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Direct conversion receiver architecture

  • US 20050208916A1
  • Filed: 05/16/2005
  • Published: 09/22/2005
  • Est. Priority Date: 02/16/2001
  • Status: Active Grant
First Claim
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1. A method of processing a desired signal in a wireless communication system, comprising:

  • amplifying the desired signal with a first gain having a coarse resolution;

    downconverting the amplified signal from radio frequency (RF) to baseband with a single frequency downconversion stage;

    digitizing the downconverted signal to provide samples; and

    digitally amplifying the samples with a second gain having a fine resolution to provide output data having a desired signal amplitude.

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