Tunable bandpass filter integrated circuit
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United States of America Patent
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Sep 1, 2015
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N/A
app pub date -
Jul 20, 2012
filing date -
Jul 20, 2012
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Abstract
A tunable bandpass filter integrated circuit includes a filter core including at least two spaced conductor layers, a plurality of peripherally spaced backside vias extending between the conductor layers defining a resonator cavity, at least one internal backside via, and a tunable impedance connected in series with the internal backside via between the conductor layers for adjusting the resonance of the cavity.
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