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Cross-coupled HTS microstrip open-loop resonator filter on LAO substrate

This paper presents the recent investigation of implementing an 8-pole cross-coupled high temperature superconductor (HTS) microstrip open-loop resonator filter on an LaAlO/sub 3/ substrate for mobile communication applications. The filter was designed to have a pass band from 1770 to 1785 MHz, and...

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Bibliographic Details
Main Authors: Jia-Sheng Hong, Lancaster, M.J., Mage, J.-C.
Format: Conference Proceeding
Language:English
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Summary:This paper presents the recent investigation of implementing an 8-pole cross-coupled high temperature superconductor (HTS) microstrip open-loop resonator filter on an LaAlO/sub 3/ substrate for mobile communication applications. The filter was designed to have a pass band from 1770 to 1785 MHz, and fabricated using double sided YBCO thin film on a wafer of size 0.5/spl times/23.5/spl times/39 mm. A very encouraging performance has been achieved. The influence of unwanted cross couplings on the filter response, which is of importance for further development is addressed.
ISSN:0149-645X
DOI:10.1109/MWSYM.1999.780254