Electronic solid state FM dipole antenna

Details Electronic solid state FM dipole antenna Electronic solid state FM dipole antenna

1976-11-18

1978-09-19

Lieberman, Eli

Communications: radio wave antennas

Antennas

Having electric space discharge device

343803, 343821, 325375, H01Q 126

Patent

active

041157788

ABSTRACT:
A miniature antenna which is rugged, extremely light-weight and which is especially adapted for reception across the entire FM band comprising an omnidirectional half-wave dipole having feed structure comprised of curved overlapping dipole element points connected to a solid state amplifier having staggered tuned input and output circuits. The input to the amplifier is maintained essentially balanced to preserve the omnidirectional pattern of the dipole.
The physical location of the solid state amplifier is such that it is directly connected to the feed point of the dipole eliminating transmission line losses.
The coaxial cable is employed in a diplexed manner for connecting the DC power supply to the solid state amplifier and for connecting the amplified output signal to an impedance converter which is to provide proper impedance match for the antenna input signals of an FM tuner/receiver. The design provides an omnidirectional E-plane pattern and the staggered tuned amplifier provides adequate gain across bandwidth sufficient to cover the FM band.

REFERENCES:
patent: 2116734 (1938-05-01), Reinartz
patent: 2682608 (1954-06-01), Johnson
patent: 3656160 (1972-04-01), Burton
patent: 3745583 (1973-07-01), Herbert
patent: 3956751 (1976-05-01), Herman

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