Low Cross Feed Marine Sensors
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
May 12, 2023
filing date -
May 12, 2023
priority date (Note) -
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Abstract
A marine sensor system includes an enclosure that defines an interior volume. The enclosure is configured to be immersed in water. A sensor having a positive output node and a negative output node is disposed within the interior volume of the enclosure. A first parasitic capacitance between the positive output node and the enclosure is substantially equal to a second parasitic capacitance between the negative output node and the enclosure. A cross feed signal that is propagated through a path in water outside the enclosure is coupled to the output nodes in a balanced manner, which enables a differential amplifier to reject the cross feed noise.
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