Patent 9991850 was granted and assigned to Skyworks Solutions, Inc. on June, 2018 by the United States Patent and Trademark Office.
An RF amplifier module that has a plurality of amplifiers wherein at least one of the amplifiers is powered via an envelope tracking module. The biasing input of at least one of the amplifiers is provided to the first amplifier to power the first amplifier to reduce power consumption. The first amplifier may also be powered via fixed biasing to provide greater stability of the module.