Harmonic selective full-band capture receiver with digital harmonic rejection calibration
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United States of America Patent
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Jul 17, 2018
Grant Date -
Feb 15, 2018
app pub date -
Aug 18, 2016
filing date -
Aug 15, 2016
priority date (Note) -
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Abstract
A receiver includes circuitry configured to determine one or more first local oscillator (LO) harmonics that correspond to one or more first spectrum segments of a down-converted received signal based on characteristics of the received signal. The one or more first LO harmonics of the received signal are amplified by applying one or more first transconductance coefficients to one or more first harmonic selective transinductance amplifiers (TIAs) corresponding to the one or more first spectrum segments. Digitized outputs of the plurality of harmonic selective TIAs are calibrated based on an amount of signal leakage between the plurality of spectrum segments of the down-converted received signal.
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