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Four-Pole Tunable Band-Pass Filter Based on Two Dual Mode SrTiO3 Disc Resonators

A. Deleniv
Department of Microtechnology and Nanoscience MC-2, Chalmers University of Technology, Sweden

A. Eriksson
Department of Microtechnology and Nanoscience MC-2, Chalmers University of Technology, Sweden

S. Gevorgian
Department of Microtechnology and Nanoscience MC-2, Chalmers University of Technology, Sweden \ Microwave and High Speed Research Center, Ericsson Microwave Systems, Sweden

Ladda ner artikelhttp://www.ep.liu.se/ecp_article/index.en.aspx?issue=008;article=071

Ingår i: GigaHertz 2003. Proceedings from the Seventh Symposium

Linköping Electronic Conference Proceedings 8:71, s.

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Publicerad: 2003-11-06

ISBN:

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

A four-pole tuneable band-pass filter based on two STO disc resonators (0.5mm thick; 7.0 mm in diameter) is designed and characterized experimentally. The filter with a center frequency about 0.5 GHz and bandwidth less than 2.0 % is utilised on two degenerate TM110 modes of parallel-plate resonators to operate at temperature 60K. The change in center frequency under DC bias 500V is about 8%.

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Referenser

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(2) S. Gevorgian; E. Carlsson.; E. Wikborg and E. Kollberg; ?Tunable Microwave Devices on Bulk and Thin Film Ferroelectrics?; Integrated Ferroelectrics; vol. 22; pp. 245-257; 1998.

(3) A. Eriksson; A. Deleniv; and S. Gevorgian; ?Two-pole tunable band pass filter based on YBCO plated single crystal KTO disk resonators?; IEEE Appl. Supercond.; Submitted Oct. 2001.

(4) A. Eriksson; P. Linnér and S. Gevorgian; ?Mode chart of electrically thin parallel-plate circular resonators?; IEE Proc.-Microw. Antennas Propag.; vol. 148; pp. 51-55; No.1; February 2000.

(5) R. Viana; P. Lunkenheimer; J. Hemberger; R. Böhmer; and A. Loidl; ?Dielectric Spectroscopy in SrTiO3?; Phys. Rev.B; Vol. 50; pp. 601-604.

(6) Tunable Filters; Pole/Zero Corp.

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