NDLI: High-speed switching and logic circuits using Josephson devices

Content Provider	IEEE Xplore Digital Library
Author	Chan, H. Lum, W. Duzer, T.
Copyright Year	1965
Abstract	We have investigated the use of Josephson devices as switching components for computer circuits. One part of this work is a study of the switching properties of the superconductor-semiconductor-superconductor junction. The switching speeds of a single junction and a basic memory cell, computed by numerical methods, are comparable with the corresponding values for oxide-barrier junctions. Having a much lower Q than the conventional oxide-barrier junction, it should not have the previously experienced difficulties caused by junction resonances. The damping of plasma oscillations in the semiconductor junction is also more effective, leading to a shorter switching time. A new type of logic gate employing Josephson devices has been investigated. This circuit would automatically unlatch after each operation, thus requiring no external means for resetting. Numerical analysis predicts subnanosecond switch-reset operation for appropraite parameter choices. The qualitative behavior of the circuit has also been shown with a mechanical analog.
Sponsorship	IEEE Magnetics Society
Starting Page	770
Ending Page	773
Page Count	4
File Size	412061
File Format	PDF
ISSN	00189464
Volume Number	11
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1975-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switching circuits Logic circuits Superconducting devices Josephson junctions Superconducting logic circuits Resonance Damping Plasma devices Lead compounds Logic gates
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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