SYSTEMS AND METHODS OF COMPENSATING FOR NARROWBAND DISTORTION IN POWER SEMICONDUCTOR DEVICES

The invention relates to a system and method for compensating for narrowband distortion in a power semiconductor device. Some embodiments herein describe a radio frequency power semiconductor device that includes a first non-linear filter network for compensating for lower frequency noise of a power...

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Hauptverfasser: PRATT PATRICK J, CHEN DONG, CHANDRASEKARAN PRAVEEN, SUMMERFIELD STEVE, COPE MARK, MAYER CHRISTA
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to a system and method for compensating for narrowband distortion in a power semiconductor device. Some embodiments herein describe a radio frequency power semiconductor device that includes a first non-linear filter network for compensating for lower frequency noise of a power amplifier. The first non-linear filter network can include a plurality of infinite impulse response filters and corresponding corrective elements to correct for a non-linear portion of the power amplifier. The radio frequency power semiconductor device can further include a second non-linear filter network for compensating for broadband distortion. The second non-linear filter network can be connected in parallel to the first non-linear filter network. The broadband distortion can include digital predistortion and the narrowband distortion can include charge trapping effects. The first non-linear filter network can comprise Laguerre filters. The second non-linear filter network can comprise general memory polynomi