Broadband end fed dipole antenna with a double resonant transfor

Details Broadband end fed dipole antenna with a double resonant transfor Broadband end fed dipole antenna with a double resonant transfor

1995-04-03

1996-10-08

Le, Hoanganh T.

Communications: radio wave antennas

Antennas

With lumped reactance for loading antenna

343791, 343792, H01Q 900

Patent

active

055636152

ABSTRACT:
An antenna comprises a feed port, a 1/2 wavelength radiator (20), and a double resonant transformer (10). The feed, port, having a signal feed portion (34) and a ground portion (44), is at a low impedance while the 1/2 wavelength radiator (20) has opposed high impedance ends (21 and 22). For transforming low impedance to high impedance, at two resonant frequencies, the double resonant transformer is coupled between the feed port and the 1/2 wavelength radiator.

REFERENCES:
patent: 2802210 (1957-08-01), Berndt
patent: 3588903 (1971-06-01), Hampton
patent: 4117493 (1978-09-01), Altmayer
patent: 4137534 (1979-01-01), Goodnight
patent: 4180819 (1979-01-01), Nakano
patent: 4494122 (1985-01-01), Garay et al.
patent: 4540989 (1985-09-01), Day, Jr.
patent: 4772895 (1988-09-01), Garay et al.
patent: 4829311 (1989-05-01), Wells
patent: 4940989 (1990-07-01), Austin
patent: 5231412 (1993-07-01), Eberhardt et al.

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