Cryogenic amplifiers for interfacing superconductive systems to room temperature electronics

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dc.contributor.advisorFourie, C. J.en_ZA
dc.contributor.authorBadenhorst, Le Rouxen_ZA
dc.contributor.otherStellenbosch University. Faculty of Engineering. Dept. of Electrical and Electronic Engineering.
dc.date.accessioned2009-03-02T15:04:43Zen_ZA
dc.date.accessioned2010-06-01T08:27:58Z
dc.date.available2009-03-02T15:04:43Zen_ZA
dc.date.available2010-06-01T08:27:58Z
dc.date.issued2008-12en_ZA
dc.descriptionThesis (MScEng (Electrical and Electronic Engineering))--Stellenbosch University, 2008.en_ZA
dc.description.abstractThis thesis is aimed at testing commercially available CMOS amplifier ICs at 4 K. Super Conducting Electronics (SCE) will also be used to amplify RSFQ signals for easier detection by CMOS technology and better signal-to-noise ratios. The SCE comprises of a Suzuki stack amplifier, a 250 μA JTL and a DC-to-SFQ converter. The Suzuki stack amplifier is simulated in WRSPICE. It is able to amplify an SFQ signal synchronised with an external clock signal. The amplified signal can then be detected by a normal commercially available CMOS amplifier IC. To keep the noise in the signal to a minimum, the commercial amplifier must be be situated as close as possible to the SCE. The amplifier must therefore be able to operate at 4 K. Ten different amplifier ICs were tested and three was found that worked down to 4 K.en_ZA
dc.identifier.urihttp://hdl.handle.net/10019.1/1586
dc.language.isoenen_ZA
dc.publisherStellenbosch : Stellenbosch University
dc.rights.holderStellenbosch University
dc.subjectSuperconductorsen_ZA
dc.subjectElectronic amplifiersen_ZA
dc.subjectMetal oxide semiconductors, Complementaryen_ZA
dc.subjectDissertations -- Electronic engineeringen_ZA
dc.subjectTheses -- Electronic engineeringen_ZA
dc.subject.otherElectrical and Electronic Engineeringen_ZA
dc.titleCryogenic amplifiers for interfacing superconductive systems to room temperature electronicsen_ZA
dc.typeThesisen_ZA
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