Microstrip antenna array

Details Microstrip antenna array Microstrip antenna array

1978-02-02

1979-10-30

Lieberman, Eli

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138

Patent

active

041730194

ABSTRACT:
A microwave antenna comprising a dielectric sheet with a ground conductor on one side and an array of antenna elements on the other side. The elements are connected in shunt by feeder lines which are inclined to the direction of polarization of the antenna. The elements may be fed from a common central feed point. A suitable pattern of feeder lines comprises a plurality of parallel regularly-spaced lines inclined at a given angle to the direction of polarization and intersected by a single feeder line inclined at a mirror-inverted angle to the direction of polarization. The feeder lines are suitably of much higher impedance than the elements. Power tapering across the antenna apertures giving good polar diagrams is readily obtainable with such an arrangement.

REFERENCES:
patent: 3987455 (1976-10-01), Olyphant
patent: 3995277 (1976-11-01), Olyphant
patent: 4063245 (1977-12-01), James et al.

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