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Method and apparatus for performing DC offset cancellation in a receiver

  • US 20040166824A1
  • Filed: 02/24/2004
  • Published: 08/26/2004
  • Est. Priority Date: 11/14/2000
  • Status: Active Grant
First Claim
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1. A method for suppressing DC offset within a baseband signal in a receiver, comprising:

  • receiving a baseband signal having a DC offset;

    generating a first amplified signal using said baseband signal;

    generating a second amplified signal using said baseband signal, said second amplified signal having reduced high frequency content compared to said first amplified signal; and

    subtracting said second amplified signal from said first amplified signal to generate an output baseband signal having reduced DC offset.

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