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：
5;
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
收藏
页码：1019 / U26
页数：2
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