Circularly polarized broadband microstrip antenna

Details Circularly polarized broadband microstrip antenna Circularly polarized broadband microstrip antenna

1990-10-30

1993-09-07

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138, H01Q 2106

Patent

active

052433536

ABSTRACT:
A circularly polarized microstrip antenna has a ground plane, a disk-shaped driven element, and a disk-shaped parasitic element. The driven element is located between the ground plane and the parasitic element and is parallel to both of them. The driven element and parasitic element both have diametrically opposed notches, or diametrically opposed projections, or diametrically opposed notches and diametrically opposed projections. The driven element is coupled to a conducting strip that parallels the ground plane to form a microstrip transmission line.

REFERENCES:
patent: 4761654 (1988-08-01), Zaghloul
patent: 4847625 (1989-07-01), Dietrich et al.
"Influence of Director Size upon a Microstrip Quadratic Patch Bandwidth," G. Dubost, J. Rocquencourt, and G. Bonnet, 1987 International Symposium Digest, Antennas and Propagation, pp. 940-943, IEEE, 1987.

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