Electronic devices with differential LC filters
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United States of America Patent
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Feb 20, 2024
Grant Date -
Dec 7, 2023
app pub date -
Jun 2, 2022
filing date -
Jun 2, 2022
priority date (Note) -
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Abstract
An electronic device may include wireless circuitry having an LC filter. The LC filter may include first and second series inductors coupled between the input and output of the LC filter. An input capacitor can be coupled at the input of the LC filter, and an output capacitor can be coupled at the output of the LC filter. Feedforward capacitors can be cross-coupled with the first and second series inductors to at least partially or fully cancel out any parasitic capacitance associated with the first and second series inductors to mitigate any undesired self-resonant effects associated with the series inductors.
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