Coaxial transmission-line matrix including in-plane crossover

Details Coaxial transmission-line matrix including in-plane crossover Coaxial transmission-line matrix including in-plane crossover

1987-10-23

1989-03-07

LaRoche, Eugene R.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333117, H01P 518

Patent

active

048109827

ABSTRACT:
An assembly of coaxial tranmission lines and coupling devices, formed of closely spaced center conductors of the coaxial lines, is formed within a planar configuration. The coupling devices are arranged either singly, or in pairs with one coupling device behind the other coupling device, to provide for a division of power between transmission lines and to provide for a crossing over of power from one transmission line to another transmission line. The transmission-line assembly is reciprocal in operation so that the singly arranged coupling devices may be employed for a distribution as well as for a combination of electromagnetic waves. Phase shifters may also be included to provide a desired phase relationship among waves outputted by various ones of the transmission lines. The transmission lines, the coupling devices and the phase shifters may all be fabricated in a parallel array within a common metallic plate by automated milling machines for facile, accurate, and reproducible manufacture of the transmission-line assembly. The assembly including the matrix of coaxial lines for electromagnetic waves is readily structured to serve as a Butler matrix.

REFERENCES:
patent: 3478281 (1969-11-01), Jeong
patent: 3654570 (1972-04-01), Thomas
patent: 3737810 (1973-05-01), Shelton
patent: 4533883 (1985-08-01), Hudspeth et al.
patent: 4647878 (1987-03-01), Landis et al.
patent: 4704590 (1987-11-01), Schneider

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