Polarization control element for phased array antennas

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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343363, 343365, 333 21A, 333158, H01Q 336

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044438001

ABSTRACT:
Each antenna of the phased array is supplied a lineal polarized wave which has been shifted in phase and rotated in polarization in accordance with a cascade connection of a NRCP, Faraday rotator and a RNRCP. The control windings of the Faraday rotator and the rotating polarizer determine the amount of phase shift and rotation of the polarization of the propagating wave.

REFERENCES:
patent: 2787765 (1957-04-01), Fox
patent: 3698008 (1972-10-01), Roberts et al.
patent: 3938158 (1976-02-01), Birch et al.
patent: 3982213 (1976-09-01), Smith et al.
patent: 4201961 (1980-05-01), Klein
Roberts, An X-Band Reciprocal Latching Faraday Rotator Phase Shifter, Dig of Tech. papers of G-MTT 1970, Int'l. Microwave Symposium, pp. 341-345.

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