RF filters and multiplexers with resonator decouplers
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United States of America Patent
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Jun 27, 1995
Grant Date -
N/A
app pub date -
Dec 10, 1993
filing date -
Dec 10, 1993
priority date (Note) -
Expired
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Abstract
An RF filter having a housing defining a cavity with plural elongated resonators and plural resonator decouplers adjacent each of plural pairs of the resonators in the housing. The decouplers are grounded adjacent each of their ends only to the housing to provide an enhanced resonator decoupling effect. The filter may instead comprise a dielectric block with resonator holes and resonator decoupler holes each appropriately metalized with the decoupler holes being grounded at each end at external metalized block surfaces.
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