PMO OpenIR
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
ISSN1759-0787
Volume9Issue:9Pages:1817-1820
Corresponding AuthorLiu, Hongfei(lhf@bao.ac.cn)
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.
KeywordHigh-pass filter Ultra-low loss Short-circuit coaxial inductor
DOI10.1017/S1759078717000721
WOS KeywordRADIO ASTRONOMY
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000418999100005
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22518
Collection中国科学院紫金山天文台
Corresponding AuthorLiu, Hongfei
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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