Miniaturized hairpin superconducting filters for telecommunications applications

Barra, M., Cassinese, A., Cirillo, M., Jacob, M.V., Russo, R., and Vaglio, R. (2002) Miniaturized hairpin superconducting filters for telecommunications applications. Microwave & Optical Technology Letters, 35 (5). pp. 360-362.

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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.

Item ID: 4398
Item Type: Article (Refereed Research - C1)
Keywords: microwave filters; superconductors
ISSN: 1098-2760
Date Deposited: 11 Jun 2009 01:55
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091201 Ceramics @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890199 Communication Networks and Services not elsewhere classified @ 100%
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