Method and apparatus for adaptive cancellation of distortion and phase noise
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United States of America Patent
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Nov 17, 2015
Grant Date -
Nov 14, 2013
app pub date -
May 11, 2012
filing date -
May 11, 2012
priority date (Note) -
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Abstract
An adaptive cancellation circuit and method are provided. The circuit includes a main path and an auxiliary path. The main path includes a first amplifier configured to output a first amplified signal to a first mixer. The main path is configured to output a first signal comprising a wanted signal component and a distortion component. The auxiliary path includes a second amplifier configured to output a second amplified signal to a second mixer. The second mixer is connected to a filter configured to remove the wanted signal component. The auxiliary path is configured to output a second signal including the distortion component.
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