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Narrow-band YBCO superconducting parallel-coupled coplanar waveguide band-pass filters at 10 GHZ

  • R. Weigel
  • , M. Nalezinski
  • , A. A. Valenzuela
  • , P. Russer
  • Technical University of Munich

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

11 Scopus citations

Abstract

High-Tc superconducting coplanar waveguide (CPW) three-pole, four-pole, and five-pole band-pass filters fabricated from in situ sputter deposited YBa2Cu3O7-x thin-films on LaAlO3 substrates with dimensions 10×25 mm2 are presented. The design is based on the evaluation of CPW test chips integrating differing resonators and transmission line structures. The measured data were fed into a CAD program using general transmission line elements instead of CPW elements. Both YBCO and gold versions were constructed and mounted in gold-plated brass test fixtures. At liquid nitrogen temperature (77 K), the filters were characterized by center frequencies at 10 GHz and bandwidths smaller than 1.3%. Total insertion loss and out-of-band rejection values of the complete packaged devices were better than 2.2 dB and 30 dB, respectively.

Original languageEnglish
Title of host publicationIEEE MTT-S International Microwave Symposium Digest
PublisherPubl by IEEE
Pages1285-1288
Number of pages4
ISBN (Print)0780312090
StatePublished - 1993
EventProceedings of the 1993 IEEE MTT-S International Symposium on Circuits and Systems, Part 4 (of 4) - Atlanta, GA, USA
Duration: 14 Jun 199318 Jun 1993

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
Volume3
ISSN (Print)0149-645X

Conference

ConferenceProceedings of the 1993 IEEE MTT-S International Symposium on Circuits and Systems, Part 4 (of 4)
CityAtlanta, GA, USA
Period14/06/9318/06/93

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