Adaptive harmonic distortion suppression in an amplifier utilizing negative gain
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United States of America Patent
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Sep 15, 2015
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app pub date -
Sep 30, 2013
filing date -
Jul 7, 2013
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Abstract
Techniques are described herein that adaptively suppress harmonic distortion in an amplifier utilizing negative gain. The amplifier includes a first amplifier stage and a second amplifier stage, which are coupled in parallel. The first amplifier stage has a positive gain. The second amplifier stage has a negative gain to suppress total harmonic distortion of a system that includes the amplifier. The amplifier further includes shunt-peaking circuitry coupled to the first amplifier stage and the second amplifier stage to increase a maximum operating frequency at which the amplifier is capable of operating.
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