Model based distortion reduction for power amplifiers

Details Model based distortion reduction for power amplifiers Model based distortion reduction for power amplifiers

H - Electricity

03

F

H03F 1/32 (2006.01) H03F 1/34 (2006.01) H03F 3/20 (2006.01)

Patent

CA 2560281

A method of processing a signal is disclosed. The method comprises generating a digital signal, converting the digital signal to an analog signal, and generating an amplified analog signal having distortions. The method further comprises converting the amplified analog signal to a feedback digital signal at a sample rate and' updating a model of the distortions based on the feedback digital signal.

La présente invention concerne un procédé pour traiter un signal. Le procédé comprend la production d'un signal numérique, la conversion du signal numérique en un signal analogique, et la production d'un signal analogique amplifié présentant des distorsions. Le procédé comprend également la conversion du signal analogique amplifié en un signal numérique de retour à une certaine vitesse d'échantillonnage, et la mise à jour d'un modèle des distorsions sur la base du signal numérique de retour.

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