Wide band antenna having unitary radiator/ground plane

Details Wide band antenna having unitary radiator/ground plane Wide band antenna having unitary radiator/ground plane

1999-11-16

2000-10-17

Ho, Tan

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138

Patent

active

061338834

ABSTRACT:
An antenna is formed from a single sheet of generally planar metal that is cut to provide four geometric antenna shapes that comprise a ground plane element, a two-section shorting element that is defined by two generally parallel fold lines, a radiating element, and an arm that has one end fixed to a generally central portion of the radiating element and has a free end that extends toward a fold line. Folding the metal sheet on the two fold lines positions the radiating element above the ground plane element. A transmit/receive coaxial cable is aligned with a gap that is formed between the two sections of the shorting element. The cable's outer metal sheath is connected to a metal tab, and the metal tab is secured to a surface of the ground plane element. The cable's center conductor is secured to a surface of the radiating element. A radome and its mounting tab complete the antenna assembly.

REFERENCES:
patent: 4700194 (1987-10-01), Ogawa et al.
patent: 4835541 (1989-05-01), Johnson et al.
patent: 5355142 (1994-10-01), Marshall et al.
patent: 5444453 (1995-08-01), Lalezari
patent: 5532707 (1996-07-01), Klinger et al.
patent: 5734350 (1998-03-01), Deming et al.
patent: 6049314 (2000-04-01), Munson et al.

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