BROADBAND BALUN FOR MONOLITHIC MICROWAVE INTEGRATED CIRCUIT APPLICATION

被引：3

作者：

Yoo, Hyoungsuk ^{[2
]}

Lee, Se-Hee ^{[1
]}

Kim, Hongjoon ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Dept Elect Engn, Taegu 702701, South Korea

[2] Univ Ulsan, Sch Elect Engn, Dept Biomed Engn, Ulsan 680749, South Korea

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 01期

关键词：

broadband; balun; left-handed; transmission line; right-handed; Wilkinson; compact power divider; compact;

D O I：

10.1002/mop.26468

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：

We present a compact and broadband balun based on the concept of a synthetic left-handed transmission line and right-handed transmission line. The compact balun uses lumped, discrete LC elements only to reduce the circuit size dramatically. For the frequency range of 0.6-1.2 GHz, this circuit maintains 180 +/- 9.5 degrees phase difference at the outputs, whereas the maximum insertion loss is -1.78 dB, and the minimum return loss is -10.2 dB at all three ports, yet the circuit size is merely 12 x 8 mm(2). As far as we know, this is the smallest broadband balun reported in the literature, and the size can be further reduced, if the circuit is made with a monolithic microwave integrated circuit technology. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54: 203-206, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26468

引用

页码：203 / 206

页数：5

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