Radio frequency antenna and mixer array

Details Radio frequency antenna and mixer array Radio frequency antenna and mixer array

1993-06-14

1995-03-07

Urban, Edward F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455314, 455326, 343795, 343700MSFile, H04B 128

Patent

active

053966589

ABSTRACT:
A radio frequency millimeter-wave signal antenna and mixer system includes a dielectric substrate having a generally planar upper surface, and a ground-plane layer of conductive material disposed below the upper surface. This ground plane layer includes a plurality of spaced-apart low conductivity sections or windows to allow passage therethrough of radio frequency signals received at a surface of the substrate. A plurality of antennae are disposed on the upper surface of the substrate, with each antenna being positioned over a respective one of the windows in the ground-plane layer. A plurality of mixers are also disposed on the upper surface of the substrate, each adjacent a respective antenna for receiving radio frequency signals therefrom and for producing intermediate frequency signals. A plurality of output conductors are formed on the upper surface of the substrate, each being coupled to a respective mixer to extend therefrom alongside the antenna from which respective mixer receives radio frequency signals. The output conductors carry intermediate frequency signals from the respective mixers to the edge of the substrate.

REFERENCES:
patent: 4607394 (1986-08-01), Nightingale
patent: 4980925 (1990-12-01), Blustine et al.

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