Slot-Coupled Multisection Quadrature Hybrid for UWB Applications

被引：28

作者：

Moscoso-Martir, A. ^{[1
]}

Wanguemert-Perez, J. G. ^{[1
]}

Molina-Fernandez, I. ^{[1
]}

Marquez-Segura, E. ^{[1
]}

机构：

[1] Univ Malaga, ETSI Telecomunicac, Dept Ingn Comunicac, E-29071 Malaga, Spain

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2009年 / 19卷 / 03期

关键词：

Multisection hybrid; quadrature hybrid; slot-coupled directional coupler; ultra-wideband (UWB); DIRECTIONAL-COUPLERS; DESIGN;

D O I：

10.1109/LMWC.2009.2013700

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 three-section quadrature hybrid based on slot-coupled directional couplers, which operates over a bandwidth from 3.1 to 10.6 GHz. A prototype has been fabricated which exhibits a return loss better than 20 dB, isolation around 20 dB, an amplitude imbalance between output ports of less than +/- 0.75 dB and a phase imbalance between +1 degrees and -3 degrees across the 3.1-10.6 GHz band. This design outperforms previously reported results for ultra wide band operation.

引用

页码：143 / 145

页数：3

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