Miniaturized hairpin superconducting filters for telecommunications applications

Journal Publication ResearchOnline@JCU
Barra, M.;Cassinese, A.;Cirillo, M.;Jacob, M.V.;Russo, R.;Vaglio, R.
Abstract

Using miniaturized hairpin resonators and following the Chebychev model, we have designed and fabricated superconducting filters with a centre frequency of 2.2 GHz and a bandwidth of 5 MHz. The measured unloaded Q-factor of the resonator fabricated on LaAlO3 using YBCO thin film is 47,000 at 60 K. Prototype filters with three and four poles have been realized by using Nb thin films. The measured performances do not show appreciable degradations up to 10 dBm.

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Volume

35

ISBN/ISSN

1098-2760

Edition

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Issue

5

Pages Count

3

Location

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Publisher

Wiley Periodicals

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Publisher Location

New York, USA -NY

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Date

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EISSN

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DOI

10.1002/mop.10607