Extended operational bandwidth amplifiers with fractional instantaneous bandwidth feed forward correction
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United States of America Patent
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Nov 3, 2020
Grant Date -
Jul 2, 2020
app pub date -
Dec 28, 2018
filing date -
Dec 28, 2018
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Abstract
Apparatus and method for extended operational bandwidth amplifiers with fractional instantaneous bandwidth feed forward correction. In one embodiment, the method includes amplifying a radio frequency (RF) input signal to provide an amplified RF signal and introducing a first delay in the amplified RF signal. The method also includes receiving an error signal of the amplified RF signal and centering a correction bandwidth with respect to the amplified RF signal. The method also includes amplifying the error signal and combining the amplified RF signal and the amplified error signal to reduce an error in the amplified RF signal. The first delay is smaller than a second delay caused by the error path.
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