Electronic antenna decoupling process and device

Details Electronic antenna decoupling process and device Electronic antenna decoupling process and device

1982-12-15

1985-01-08

Ng, Jin F.

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

455 24, H04B 144

Patent

active

044931115

ABSTRACT:
An electronic process and device are provided for decoupling a receiving antenna situated in the immediate vicinity of a transmitting antenna transmitting a frequency modulated interfering signal.
The process consists in superimposing on each of the signals for the static control of variable attenuators, disposed in a regulation loop for cancelling out the interfering signal received by the antenna, a signal whose amplitude is proportional, at all times, to the difference between the carrier frequency of the interfering signal and the instantaneous value of its modulation signal .phi.'.sub.B (t).

REFERENCES:
patent: 3696429 (1972-10-01), Tressa
patent: 3699444 (1972-10-01), Ghose et al.
patent: 3810182 (1974-05-01), White et al.
patent: 4384366 (1983-11-01), Kaitsuka
patent: 4423505 (1983-12-01), Greig

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