Raytheon Company

Nicholas A Schuneman

James M Irion, Ii

Richard E Hodges

James M Irion Ii

James M Ii Irion

An apparatus includes a slot defined by electrically conductive material, an electrically conductive element extending generally transversely to the slot in the region of a first end thereof, and a balun portion communicating with the first end of the slot, the balun portion having a high impedance and being configured to provide a selected degree of absorption of electromagnetic energy.

Method and apparatus for obtaining wideband performance in a tapered slot antenna

An antenna apparatus () includes an antenna element () that has conductive material with a recess therein. The recess includes a balun hole (), and a tapered slot () communicating at its narrow end with the balun hole. The balun hole is approximately rectangular, has a peripheral edge defined by conductive material, and contains air. The tapered slot has a shape which is optimized as a function of factors that include the balun hole design. Each slot edge follows a predetermined curve other than a first-order exponential curve.

Slot for decade band tapered slot antenna, and method of making and configuring same

Balun and groundplanes for decade band tapered slot antenna, and method of making same

Decade band tapered slot antenna, and method of making same

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Dallas, TX, United States of America

Nicholas A Schuneman