Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1990-02-14
1991-12-24
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333 21A, 342361, H01P 512
Patent
active
050756494
ABSTRACT:
Adaptive phase and amplitude distributor for use with satellite antennae which require distribution of transmitter-generated microwave power over many elementary radiators having predetermined amplitude and phase characteristics thus achieving required radiation patterns. It consists essentially of two polarizers three circular waveguide rotating joints, all interconnected in a joint-to-polarizer-to-joint-to-polarizer-to-joint relation and followed by an orthomode.TM. transducer output which serves to separate the orthogonal components of the electromagnetic field. By rotating the two polarizers around the waveguide axis independently and by suitable choice of the rotating angles, it is possible to distribute the power entering at one port, say in the TE.sub.11 mode, on the two orthogonal components, still in TE.sub.11, with any amplitude and phase relationship at the output. The two components are separated by the orthomode.TM. transducer. The invention belongs to the microwaves field and more specifically to that of TLC satellites.
REFERENCES:
patent: 2713151 (1955-07-01), Farr
patent: 3588751 (1971-06-01), Paine
patent: 4310813 (1982-01-01), Yuuki et al.
patent: 4492938 (1985-01-01), Young
patent: 4797681 (1989-01-01), Kaplan et al.
Gensler Paul
Selenia Spazio S.p.A.
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