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Frequency plan for GPS receiver

  • US 7,197,089 B2
  • Filed: 08/30/2002
  • Issued: 03/27/2007
  • Est. Priority Date: 08/30/2002
  • Status: Expired due to Fees
First Claim
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1. A GPS receiver comprising:

  • downconversion ion circuitry adapted to receive a GPS input signal with a center frequency of 308F and a first synthesizer output signal having a center frequency of 272F and provide a downconverted output signal having a center frequency of 36F;

    a frequency synthesizer adapted to provide said first synthesizer output signal and a second synthesizer output signal having a center frequency of 8.5F; and

    sampling circuitry operatively associated with said down conversion circuitry and adapted to be driven by said second synthesizer output signal and provide a digitized output signal with a center frequency of 2F, wherein said digitized output signal includes GPS information carried in said GPS input signal and F is a reference frequency.

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