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Low temperature linear amplifiers
Thesis

Low temperature linear amplifiers

Richard J. Allen III
Master of Science (M.S.), Drexel Institute of Technology
1959
DOI:
https://doi.org/10.17918/00005966
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Allen_Richard_1959110.79 MB
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Abstract

The field of cryogenic physics is reviewed with emphasis on electronic applications. The cryotron, a cryogenic electronic component with promise for use in linear amplification is described. A means is developed for constructing characteristic curves for these components, based on early published data. Various circuit configurations are analyzed and evaluated for performance as linear amplifiers. The method of constructing specimen components is presented. The data obtained showed the components did not perform as well as anticipated. The transition curves were not sufficiently smooth, and much is yet to be learned about thin superconducting films. At the present state of development insufficient knowledge of the phenomena encountered prevents an ultimate evaluation of the capabilities of a cryogenic linear amplifier. Means of improving the components, and approaches for further research are discussed.

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