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Ultra-low-loss high-pass filter with air-core short-circuit coaxial cable
Liu, Hongfei1,2; Weinreb, Sander3
2017-11-01
Source PublicationINTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
Volume9Issue:9Pages:1817-1820
AbstractThis paper presents a novel ultra-low-loss high-pass filter with 3 dB cutoff frequency of 890 MHz for astronomical receiver radio frequency interference mitigation application. The filter consists of three series capacitors, four shunt inductors, and microstrip circuit board. Specially, 4 shunt inductors are actualized by fabricating air-core short-circuit coaxial cable inductors in the filter box body, and the quality factor of these cable inductors is up to 762.2 and 1046, respectively, at 1.4 GHz. In the expected passband of 1.1-1.9 GHz, S parameters measurement show that insertion loss is lower than 0.16 dB and two-port return loss is larger than 20 dB; noise measurement show that filter noise temperature is lower than 8 at 300 K ambient temperature. Noise sources of this filter are analyzed by simulation and measurement.
SubtypeArticle
KeywordHigh-pass Filter Ultra-low Loss Short-circuit Coaxial Inductor
WOS HeadingsScience & Technology ; Technology
Funding OrganizationState Key Development Program for Basic Research of China(2012C B821806 ; State Key Development Program for Basic Research of China(2012C B821806 ; National Natural Science Foundation of China(10173015) ; National Natural Science Foundation of China(10173015) ; 2013C B837900) ; 2013C B837900) ; State Key Development Program for Basic Research of China(2012C B821806 ; State Key Development Program for Basic Research of China(2012C B821806 ; National Natural Science Foundation of China(10173015) ; National Natural Science Foundation of China(10173015) ; 2013C B837900) ; 2013C B837900)
DOI10.1017/S1759078717000721
WOS KeywordRADIO ASTRONOMY
Indexed BySCI
Language英语
Funding OrganizationState Key Development Program for Basic Research of China(2012C B821806 ; State Key Development Program for Basic Research of China(2012C B821806 ; National Natural Science Foundation of China(10173015) ; National Natural Science Foundation of China(10173015) ; 2013C B837900) ; 2013C B837900) ; State Key Development Program for Basic Research of China(2012C B821806 ; State Key Development Program for Basic Research of China(2012C B821806 ; National Natural Science Foundation of China(10173015) ; National Natural Science Foundation of China(10173015) ; 2013C B837900) ; 2013C B837900)
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000418999100005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/20338
Collection射电天文研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.CALTECH, Pasadena, CA 91125 USA
Recommended Citation
GB/T 7714
Liu, Hongfei,Weinreb, Sander. Ultra-low-loss high-pass filter with air-core short-circuit coaxial cable[J]. INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES,2017,9(9):1817-1820.
APA Liu, Hongfei,&Weinreb, Sander.(2017).Ultra-low-loss high-pass filter with air-core short-circuit coaxial cable.INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES,9(9),1817-1820.
MLA Liu, Hongfei,et al."Ultra-low-loss high-pass filter with air-core short-circuit coaxial cable".INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES 9.9(2017):1817-1820.
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