Impedance matching arrangement

Details Impedance matching arrangement Impedance matching arrangement

1986-07-18

1989-01-17

Sikes, William L.

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

343850, 343860, H01Q 150

Patent

active

047990660

ABSTRACT:
An impedance matching arrangement is suitable for use with a frequency hopping radio communications system which is operable over a wide frequency band, so as to match the operating impedance of the antenna at each of the frequencies used. As the frequency of the radio system hops from one frequency to another, a note of any impedance mismatch is noted and data derived therefrom is stored for future use when that frequency is next selected so as to reduce any impedance mismatch.

REFERENCES:
patent: 2910655 (1959-10-01), Ludvigson
patent: 3160832 (1964-12-01), Beitman et al.
patent: 4015223 (1977-03-01), Cheze
patent: 4085405 (1978-04-01), Barlow
patent: 4493112 (1985-01-01), Bruene
patent: 4612669 (1986-09-01), Nossen
Abstract of Japanese Patent Application No. 59-50619, vol. 8, No. 139 (E-253) <1576>, Jun. 28th, 1984.

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