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Modified bang-bang phase detector with ternary output

  • US 5,455,540 A
  • Filed: 10/26/1994
  • Issued: 10/03/1995
  • Est. Priority Date: 10/26/1994
  • Status: Expired due to Term
First Claim
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1. A method for controlling a dock generator comprising:

  • generating a dock signal;

    receiving a data signal from an external circuit;

    generating a first signal when a transition edge of said clock signal occurs after a transition edge of said data signal;

    generating a second signal when said transition edge of said clock signal occurs before said transition edge of said data signal; and

    generating a third signal when said data signal remains in a same signal state for at least two transition edges of a same type of said dock signal.

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