Beam forming network for circularly polarized shaped beam antenn

Communications: directive radio wave systems and devices (e.g. – Directive – Including polarized signal communication transmitter or...

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342373, H01Q 2106, H01Q 2124

Patent

active

046912053

ABSTRACT:
A reduced size and weight beam forming network for a circularly polarized N element array antenna system is achieved by interconnecting quadrature couplers without intermediate phase shifters and adding twisted waveguide phase shifters at the coupler outputs to equalize the phase at the array elements.

REFERENCES:
patent: 3205501 (1965-09-01), Kuhn
patent: 3646559 (1972-02-01), Wiley
patent: 3893124 (1975-07-01), Baker
patent: 4348680 (1982-09-01), Collier

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