Patent ID: 11876489
Assignee: FALCOMM, INC.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A dual-drive based Doherty amplifier, comprising:
a power splitter;
a first power amplifier coupled to a first output of the power splitter; and
a second power amplifier that is coupled to a second output of the power splitter and that is in parallel with the first power amplifier,
wherein the second power amplifier receives a second output signal from the second output with a phase difference from a phase of a first output signal from the first output,
wherein at least one of the first power amplifier or the second power amplifier includes a dual-drive power amplifier core, and
wherein the dual-drive power amplifier core includes:
a transistor differential pair, each transistor having a gate terminal, a drain terminal, and a source terminal; and
a multi-feed coupling network configured to:
drive the dual-drive power amplifier core out-of-phase at the gate terminal and the source terminal by allowing the transistor differential pair to be driven out-of-phase at the gate terminal and the source terminal; and
allow the source terminal and the drain terminal to swing in-phase.