Development of L-band and C-band superconducting planar filters for wireless systems (Contributo in atti di convegno)

Type
Label
  • Development of L-band and C-band superconducting planar filters for wireless systems (Contributo in atti di convegno) (literal)
Anno
  • 2000-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/APMC.2000.925902 (literal)
Alternative label
  • ANDREONE A; CASSINESE A; IAVARONE M; ORGIANI P; PALOMBA F; PICA G; SALLUZZO M; VAGLIO R (2000)
    Development of L-band and C-band superconducting planar filters for wireless systems
    in Asia Pacific Microwave Conference
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • ANDREONE A; CASSINESE A; IAVARONE M; ORGIANI P; PALOMBA F; PICA G; SALLUZZO M; VAGLIO R (literal)
Pagina inizio
  • 581 (literal)
Pagina fine
  • 586 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=925902 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • I.N.F.M. and Universita' di Napoli \"Federico II\", Piazzale Tecchio 80, I-80125, Napoli, Italy (literal)
Titolo
  • Development of L-band and C-band superconducting planar filters for wireless systems (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 0-7803-6435-X (literal)
Abstract
  • We report on the progress in the fabrication process of high temperature superconducting (HTS) films and the design and realization of planar filters for both receiving and transmitting telecommunications systems. Double-sided thin films having dimensions ranging from 1 to 5 cm are grown fully in situ on (100) LaAlO3 substrates by a high oxygen pressure d.c. sputtering technique. Deposition of highly epitaxial c-axis films of YBa2Cu3O7-d (YBCO), YNdxBa2-xCu3O7-d (Y-NBCO) and Nd1+xBa2-xCu3O7-d (NBCO) having critical temperatures of about 88 K and very low values of surface losses is routinely carried out. Multipole L-band forward coupled filters with a Tchebischev response having the whole 75 MHz band or a 25 MHz wide sub-band of the DCS1800 frequency allocation have been designed and tested. Dual mode C-band filters based on cross slotted square resonators with a miniaturised size and high power handling capability are also presented. Device characteristics have been studied as a function of operating temperature and input power. The linearity in the filter response has been also tested by measuring two-tone intermodulation distortion. (literal)
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