Patent ID: 7215220

Claim:
A power combining device comprising: an input port; an input waveguide section in communication with the input port; an output port; an output waveguide section in communication with the output port; and a center coaxial waveguide section in communication with the input waveguide section and the output waveguide section, the center coaxial waveguide section having a central longitudinal axis and including a plurality of antipodal finline structures arranged radially about said central axis, and further including a plurality of active elements associated with the antipodal finline structures, wherein the center coaxial waveguide section comprises a plurality of trays disposed radially about the central axis, each tray including a carrier, generally wedge-shaped in cross-section, on which a pair of antipodal finline structures of the plurality of antipodal finline structures is mounted, and an active element of the plurality of active elements associated with said pair.