Resonant circuit and high-frequency filter
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United States of America Patent
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Jan 22, 2019
Grant Date -
Jul 14, 2016
app pub date -
Mar 24, 2016
filing date -
Sep 26, 2013
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Abstract
A resonant circuit includes a resonator. An inductor is connected in parallel with the resonator. An inductor is connected in series with the parallel circuit formed of the resonator and the inductor. Further, a variable capacitor is connected in parallel with a series circuit formed of the inductor and the parallel circuit formed of the resonator and the inductor. The variable capacitor is connected in series with these circuits. As a result, a resonant circuit and a high-frequency filter supporting more communication signals are provided.
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