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
收藏
页码：143 / 145
页数：3
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