Patent 10454433 was granted and assigned to Qorvo on October, 2019 by the United States Patent and Trademark Office.
An amplifier assembly for a spatial power combining device. The amplifier assembly includes a body that forms a first antenna, wherein the first antenna is a first Vivaldi antenna including a first circular backstub and a first tapered slot portion. The amplifier assembly further includes a second antenna, and a printed circuit board (PCB) assembly fixed to the body. The PCB assembly includes a PCB, an amplifier mounted on the PCB, a first transmission line coupled to the first antenna and to the amplifier, and a second transmission line coupled to the second antenna and to the amplifier.