Westinghouse Electric Corporation

Michael A Mongilio

John H Staehlin

Lanson Y Shum

John W Cassen

Richard S Konapelsky

Eric W Lucas

Douglas K Comstock

Kenneth M Leader

David W Parry

Frank B Gabranski

Albert F Zirkle

Charles P Stieneke

A planar dielectric substrate supports a stripline conductor therein. A conductive housing has one or more recesses for receiving a dielectric and a conductive cover is mountable over the dielectric in contact with the housing to enclose the dielectric and isolate the stripline from adjacent structures. The housing and cover have aligned slots disposed on opposite sides of the dielectric and transverse to the stripline for providing coupling of signals between the stripline and the slot. An aperture is formed in the housing in communication with the slot. Other embodiments of the invention include impedance matching means for either or both of the stripline and the aperture for optimizing the efficiency measured in terms of VSWR of the radiator.

Notch radiator elements

RF manifolding for a radar antenna which allows tight spacing of Phase Control Modules (PCMs) is disclosed. The manifolding consists of ridged branch manifold waveguides to which ridged cross waveguide sections are installed. Each branch manifold waveguide of the present invention has ridges on one broad wall, coupling slots on another broad wall, and a plurality of cross waveguides connected on the side having the coupling slots. The cross waveguides are likewise provided with ridges on one broad wall, which are oriented at right angles to the ridges of the branch manifold waveguide, and have coupling slots on the opposite broad wall which correspond to the coupling slots of the branch manifold waveguide. The PCMs are mounted on the end of each cross waveguide, parallel to the ridges thereof. The branch manifold waveguide assemblies, comprising the branch manifold waveguides, the cross waveguides, and the PCMs, are installed on the antenna in parts and oriented back-to-back, with their ridges contacting to enclose a space defined by the walls of the two branch manifolds. The space enclosed between the branch manifold waveguides of the assembled pair by virtue of these ridges may be used for fluid cooling in high power antenna applications.

Back-to-back ridged branch manifold structure for a radar frequency

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Columbia, MD, United States of America

Michael A Mongilio