DESIGN OF A COMPACT, WIDE STOPBAND MICROSTRIP BAND-PASS FILTER

被引：1
|
作者：
Peng, Lin [1 ]
Ruan, Cheng-li [1 ]
Ding, Chao-yuan [1 ]
Yang, Mao-hui [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2010年 / 52卷 / 04期
关键词：
interdigital capacitor; wide stopband; left-handed (LH); compact; band-pass filter (BPF); SELECTIVITY; RESONATORS;
D O I：
10.1002/mop.25061
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：
We proposed a compact microstrip bond-pass filter with wide stopband in this article. Microstrip gap and interdigital capacitor combine with stub inductors shorted to the ground plane by via were used to take advantage of different aspects of left-handed behavior to achieve compact size and wide stopband characteristics. The designed filter has a compact structure with overall dimensions of 20 mm by 17.05 mm, a 3-dB bandwidth of 25.2% at 1.19 GHz, insertion loss of -3 dB, attenuation greater that 60 dB in the lower stopband and greater that 27 dB up to 5.2 times the centre frequency. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 830-833, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25061
引用
收藏
页码：830 / 833
页数：4
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