Tunable filter utilizing a conductive grid
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United States of America Patent
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May 5, 2009
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N/A
app pub date -
Nov 21, 2007
filing date -
Nov 21, 2007
priority date (Note) -
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Abstract
A tunable filter includes a first resonator; a second resonator; and, a conductive grid assembly electrically coupled to the first and second resonators and coupled to ground. The conductive grid assembly alters the coupling between the first and second resonators. The conductive grid assembly preferably includes a conductive grid element electrically coupled to the first and second resonators; and, a ground coupling element connected between the conductive grid element and ground for altering the coupling between the conductive grid element and ground.
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