Electromagnetic filter having side-coupled resonators each locat

Wave transmission lines and networks – Miscellaneous

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333202, 333219, 333230, 505210, 505866, H01P 1201

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058382135

ABSTRACT:
An electromagnetic filter includes a plurality of dielectrically-loaded split-ring resonators. The resonators are oriented side-by-side generally within a single plane to achieve side-coupling. The side-coupled orientation of the resonators allows adjacent resonators to be set apart at a distance to achieve electrical coupling. Both the side-coupled orientation of the resonators and the dielectric-loading result in significant volumetric reductions without detrimental decreases in the quality factor of the filter. Coupling screws disposed between adjacent resonators provide further control over the coupling between adjacent resonators.

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