Method and device for processing the DC offset of a radiofrequency reception subsystem
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United States of America Patent
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Oct 9, 2012
Grant Date -
Jan 28, 2010
app pub date -
Jul 20, 2009
filing date -
Jul 25, 2008
priority date (Note) -
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Abstract
A method may compensate for direct current (DC) offset in a radio frequency reception device. The method may include partitioning an analog portion of the reception device into a plurality of zones, for each zone, calibrating 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 DC offset compensation to be applied to the reception device throughout the operating range based on the basic DC offset compensations.
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