Patent 9716477 was granted and assigned to PEREGRINE SEMICONDUCTOR CORP. on July, 2017 by the United States Patent and Trademark Office.
Various methods and circuital arrangements for biasing one or more gates of stacked transistors of an amplifier are presented, where the amplifier can be an envelope tracking amplifier. Circuital arrangements to generate reference gate-to-source voltages for biasing of the gates of the transistors of the stack are also presented. Particular biasing for a case of an input transistor of the stack is also presented.