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Novel Band-Pass Filter Utilizing S-shaped Slot Line 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

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

Ladda ner artikelhttp://www.ep.liu.se/ecp_article/index.en.aspx?issue=008;article=021

Ingår i: GigaHertz 2003. Proceedings from the Seventh Symposium

Linköping Electronic Conference Proceedings 8:21, s.

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Publicerad: 2003-11-06

ISBN:

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

Abstract

A novel band-pass filter is designed and verified experimentally. The filter consists of five Sshaped slot-line resonators; which are aligned to form an array of coupled slots. The simulated filter pass-band is centered at 1.77 GHz with 0.6% bandwidth and with an exception of small frequency shift (20MHz) shows rather good agreement with measured data. Hightemperature superconducting (YBCO) film on 1mm thick LaAlO3 substrate us used to achieve low insertion loss (-0.6dB at 77K). The filter design is based on the full-wave model of coupled slots; which enables a possibility of quick and accurate circuit simulations using the duality principle.

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Referenser

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