Microstrip multistage coupled ring bandpass filters using spur-line filters for harmonic suppression

被引：28
|
作者：
Griol, A [1 ]
Marti, J [1 ]
Sempere, L [1 ]
机构：
[1] Univ Politecn Valencia, ITACA Res Inst, ETSI Telecomunicac, Valencia 46022, Spain
来源：
ELECTRONICS LETTERS | 2001年 / 37卷 / 09期
关键词：
Microstrip coupled rings - Spur-line filters;
D O I：
10.1049/el:20010376
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：
Bandpass filters based on microstrip coupled ring resonators including spur-line filters to suppress higher harmonics have been investigated. Two topologies based on placing spur-line filters into or out of the coupled rings have been considered and compared. A harmonic suppression ratio > 30dB in a flat bandpass filter centred at 2.44GHz is obtained placing spur-line filters into and out of the microstrip coupled rings.
引用
收藏
页码：572 / 573
页数：2
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