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Wideband MgB2 Hot-E...
Wideband MgB2 Hot-Electron Bolometer Mixers: IF Impedance Characterisation and Modeling
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- Bevilacqua, Stella, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Novoselov, Evgenii, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cherednichenko, Serguei, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Shibata, Hiroyuki (author)
- Nippon Telegraph and Telephone Corporation
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- Tokura, Yasuhiro (author)
- Nippon Telegraph and Telephone Corporation
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(creator_code:org_t)
- 2016
- 2016
- English.
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In: IEEE Transactions on Applied Superconductivity. - 1558-2515 .- 1051-8223. ; 26:3, s. 2300105-
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Abstract
Subject headings
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- In this paper we present a method for low signal S11 parameter vector measurements of a cryogenic device in the microwave frequency range. In particular, the intermediate frequency (IF) impedance of MgB2 Hot-electron Bolometer (HEB) mixers was investigated over a frequency range of 100 MHz to 10 GHz. A new cryogenic calibration technique, which employs the HEB as a calibration kitandrequires two consecutive thermal cycles, was developed for this purpose.The real part of measured IF impedance showed a strong correlationwith the differential resistance (dV/dI) obtained from the dc I-V curves while the imaginary partwas capacitive for almost the entire frequency range.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Keyword
- MgB2 thin film
- IF impedance
- Heterodyne receiver
- THz detectors.
- Hot-electron bolometers (HEBs)
Publication and Content Type
- art (subject category)
- ref (subject category)
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