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微波梳状滤波器

资料介绍
Transitional Combline Evanescent Mode Microwave FiltersWElC-2
TRANSITIONAL COMBLINE/EVANESCENT MODE MICROWAVE FILTERS

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Ralph Levyt, Hui-Wen Yaos, and Kawthar A. Zakitt

t R. Levy Associates, 1897 Caminito Velasco, La Jolla, CA 92037

tt Electrical Engineering Depa”rtment, University of Maryland , College Park, MD 20742

$ CTA Incorporated, 6116 Executive Blvd., Rockville, MD 20852

ABSTRACT
Traditional combline filter theory based on TEM mode coupling results in bandwidths which are too large, the increase being a function of the ground plane spacing t o wavelength ratio b / X . As the b / X ratio increases from 0 to 0.35 the bandwidth ratio BWR, defined as actual bandwidth/TEM bandwidth, increases from unity to over 2:l. This bandwidth increase has now been confirmed by calculation of the coupling coefficient bet,weeri combline resonators
微波梳状滤波器
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