Patent ID: 8362649
Filing Date: 2013-01-29
Classification: H02J

Abstract:
1. A method of a multi-use voltage regulator providing a supply voltage to a power amplifier and at least one other device comprising: generating a plurality of regulated voltage supplies from an unregulated voltage; determining an output signal power level of the power amplifier; selecting a one of the regulated plurality of voltage supplies and the unregulated voltage supply as a power amplifier voltage supply for the power amplifier based at least in part on the output signal power level of the power amplifier; wherein if the selected power amplifier voltage supply is one of the plurality of regulated voltage supplies, then simultaneously providing the selected one of the plurality of regulated voltage supplies to the power amplifier and the at least one other device; and further comprising selecting the power amplifier voltage supply at a rate at least as great as a rate in which the determined output signal power level changes more than a threshold.