysis of the existing methods of reducing microstrip device dimensions. This paper also presents a miniaturization method based on using artificial transmission lines, which possess characteristics similar to those of quarter-wave transmission lines. Based on this method, a compact directional coupler, which divides the power in a 1: 2 ratio, was designed and manufactured. FR-4 with dielectric permeability of epsilon = 4.4 and thickness of h = 1 mm serves as substrate material. Using the R&S vector network analyzer, the experimental characteristics were ob-tained, which coincided with simulation results with minor error. The proposed miniaturization method allowed reducing the bridge coupler dimensions by 70% compared to the standard design.
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页数：2
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