Power divider for multibeam antennas with shared feed elements

Details Power divider for multibeam antennas with shared feed elements Power divider for multibeam antennas with shared feed elements

1984-12-13

1987-12-01

Davie, James W.

Communications: radio wave antennas

Antennas

Wave guide type

343754, 343779, H01Q 1300

Patent

active

047107766

ABSTRACT:
The invention provides an antenna for transmitting or receiving closely spaced multibeams with very low level sidelobes comprising, for each beam feed, a primary feed feeding one or more main elements surrounded by secondary elements some of which are shared between several adjacent beam feed, the power supplied by the primary feed being distributed to the different elements by means of couplers. According to the invention, each shared element is fed by each of the power transmission lines feeding the main element (E1, E'1) of said adjacent beams through a coupler, each transmission line of a secondary radiating element (L2, L'3) comprising at least two couplers (C1, C2) in series.

REFERENCES:
patent: 3631503 (1971-12-01), Tang
patent: 4090203 (1978-05-01), Duncan
patent: 4101901 (1978-07-01), Kommrusch
patent: 4156243 (1979-05-01), Yorinks et al.
patent: 4236161 (1980-11-01), Ohm

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