Reconfigurable high linearity low noise figure receiver requiring no interstage saw filter
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 15, 2009
app pub date -
Sep 18, 2008
filing date -
Apr 15, 2008
priority date (Note) -
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Abstract
A receiver includes a jammer detector configured to detect the presence or the absence of jamming in a communication signal within a gain state. The receiver further includes an amplifier configured to amplify the communication signal in a high linearity receiving mode or a low linearity receiving mode, wherein the high linearity receiving mode corresponds with a lower gain for the gain state in the amplifier relative to that of the low linearity receiving mode. In addition, the receiver includes a processing unit coupled to the jammer detector, the processing unit being configured to control the amplifier to amplify the communication signal in either the high linearity receiving mode or the low linearity receiving mode, based on the output of the jammer detector detecting the presence or the absence of jamming in the communication signal. A method is also provided for processing a communication signal in a receiver.
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