MICROWAVE ACOUSTIC WAVE FILTERS
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United States of America Patent
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Issued Date -
Oct 30, 2014
app pub date -
Mar 13, 2014
filing date -
Mar 15, 2013
priority date (Note) -
Abandoned
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Abstract
An acoustic microwave filter comprises an input and an output, and a plurality of acoustic resonators coupled between the input and the output. The difference between the lowest resonant frequency and the highest resonant frequency of a plurality of resonators in the filter is at least 1.25 times the frequency separation of the resonator with the highest resonant frequency in the plurality of resonators.
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