Device for transmitting radiophonic signals in secondary radar e

Details Device for transmitting radiophonic signals in secondary radar e Device for transmitting radiophonic signals in secondary radar e

1980-05-06

1982-02-02

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 65R, G01S 1378, G01S 1387

Patent

active

043142460

ABSTRACT:
The invention relates to the transmission of radiophonic signals and signals required for interrogating targets, in secondary radar equipment.
So as to prevent the antenna provided for transmitting radiophonic signals from being disturbed because of its proximity to the non-directional antenna of the IFF, this latter is used to transmit both the interrogation signals and the radiophonic signals, a hybrid coupler disposed in the transmission circuit transmitting in a totally different way the two kinds of signals.

REFERENCES:
patent: 3122737 (1964-02-01), Setrin
patent: 3320610 (1967-05-01), Lassetter
patent: 3956747 (1976-05-01), Leypold et al.

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