Narrow-band 10-pole Y-Ba-Cu-O filter on sapphire substrate

Citation
I. Vendik et al., Narrow-band 10-pole Y-Ba-Cu-O filter on sapphire substrate, IEEE APPL S, 11(1), 2001, pp. 361-364
Citations number
14
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN journal
1051-8223 → ACNP
Volume
11
Issue
1
Year of publication
2001
Part
1
Pages
361 - 364
Database
ISI
SICI code
1051-8223(200103)11:1<361:N1YFOS>2.0.ZU;2-Q
Abstract
ln tills paper we present the design procedure of HTS bandpass filters on s apphire substrate. The filter with 0.4% fractional bandwidth in S-band was designed using an effective CAD tool, based on spectral domain approach. Th e filter is based on hairpin resonators exhibiting unloaded Q up to 43000 a t T = 77 K. The anisotropy of the dielectric permittivity of sapphire subst rate and the YBCO film contribution in the propagating characteristics have been taken into account. Substrate characteristics and YBCO film model par ameters were extracted from microstrip and hairpin resonator measurements. These parameters were used in the filter simulation procedure.