Microwave Dual-Band Bandpass Planar Filters Based on Generalized Branch-Line Hybrids

被引：43

作者：

Gomez-Garcia, Roberto ^{[1
]}

Sanchez-Renedo, Manuel ^{[1
]}

机构：

[1] Univ Alcala, Dept Signal Theory & Commun, Madrid 28871, Spain

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2010年 / 58卷 / 12期

关键词：

Bandpass filter; generalized branch-line hybrid; dual-band filter; microstrip technology; microwave filter; multi-path filter; signal interference; transmission zero; transversal filter; ultra-wideband technology; SHARP-REJECTION; RAT-RACE; DESIGN; COMPACT; COUPLER;

D O I：

10.1109/TMTT.2010.2085771

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 new class of microwave dual-band bandpass planar filter is reported. It uses an original generalized branch-line hybrid topology devised here, operating as dual-passband transversal filtering section. This type of filter network, under feedforward signal-interaction concepts, enables dual-band bandpass filtering actions with transmission zeros to be generated. Some design formulas and guidelines helping to synthesize the proposed dual-passband transversal filtering section are given. Furthermore, to prove its practical viability, theoretical, simulated and experimental results of two manufactured sharp-rejection dual-band bandpass microstrip filter prototypes are shown.

引用

页码：3760 / 3769

页数：10

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