PMO OpenIR  > 毫米波和亚毫米波技术实验室
Design of Bandpass Filters Using Three Parallel Coupled-Lines with Open Stub Resonator
Tian Ge1; Yang Jinping2,3; Wu Wen1
2013
Source PublicationCHINESE JOURNAL OF ELECTRONICS
ISSN1022-4653
Volume22Issue:1Pages:192-194
Corresponding AuthorTian, G (reprint author), Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China. Email: tiange.njust@163.com ; jpyang@pmo.ac.cn ; wuwen@mail.njust.edu.cn
AbstractBandpass filter with equal-ripple response in the passband and four transmission zeros in the stopband is synthesized in this letter. Equivalent circuit model is proposed. Based on even- and odd-mode theory, design formulas are derived to provide relationship between filtering characteristics (center frequency, bandwidth, and transmission zeros) and circuit parameters for the filter. To verify the design concept, a bandpass filter with a fractional bandwidth of 26.7% (ripple level 0.01dB) at the center frequency of 3.9 GHz is designed and fabricated. The measured insertion loss is less than 0.6 dB, and return loss is higher than 19.4 dB in the passband. The stopband extends to 10.4 GHz with the rejection level of 20 dB. Measured results show good agreement with simulations.
KeywordBandpass Filter (Bpf) Even- And Odd-mode Three Parallel Coupled- Lines
Subject AreaEngineering
WOS HeadingsScience & Technology ; Technology
WOS KeywordWIDE-BAND
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000317701800037
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9797
Collection毫米波和亚毫米波技术实验室
Affiliation1.Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Tian Ge,Yang Jinping,Wu Wen. Design of Bandpass Filters Using Three Parallel Coupled-Lines with Open Stub Resonator[J]. CHINESE JOURNAL OF ELECTRONICS,2013,22(1):192-194.
APA Tian Ge,Yang Jinping,&Wu Wen.(2013).Design of Bandpass Filters Using Three Parallel Coupled-Lines with Open Stub Resonator.CHINESE JOURNAL OF ELECTRONICS,22(1),192-194.
MLA Tian Ge,et al."Design of Bandpass Filters Using Three Parallel Coupled-Lines with Open Stub Resonator".CHINESE JOURNAL OF ELECTRONICS 22.1(2013):192-194.
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