Tunable microwave filters with controlled ferroelectric capacitors

Microwave microstrip resonators and filters controlled by ferroelectric capacitors have been simulated and experimentally studied. Control at room temperature and under cryogenic conditions has been ensured by capacitors based on BSTO and STO films, respectively. Cooled devices based on YBa 2 Cu 3 O...

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Bibliographic Details
Published in:Technical physics letters 2013-09, Vol.39 (9), p.838-841
Main Authors: Zameshaeva, E. Yu, Turalchuk, P. A., Turgaliev, V. M., Odit, M. A., Munina, I. V., Kolmakova, I. V., Semenov, A. A., Vendik, I. B., Vendik, O. G.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Physics
Physics and Astronomy
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Summary:Microwave microstrip resonators and filters controlled by ferroelectric capacitors have been simulated and experimentally studied. Control at room temperature and under cryogenic conditions has been ensured by capacitors based on BSTO and STO films, respectively. Cooled devices based on YBa 2 Cu 3 O 7-δ high-temperature superconducting films have been fabricated. The developed filters are efficiently tuned by applying a control voltage, are small, and have a low level of introduced losses.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785013090241