A Novel Dual-Band Microstrip Bandpass Filter Design and Harmonic Suppression

被引：0
|
作者：
Li, Xiuping [1 ,2 ]
Zeng, Junjie [1 ,2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2013年 / 28卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Bandpass filter; dual-band; harmonic suppression; transmission zeros; BEHAVIOR RESONATORS; STUBS;
D O I：
暂无
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：
This paper proposes a new dual-passband microstrip bandpass filter, which is composed of two asymmetric half-wavelength resonators and four shunt open stubs that provides four transmission zeros. Two short stubs are added to suppress the second harmonic. The relationship of the four transmission zeros and the dimensions of the filter are all provided. The dual-passband microstrip bandpass filter is fabricated with the first passband of 2.4 GHz corresponds to the bandwidth of 0.1 GHz and the second passband of 5.7 GHz corresponds to the bandwidth of 0.25 GHz. The insertion loss of the two passband is less than 1 dB and 3 dB, respectively and the return loss is more than 10 dB. The results of the measured and simulated data agree well.
引用
收藏
页码：348 / 352
页数：5
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