Multiplexer-demultiplexer for a microwave antenna

Details Multiplexer-demultiplexer for a microwave antenna Multiplexer-demultiplexer for a microwave antenna

1975-03-06

1976-03-09

Britton, Howard W.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

333 6, 343756, H04L 500

Patent

active

039435199

ABSTRACT:
A multiplexer-demultiplexer operates in the 3.6 to 4.2, 5.9 to 6.4, 6.4 to 7.1 and 10.7 to 11.7 kmc. The multiplexer-demultiplexer first picks off the signals of the first frequency band, and thereafter separates the signals of the fourth frequency band from other frequency bands, comprising the second and third frequency band, of the input signals, all these operation being performed for each one of the vertical and horizontal polarizations. The aforesaid other frequencies are thereafter separated according to polarization only before it is demultiplexed according to frequency.

REFERENCES:
patent: 3234555 (1966-02-01), Petrilla et al.
patent: 3566309 (1971-02-01), Ajioka
patent: 3668564 (1972-06-01), Ren et al.
patent: 3731235 (1973-05-01), Ditullio et al.
patent: 3731236 (1973-05-01), Ditullio et al.
patent: 3816835 (1974-06-01), Hai et al.

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