Miniaturized hairpin superconducting filters for telecommunications applications
Journal Publication ResearchOnline@JCUBarra, 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.
Journal
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Volume
35
ISBN/ISSN
1098-2760
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Issue
5
Pages Count
3
Location
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Publisher
Wiley Periodicals
Publisher Url
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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