Generic BFIC Front-end Antenna Tile Assembly

A generic BFIC front-end antenna tile assembly, said front-end, comprising:

• a multilayer printed circuit board;
• at least one BFIC component;
• solder balls between the BFIC component and the external face of the printed circuit board;
• the multilayer printed circuit board comprising:
• at least one RF track in the printed circuit board ending at one end on the internal face of the printed circuit board in a connection, and ending at its other end in a connection on the external face of the printed circuit board;
• at least one ground track in the printed circuit board ending at one end on the internal face of the printed circuit board in a connection, and ending at its other end on the external face of the printed circuit board in a connection;
• the RF track(s) and ground track(s) comprising coaxial connections in each layer of the printed circuit board, a coaxial connection ending on each face in a coaxial pad, and microstrip lines to connect two coaxial pads of a track in inter-layers;
• and
• the internal layer of the printed circuit board comprising elementary groupings of one or two coaxial pads arranged according to a regular grid.