Dual electromagnetic bandgap CPW structures for filter applications

被引：37

作者：

Martín, F ^{[1
]}

Falcone, F

Bonache, J

Lopetegi, T

Laso, MAG

Sorolla, M

机构：

[1] Univ Autonoma Barcelona, Dept Elect Engn, E-08193 Barcelona, Spain

[2] Publ Univ Navarre, Dept Elect Engn, E-31006 Pamplona, Spain

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2003年 / 13卷 / 09期

关键词：

coplanar waveguide (CPW); electromagnetic bandgap (EBG); microwave filters;

D O I：

10.1109/LMWC.2003.817149

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 novel coplanar waveguide (CPW) low pass filter based on electromagnetic bandgaps (EBG) with double periodicity has been designed and fabricated. The device consists on a CPW with T-shaped loading capacitances at periodic positions and slot width modulation. By properly choosing the ratio between the two periods of the structure, a huge band gap (more than five times the bandwidth) is obtained through the suppression of spurious frequencies. The fabricated prototypes also exhibit very sharp cutoff, very low insertion loss in the passband and slow wave effect.

引用

页码：393 / 395

页数：3

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