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HIGH LINEARITY, LOW NOISE, L-BAND CRYOGENIC AMPLIFIER FOR RADIO ASTRONOMICAL RECEIVERS
Liu, Hongfei1,2; Jin, Chengjin1,2; Cao, Yang1,2; Gan, Hengqian1,2
2017-03-01
Source PublicationMICROWAVE AND OPTICAL TECHNOLOGY LETTERS
ISSN0895-2477
Volume59Issue:3Pages:500-505
Corresponding AuthorLiu, Hongfei(lhf@bao.ac.cn)
AbstractThis letter presents a novel L-band cryogenically- coolable low noise amplifier applied in radio astronomical receivers. This amplifier can be operated at temperatures of 300K to 4K. Its noise temperature is less than 6K at 20K physics temperature in the frequencies of 1.2 similar to 1.8 GHz. Over 30 dB gain, more than 10 dB input/output return loss and better than +/- 0.75 dB gain flatness are achieved; Especially, this LNA achieves extremely high large signal performance. Its three order intercepts and 1 dB compressed power referred to output is up to 25.5 dBm and 15 dBm, respectively. (C) 2017 Wiley Periodicals, Inc.
Keywordcryogenic HEMT transistor low noise amplifier high linearity radio astronomy
DOI10.1002/mop.30334
WOS KeywordPARAMETERS
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Optics
WOS SubjectEngineering, Electrical & Electronic ; Optics
WOS IDWOS:000393815400003
PublisherWILEY-BLACKWELL
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23298
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 21008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hongfei,Jin, Chengjin,Cao, Yang,et al. HIGH LINEARITY, LOW NOISE, L-BAND CRYOGENIC AMPLIFIER FOR RADIO ASTRONOMICAL RECEIVERS[J]. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS,2017,59(3):500-505.
APA Liu, Hongfei,Jin, Chengjin,Cao, Yang,&Gan, Hengqian.(2017).HIGH LINEARITY, LOW NOISE, L-BAND CRYOGENIC AMPLIFIER FOR RADIO ASTRONOMICAL RECEIVERS.MICROWAVE AND OPTICAL TECHNOLOGY LETTERS,59(3),500-505.
MLA Liu, Hongfei,et al."HIGH LINEARITY, LOW NOISE, L-BAND CRYOGENIC AMPLIFIER FOR RADIO ASTRONOMICAL RECEIVERS".MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 59.3(2017):500-505.
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