Ultra-low-loss high-pass filter with air-core short-circuit coaxial cable

doi:10.1017/S1759078717000721

	Ultra-low-loss high-pass filter with air-core short-circuit coaxial cable
	Liu, Hongfei 1,2; Weinreb, Sander 3
刊名	INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
	2017-11-01
卷号	9 期号:9 页码:1817-1820
关键词	High-pass filter Ultra-low loss Short-circuit coaxial inductor
ISSN号	1759-0787
DOI	10.1017/S1759078717000721
通讯作者	Liu, Hongfei(lhf@bao.ac.cn)
英文摘要	This 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.
WOS关键词	RADIO ASTRONOMY
WOS研究方向	Engineering ; Telecommunications
语种	英语
出版者	CAMBRIDGE UNIV PRESS
WOS记录号	WOS:000418999100005
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/22517]
专题	中国科学院紫金山天文台
通讯作者	Liu, Hongfei
作者单位	1.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
推荐引用方式 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.