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Receiver based power efficient transmitter for ethernet

  • US 8,867,352 B2
  • Filed: 04/29/2010
  • Issued: 10/21/2014
  • Est. Priority Date: 12/31/2009
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a transceiver configured to operate in full-duplex mode, the transceiver comprising a transmitting portion and a receiving portion, wherein;

    the transmitting portion is configured to transmit a first signal comprising a first magnitude value, andthe receiving portion is configured to receive a second signal comprising a second magnitude value;

    an analog-to-digital converter configured to determine the second magnitude value; and

    a controller coupled to the analog-to-digital converter and configured to generate a control signal based on the second magnitude value,wherein the control signal adjusts current driving the transmitting portion to a minimum current value that is required to generate a third signal comprising a third magnitude value, the third magnitude value being equal to a sum of the first and second magnitude values.

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