Primary source with frequency re-utilization

Details Primary source with frequency re-utilization Primary source with frequency re-utilization

1982-06-09

1985-03-26

Lieberman, Eli

Communications: radio wave antennas

Antennas

Wave guide type

343756, 333135, H01Q 1300

Patent

active

045076650

ABSTRACT:
A primary source for a space communications antenna requiring a mode extractor means comprises more especially a horn with two types of evenly spaced alternate corrugations whose depth decreases, for each of the types, from the neck to the opening, followed by a band separator of the quasi-optical filter type, followed by a mode extractor means placed in series in the reception channel of the primary source.

REFERENCES:
patent: 3560976 (1971-02-01), Foldes
patent: 3665481 (1972-05-01), Low
patent: 3696434 (1972-09-01), Sciambi, Jr.
patent: 3731236 (1973-05-01), Tullio
patent: 4162463 (1979-07-01), Tullio
patent: 4233576 (1980-11-01), Pelchat
AP-S International, Jun. 21, 1977, Inst. of Electrical and Electronic Engrs. R. W. Gruner, Compact Dual-Polarized Diplexers for 4/6 GHz Earth Station Applications, pp. 341-344.

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