Input drive control for switcher regulated power amplifier...

H - Electricity – 03 – G

Patent

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H03G 3/20 (2006.01) H04W 52/02 (2009.01) H03F 3/20 (2006.01) H04B 1/04 (2006.01)

Patent

CA 2616323

Various embodiments described herein relate to a power management block and an amplification block used in the transmitter of a communication subsystem. The power management block provides improved control for the gain control signal provided to a pre-amplifier and the supply voltage provided to a power amplifier which are both in the amplification block. The power expended by the power amplifier is optimized by employing a continuous control method in which one or more feedback loops are employed to take into account various characteristics of the transmitter components and control values.

Divers modes de réalisation de l'invention se rapportent à un bloc de gestion de la puissance et à un bloc d'amplification utilisés dans l'émetteur d'un sous-système de communication. Le bloc de gestion de la puissance offre une meilleure régulation du signal de commande de gain transmis à un préamplificateur et de la tension d'alimentation transmise à un amplificateur de puissance qui sont l'un et l'autre dans le bloc d'amplification. La puissance utilisée par l'amplificateur de puissance est optimisée en employant un procédé de régulation continue dans lequel une ou plusieurs boucles de rétroaction sont employées pour prendre en compte diverses caractéristiques des éléments de l'émetteur et des valeurs de commande.

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