High Tc superconductor re-entrant cavity filter structures

Microwave cavity filters are widely used in high frequency communication systems for high quality factor signal filtering. However, their large size makes it inconvenient for them to be used at lower operating frequencies especially in the 1-4 GHz frequency range of most of the present day commercia...

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Published in:Physica. C, Superconductivity Superconductivity, 2005-09, Vol.425 (1-2), p.44-51
Main Authors: PANDIT, Himanshu, DONGLU SHI, BABU, N. Hari, CHAUD, X, CARDWELL, D. A, HE, P, ISFORT, D, TOURNIER, Robert, MAST, David, FERENDECI, Altan M
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Language:English
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Applied sciences
Electronics
Exact sciences and technology
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
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cited_by cdi_FETCH-LOGICAL-c3040-74ee4d87160e4406ee18fc93c2285b7e562864503b277d4818943a5828d058043
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container_title Physica. C, Superconductivity
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creator PANDIT, Himanshu
DONGLU SHI
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FERENDECI, Altan M
description Microwave cavity filters are widely used in high frequency communication systems for high quality factor signal filtering. However, their large size makes it inconvenient for them to be used at lower operating frequencies especially in the 1-4 GHz frequency range of most of the present day commercial wireless applications. In order to improve their performance and to reduce their overall size, superconducting cavity filters were designed and simulated. Cylindrical and re-entrant cavity filters were fabricated, using seeded melt grown yttrium barium copper oxide high temperature superconductors. The resonant characteristics of these filters were measured, verifying the concept that small, high Q, cavity filters can be made for wireless applications.
doi_str_mv 10.1016/j.physc.2005.05.010
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subjects Applied sciences
Electronics
Exact sciences and technology
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
title High Tc superconductor re-entrant cavity filter structures
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