RF filter for adjusting coupling amount or transmission zero
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United States of America Patent
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Feb 6, 2018
Issued Date -
N/A
app pub date -
May 11, 2015
filing date -
Mar 31, 2011
priority date (Note) -
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Abstract
An RF filter, e.g. RF cavity filter for adjusting coupling amount or transmission zero is disclosed. The RF filter includes a housing member in which cavities are defined by walls, resonators located in the cavities, a cover combined with an upper surface of the housing member, a first tuning element inserted into a first cavity of the cavities through the cover, and a second tuning element inserted into a second cavity of the cavities through the cover. Here, the first tuning element and the second tuning element are connected electrically.
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