A Compact Wide-Band Rat-Race Hybrid Using Microstrip Lines

被引：68

作者：

Caillet, Mathieu ^{[1
]}

Clenet, Michel ^{[2
]}

Sharaiha, Ala ^{[3
]}

Antar, Yahia M. M. ^{[1
]}

机构：

[1] Royal Mil Coll Canada, Kingston, ON K7K 7B4, Canada

[2] Def Res & Dev Canada, Ottawa, ON K1A 0K2, Canada

[3] Univ Rennes, Inst Elect & Telecommun IETR INSA, F-35042 Rennes, France

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2009年 / 19卷 / 04期

关键词：

Broad-band; fractal shapes; hybrids; microstrip line; planar circuits; rat-race coupler; space-filling curves; BRANCH-LINE; COUPLERS; DESIGN; SIZE;

D O I：

10.1109/LMWC.2009.2015483

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 compact microstrip rat-race hybrid with a 50% bandwidth employing space-filling curves is reported in this letter. The footprint of the proposed design occupies 31% of the area of the conventional similar design. Across the frequency bandwidth, the maximum amplitude unbalance is 0.5 dB, the phase variation is +/- 5 degrees, the isolation is better than 25 dB and the return loss is greater than 10 dB. Moreover, the circuit is planar, easy to design, and consists of only one layer without requiring plated thru holes, slots or bonding wires.

引用

页码：191 / 193

页数：3

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