Apparatus for coupling coaxial transmission line to rectangular

Details Apparatus for coupling coaxial transmission line to rectangular Apparatus for coupling coaxial transmission line to rectangular

1976-10-15

1978-01-31

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

With impedance matching

333 97R, H01P 508

Patent

active

040718336

ABSTRACT:
Improved apparatus for coupling microwave energy from coaxial transmission line to rectangular waveguide and vice versa. A cover, which includes a conductive material, is positioned on one end of a rectangular waveguide. The cover has an opening for receiving the center conductor of a coaxial transmission line and has means for electrically connecting the outer conductor of the coaxial transmission line to the conductive material of the cover. A conductive mass is positioned within the waveguide in spaced relation with its walls and the cover. The center conductor of the coaxial transmission line is in electrically conductive relation with the conductive mass. A hook-shaped conductive element has one of its ends in electrically conductive relation with the conductive mass and has its other end terminating within the waveguide at a location spaced from the waveguide walls and the cover. The conductive mass is located between the cover and the hook-shaped element, and the curvature of the hook-shaped element preferably is in a plane parallel to the narrow walls of the waveguide and off-set from its axis parallel to these narrow walls. Preferably the ends of the hook-shaped element are substantially equally spaced from the wide walls of the waveguide.

REFERENCES:
patent: 3375474 (1968-03-01), Thompson et al.
patent: 3758886 (1973-09-01), Landry et al.
patent: 3942138 (1976-03-01), Schaedla

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