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POWER COUPLING CIRCUITS FOR SINGLE-PAIR ETHERNET WITH AUTOMOTIVE APPLICATIONS

  • US 20160308683A1
  • Filed: 04/13/2016
  • Published: 10/20/2016
  • Est. Priority Date: 04/14/2015
  • Status: Active Grant
First Claim
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1. A circuit for power over data line (PoDL) injection, the circuit comprising:

  • a power source configured to provide one or more DC voltage levels;

    a first coupling component configured to couple the power source to an interface for coupling to a transmission medium; and

    an Ethernet device coupled through a second coupling component to the interface,wherein;

    the first coupling component is a balanced component, andthe Ethernet device is isolated from the power source via a pair of DC blocking capacitors connected between the first coupling component and the second coupling component.

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