Miniature high selectivity filters using grounded spiral resonators

被引：7

作者：

Jokanovic, B. ^{[1
]}

Crnojevic-Bengin, V. ^{[2
]}

Boric-Lubecke, O. ^{[3
]}

机构：

[1] IMTEL Commun, Belgrade 11070, Serbia

[2] Univ Novi Sad, Fac Tech Sci, Novi Sad 21000, Serbia

[3] Univ Hawaii Manoa, Honolulu, HI 96822 USA

来源：

ELECTRONICS LETTERS | 2008年 / 44卷 / 17期

关键词：

D O I：

10.1049/el:20081543

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 miniature high selectivity filter designed using a metamaterial resonator based on four grounded spirals (ForeS) is presented. This enables extreme size reduction together with high out-of-band rejection and low insertion loss. A fabricated third-order filter has overall dimensions of lambda(g)/4 by lambda(g)/15, a 3 dB bandwidth of 3.7% at 1.63 GHz, insertion loss of 23 dB, attenuation greater than 75 dB in the lower stopband and greater than 40 dB up to 2.6 times the centre frequency.

引用

页码：1019 / U26

页数：2

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