Tapered notch antenna

Details Tapered notch antenna Tapered notch antenna

1990-05-04

1992-01-14

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Slot type

H01Q 138, H01Q 1308

Patent

active

050814664

ABSTRACT:
An improved tapered notch antenna configuration is provided. H-plane pattern directivity is achieved by splitting the planar tapered notch into two diverging surfaces to increase aperture dimension in that plane.
A first embodiement describes a stripline feed approach where the ground plane conductors and attendant dielectric substrates diverge in the notch taper region.
A second embodiment utilizes a conductor plane containing a notch and coplanar transmission line which is imbedded at half-depth within an essentially thin dielectric slab. The conductor plane and the dielectric slab separate into two equal but diverging conductive surfaces on separate dielectric substrates in the taper region.
The improved tapered notch antenna, according to the invention, provides increased H-plane directivity, while retaining the prior art-features of feed compactness, low-cost, and repeatability.

REFERENCES:
patent: 4843403 (1989-06-01), Lalezari et al.
patent: 4853704 (1989-08-01), Diaz et al.

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