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Apparatus and method to provide a local oscillator signal

  • US 7,154,346 B2
  • Filed: 07/30/2004
  • Issued: 12/26/2006
  • Est. Priority Date: 07/30/2004
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a local oscillator circuit to provide a digital representation of a local oscillator signal;

    a digital-to-analog converter (DAC) to convert the digital representation to an analog signal; and

    a circuit to provide first and second quadrature components of the local oscillator signal, based on the analog signal;

    wherein the circuit includes a phase locked loop (PLL) to generate the local oscillator signal based on the analog signal.

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