High-TC Superconducting Phase Shifters

An extensive study of problems related to the development of microwane digital phase shifters based on S-N transition of HTSC films under dc control current is performed. A new geometry for the HTSC switch with reduced inductivity is proposed. A design procedure and results of experimental investiga...

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Bibliographic Details
Published in1994 24th European Microwave Conference Vol. 2; pp. 1906 - 1911
Main Authors Vendik, I.B., Gaidukov, M.M., Kaparkov, D.I., Kozyrev, A.B., Kuznetsov, V.V., Osadchiy, V.N.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.1994
Subjects
Dielectric substrates
Geometry
Insertion loss
Microwave technology
Phase shifters
Reflection
Superconducting films
Superconducting microwave devices
Surface resistance
Switches
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Summary:An extensive study of problems related to the development of microwane digital phase shifters based on S-N transition of HTSC films under dc control current is performed. A new geometry for the HTSC switch with reduced inductivity is proposed. A design procedure and results of experimental investigation of 180-degrees phase shifters are presented. In the case of YBCO films on sapphire substrates no degradation effects in the S-N switches under dc and pulsed current were observed.
DOI:10.1109/EUMA.1994.337499