Trap vertical antenna with parallel L-C circuits for broadbandin

Details Trap vertical antenna with parallel L-C circuits for broadbandin Trap vertical antenna with parallel L-C circuits for broadbandin

1982-09-20

1985-01-29

Lieberman, Eli

Communications: radio wave antennas

Antennas

With lumped reactance filter in active antenna

343745, H01Q 900, H01Q 500

Patent

active

044969520

ABSTRACT:
Plurality of inductor-capacitor parallel L-C circuits for vertical antennas and beam array antennas where each antenna includes a plurality of circuits, each circuit including an inductor-capacitor tube-coil positioned adjacent a trap of said antenna, the tube-coil assembly including an outer metallic tube, a dielectric insulator telescoped therein, an inner metallic tube, a coil connected between an outer and inner tube about the insulator tube, and a clamp assembly including bolts and wing nuts for clamping the inductor-capacitor coil arrangement substantially parallel and upward to the trap of the antenna. The pluralities of inductor-capacitor tube coils are particularly useful with vertical antennas utilizing traps and directional array antennas utilizing traps. Any one or plurality of inductor-capacitor tube-coil configurations can be utilized on either a vertical array or a beam array for expanding the number of frequencies of operation, whether the inductor-capacitor tube-coil assemblies are one or two or more.

REFERENCES:
patent: 2898590 (1959-08-01), Pichitino
patent: 3064257 (1962-11-01), Guest
patent: 3176298 (1965-03-01), Nettles
patent: 3653053 (1972-03-01), St. Vrain et al.
patent: 4259673 (1981-03-01), Guretzky

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