Rotatable elliptical dielectric resonators and circuits with such dielectric resonators
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United States of America Patent
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Apr 27, 2010
Grant Date -
Jul 12, 2007
app pub date -
Jan 12, 2006
filing date -
Jan 12, 2006
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Abstract
In accordance with principles of the present invention, a two or more pole dielectric resonator circuit is provided with resonators that are elliptical in cross section orthogonal to the longitudinal axis. The resonators are mounted so that they are rotatable about their longitudinal axes, such that the straight line distance between two adjacent resonators measured in a straight line between orthogonal to and intersecting the longitudinal axes of the two resonators is a function of the orientation of the resonators about their longitudinal axes. The resonators can be oriented about their longitudinal axes in any orientation to adjust their spacing, which is directly proportional to their coupling magnitude, which, in turn, is proportional to the bandwidth of the circuit.
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