Twin zig zag log periodic antenna

Details Twin zig zag log periodic antenna Twin zig zag log periodic antenna

1984-04-25

1986-10-07

Lieberman, Eli

Communications: radio wave antennas

Antennas

Logarithmically periodic

H01Q 1110

Patent

active

046162330

ABSTRACT:
A log periodic antenna (1) comprising two substantially identical non-resonant elongated log periodic conductive zig zag structures (3,5). The structures (3, 5) lie side-by-side in close proximity to each other in substantially the same plane defined by a planar dielectric board (13). The zig zag structures (3, 5) are axisymmetric about a line of symmetry coinciding with the midline of an impedance matching feed line (18). The feed line (18) comprises two substantially identical elongated conductive members (7, 9), sandwiched around the dielectric (13). The first zig zag structure (3) and the first member (7) lie on one side of the dielectric board (13), while the second zig zag structure (5) and the second member (9) lie on the other side of the board (13). At microwave frequencies, the zig zag structures (3, 5) and the member (7, 9) are preferably mounted on the dielectric board (13) using printed circuit techniques.

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patent: 4335385 (1982-06-01), Hall
Balanis, Antenna Theory-Analysis and Design, Harper & Row, New York, N.Y. 1982, pp. 423-424.

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