Sarnoff Corporation

David McGee

Aly Eid Fathy

Louis Sebastian Napoli

Francis J McGinty

A planar polarizer feed network comprising a six port branch coupler having two input ports and four output ports. The output ports are designed to have the same amplitude while their phases are sequentially offset by 90 degrees when fed from a first input port or by minus 90 degrees when fed from a second input port. In one embodiment, each output port is coupled to an aperture coupled antenna array comprising four slots and four patch antenna elements. In this arrangement, an RF signal may be coupled to each of the two input ports to couple properly phased signals to each of the antenna elements to simultaneously form both right-hand and left-hand circularly polarized signal emitted from the planar array of antenna elements.

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Hopewell, NJ, United States of America

David McGee