Circuit for Signal Transfer and Galvanic Isolation
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United States of America Patent
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Issued Date -
Aug 6, 2015
app pub date -
Jul 26, 2013
filing date -
Aug 24, 2012
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Abandoned
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Abstract
A circuit for signal transfer and galvanic isolation between first and second digital signal processing units, wherein a first signal path is provided between the first and second signal processing units. The first signal path has a first section, which includes positive and negative signal lines and serves for transfer of a differential signal between the first and second signal processing units. At least one capacitor is provided in the positive signal line and at least one capacitor in the negative signal line. The capacitors serve for galvanic isolation between the first signal processing unit and the second signal processing unit, and the capacitors are embodied, in each case, according to the specifications of the ignition protection type, intrinsic safety.
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