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Characterization of the IF noise of a submillimeter SIS receiver
Shan, WL; Irimajiri, Y; Shi, SC; Manabe, T
2004-02-01
Source PublicationINTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES
ISSN0195-9271
Volume25Issue:2Pages:383-391
AbstractA fitting method is presented here for the accurate characterization of the IF noise contribution of a sub-millimeter SIS receiver. By fitting the mixer's IF output power response and junction's IV curve of an SIS mixer without LO pumping, we can obtain the IF noise contribution, the physical temperature of the isolator connected just behind the SIS mixer, the output mismatching of the mixer, and the total gain of the EF chain. Differing from a conventional method, which only uses the normal-state (linear) branch of the junction's IV curve, the method proposed here also includes the nonlinear portion around the gap voltage, The dynamic resistance in this portion is varied dramatically, providing us a good probe to characterize the output mismatching of the mixer, as well as other parameters.
KeywordSubmillimeter Sis Receiver If Noise Output Mismatching
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS KeywordHETERODYNE RECEIVERS
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Optics ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Optics ; Physics, Applied
WOS IDWOS:000189263400012
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7722
Collection毫米波和亚毫米波技术实验室
Affiliation1.Commun Res Labs, Koganei, Tokyo 1848795, Japan
2.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Shan, WL,Irimajiri, Y,Shi, SC,et al. Characterization of the IF noise of a submillimeter SIS receiver[J]. INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES,2004,25(2):383-391.
APA Shan, WL,Irimajiri, Y,Shi, SC,&Manabe, T.(2004).Characterization of the IF noise of a submillimeter SIS receiver.INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES,25(2),383-391.
MLA Shan, WL,et al."Characterization of the IF noise of a submillimeter SIS receiver".INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 25.2(2004):383-391.
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