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Variable decision threshold apparatus

  • US 20050062530A1
  • Filed: 08/03/2004
  • Published: 03/24/2005
  • Est. Priority Date: 08/19/2003
  • Status: Active Grant
First Claim
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1. A variable decision threshold apparatus comprising:

  • a comparator having at least one first input for receiving an input signal, a second input for receiving a decision threshold level control signal and at least one output for providing a signal based on a comparison of the input signal and a decision threshold level;

    a signal strength monitor for determining the strength of the input signal and having an output for providing a signal depending on the strength of the input signal; and

    a threshold level controller having a first input coupled to the output of the signal strength monitor and an output, coupled to the second input of the comparator, for providing the decision threshold level control signal depending on the strength of the input signal.

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