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Method and device for processing the DC offset of a radiofrequency reception subsystem

  • US 8,285,236 B2
  • Filed: 07/20/2009
  • Issued: 10/09/2012
  • Est. Priority Date: 07/25/2008
  • Status: Active Grant
First Claim
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1. A method of compensating for direct current (DC) offset in a radio frequency reception device, the method comprising:

  • partitioning an analog portion of the reception device into a plurality of zones;

    for each zone, calibrating an initial DC offset compensation to be applied within an operating range of a respective zone, the operating range of the other zones being limited to a threshold operating range; and

    determining an actual DC offset compensation to be applied to the plurality of zones based on the initial DC offset compensations.

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