Compact, wideband antenna system

Details Compact, wideband antenna system Compact, wideband antenna system

1987-04-30

1989-08-22

Hille, Rolf

Communications: radio wave antennas

Antennas

Fractional, multiple, or full wave length linear type

343826, 343834, 343833, H01Q 930

Patent

active

048600202

ABSTRACT:
A compact, wideband antenna system is provided by an open-sleeve, meander dual zigzag monopole consisting of a driven element configured from two symmetrically-oriented meander wires fed from a common feed point and one or two closely-spaced parasitic elements (open sleeves), also configured from two meander wires and shorted to ground plane. The meander monopole has a low silhouette and provides approximately 50% reduction in height as compared to a conventional monopole. By varying the size, geometry, and location of the open sleeves, antennas are synthesized to achieve specific frequency response characteristics. Measurements have demonstrated that the meander monopole is capable of providing the desired radiation pattern characteristics over a 3:1 frequency band.

REFERENCES:
patent: 1745342 (1930-01-01), Yagi
patent: 2045987 (1936-06-01), Green
patent: 2417793 (1947-03-01), Wehner
patent: 2418961 (1947-04-01), Wehner
patent: 4313121 (1982-01-01), Campbell et al.
patent: 4521781 (1985-06-01), Campi et al.
E. L. Bock, J. A. Nelson, A. Dorn, "Sleeve Antennas", Very High Frequency Techniques, Radio Research Lab Staff, Harvard University, vol. 1, Ch. 5, p. 119, McGraw Hill, 1947.
H. B. Barkley, "The Open-Sleeve As a Broadband Antenna", TR No. 14, U.S. Naval Postgraduate School, Monterey, CA, Jun. 1955.
H. E. King, J. L. Wong, "An Experimental Study of a Balun-Fed., Open Sleeve Dipole in Front of a Metallic Reflector", IEEE, Trans. Antennas & Propagation, AP-20, Mar. 1972; pp. 201-204.
J. L. Wong, H. E. King, "Broadband Characteristics of an Open-Sleeve Dipole", 1972 IEEE, G-AP International Symposium Digest, Williamsburg, VA, 11-14, Nov. 1972; pp. 332-335.
J. L. Wong, H. E. King, "Design Variations & Performance Characteristics of the Open-Sleeve Dipole", The Aerospace Corporation, Report No. TR 0073, (3404)-2; 01/15/73.

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