Claims
- 1. An antenna element comprises:
a feed circuit layer having a ground plane disposed thereon; a radiator layer having a first ground plane disposed thereon with the ground plane having an aperture therein, said radiator layer disposed over said feed circuit layer; and a cover layer disposed over said radiator layer; a plurality of via holes between the first and second ground plane layers to provide a cavity in said radiator and feed circuit layers; an antenna element feed disposed to couple energy between the feed circuit and the antenna element; a switch beam combining circuit; and a butler matrix coupled between said antenna element feed and said switched beam circuit.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims the benefit of U.S. Provisional Application No. 60/226,160, filed on Aug. 16, 2000 and is hereby incorporated herein by reference in its entirely.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60226160 |
Aug 2000 |
US |