Design of Sharp Roll-Off Lowpass Filter With Ultra Wide Stopband

被引：74
|
作者：
Karimi, Gholamreza [1 ]
Lalbakhsh, Ali [2 ]
Siahkamari, Hesam [1 ]
机构：
[1] Razi Univ, Dept Elect Engn, Fac Engn, Kermanshah 67149, Iran
[2] Islamic Azad Univ, Dept Engn, Kermanshah Branch, Kermanshah, Iran
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2013年 / 23卷 / 06期
关键词：
Micriostrip lowpass filter (LPF); sharp roll-off; ultra wide stopband;
D O I：
10.1109/LMWC.2013.2261057
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 microstrip lowpass filter is proposed to achieve an ultra wide stopband with 12th harmonic suppression and extremely sharp skirt characteristics. The transition band is from 1.26 to 1.37 GHz with -3 and -20 dB, respectively. The operating mechanism of the filter is investigated based on proposed equivalent-circuit model, and the role of each section in creating null points is theoretically discussed. An overall good agreement between measured and simulated results is observed.
引用
收藏
页码：303 / 305
页数：3
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