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Circuitry for active cable

  • US 8,516,238 B2
  • Filed: 06/30/2011
  • Issued: 08/20/2013
  • Est. Priority Date: 06/30/2010
  • Status: Active Grant
First Claim
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1. An active cable comprising:

  • a cable;

    a first plug connected to a first end of the cable and comprising;

    a first clock and data recovery circuit to retime signals received at an input of the first plug;

    a second clock and data recovery circuit to retime signals received from the cable; and

    a first microcontroller to configure the first clock and data recovery circuit and the second clock and data recovery circuit; and

    a second plug connected to a second end of the cable and comprising;

    a third clock and data recovery circuit to retime signals received at an input of the second plug;

    a fourth clock and data recovery circuit to retime signals received from the cable; and

    a second microcontroller to configure the third clock and data recovery circuit and the fourth clock and data recovery circuit,wherein the first microcontroller can configure an output of the first clock and data recovery circuit to couple to an input of the second clock and data recovery circuit.

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