Radiofrequency power distributor for instrument landing system l

Details Radiofrequency power distributor for instrument landing system l Radiofrequency power distributor for instrument landing system l

1989-05-22

1990-03-06

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

G01S 116, G01S 118

Patent

active

049070053

ABSTRACT:
Disclosed is a radiofrequency distributor for a two frequency Instrument Landing System Localizer transmitting antenna array, for the purpose of driving each antenna with predetermined modulated radiofrequency currents of four different types, the distributor consisting of a combination of quarter wavelength power dividers and bidirectional couplers.

REFERENCES:
patent: 3711857 (1973-01-01), Cummings
patent: 4101892 (1978-07-01), Alford

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