Harris Corporation

Sean Ortiz

Griffin Keith Gothard

Timothy Earl Durham

Anthony Mark Jones

Jay A Kralovec

Chris Synder

James Joseph Rawnick

Stephen B Brown

Randy Eugene Boozer

Ralph Trosa

Louis Robert Paradiso

Chris Snyder

Jerry B Schappacher

Stephen R Landers

Lora A Theiss

Donald Franklin Hege

Anthony A Jones

A phased array antenna includes a semiconductor wafer, with radio frequency (RF) circuitry fabricated on top side of the semiconductor wafer. There is an array of antenna elements above the top side of the semiconductor wafer, and a coaxial coupling arrangement coupling the RF circuitry and the array of antenna elements. The coaxial coupling arrangement may include a plurality of coaxial connections, each having an outer conductor, an inner conductor, and a dielectric material therebetween. The dielectric material may be air.

Phased array antenna module and method of making same

The tubular slot-mode antenna includes an array of slot antenna units carried by a tubular substrate, e.g. a cylindrical substrate, and each slot antenna unit having a pair of patch antenna elements arranged in laterally spaced apart relation about at least one central feed position. Adjacent patch antenna elements of adjacent slot-mode antenna units have respective spaced apart edge portions with predetermined shapes and relative positioning to provide increased capacitive coupling therebetween. The array of slot-mode antenna units may define a plurality of ring-shaped slots coaxial with an axis of the tubular substrate, and a feed arrangement may be coupled thereto to operate the array of slot-mode antenna units in an endfire mode.

Tubular endfire slot-mode antenna array with inter-element coupling and associated methods

The slot-mode antenna includes an array of slot antenna units carried by a substrate, and each slot antenna unit having a pair of patch antenna elements arranged in laterally spaced apart relation about at least one central feed position. Adjacent patch antenna elements of adjacent slot-mode antenna units have respective spaced apart edge portions with predetermined shapes and relative positioning to provide increased capacitive coupling therebetween. The spaced apart edge portions may be continuously or periodically interdigitated to provide the increased capacitive coupling therebetween.

Single polarization slot antenna array with inter-element coupling and associated methods

The dual-polarization antenna with a slot pattern can produce vertical polarized energy near the horizon and can scan to near grazing angles. The dual-polarization, slot-mode antenna includes an array of dual-polarization, slot-mode, antenna units carried by a substrate, and each dual-polarization, slot-mode antenna unit having at least four patch antenna elements arranged in spaced apart relation about a central feed position. Adjacent patch antenna elements of adjacent dual-polarization, slot-mode antenna units have respective spaced apart edge portions defining gaps therebetween. Capacitive coupling plates are adjacent the gaps and overlap the respective spaced apart edge portions to provide increased capacitive coupling therebetween.

Dual polarization antenna array with inter-element capacitive coupling plate and associated methods

The slot-mode antenna includes an array of slot antenna units carried by a substrate, and each slot antenna unit has a pair of patch antenna elements arranged in laterally spaced apart relation about at least one central feed position. Adjacent patch antenna elements of adjacent slot-mode antenna units include respective spaced apart edge portions defining gaps therebetween, and a capacitive coupling layer or plates overlap the respective spaced apart edge portions to provide increased capacitive coupling therebetween. The capacitive coupling layer may include continuous or periodic capacitive coupling plates along each gap defined by the respective spaced apart edge portions.

Single polarization slot antenna array with inter-element capacitive coupling plate and associated methods

The dual-polarization, slot-mode antenna includes an array of dual-polarization, slot-mode, antenna units carried by a substrate, with each dual-polarization, slot-mode antenna unit having at least four patch antenna elements arranged in spaced apart relation about a central feed position. Adjacent patch antenna elements of adjacent dual-polarization, slot-mode antenna units include respective spaced apart edge portions having predetermined shapes and relative positioning to provide increased capacitive coupling therebetween. The respective spaced apart edge portions may be continuously or periodically interdigitated to provide the increased capacitive coupling therebetween.

Dual polarization antenna array with inter-element coupling and associated methods

Compact multi-band antenna system () includes a main reflector () having a shaped surface of revolution about a boresight axis of the antenna operable at a plurality of frequency bands spectrally offset from each other. A multi band feed system () is provided for the main reflector that includes a subreflector () formed as a shaped surface of revolution about the boresight axis of the antenna, and a horn antenna (). The horn antenna has one or more ridges () disposed in a throat region () of the horn antenna extending in a direction aligned with the boresight axis (of the antenna. The horn antenna is coupled to the shaped surface of revolution defining the subreflector.

Simultaneous multi-band ring focus reflector antenna-broadband feed

A phased array antenna includes a substrate, and a patterned conductive layer is on the substrate. The patterned conductive layer defines a plurality of slotted dipole antenna elements each having a medial feed portion associated therewith. Each slotted dipole antenna element includes a pair of slotted legs extending outwardly from the medial feed portion. Pairs of adjacent slotted legs of adjacent slotted dipole antenna elements include respective spaced apart end portions having predetermined shapes and relative positioning to provide increased inductive coupling between the adjacent slotted dipole antenna elements.

Wideband slotted phased array antenna and associated methods

A multi-band ring focus antenna system includes a main reflector () that is operable at a plurality spectrally offset frequency bands. A first feed () includes a first feed horn () and a first sub-reflector (), which are positioned spaced apart from each other at respective locations along a boresight axis of the main reflector. The locations are selected so that the first feed horn and the first sub-reflector share a commonly located first phase center (). A second feed () designed for operation on a second RF frequency band includes a second feed horn () and a second sub-reflector (), each positioned at a location along the boresight axis of the main reflector so that they share a commonly located second phase center.

Multi-band coaxial ring-focus antenna with co-located subreflectors

A compact multi-band ring-focus antenna system. The antenna system includes a first and a second main reflectoreach having a shaped surface of revolution about a common boresight axis () of the antenna. A first backfire type RF feed system () is provided for feeding the first main reflector () on a first frequency band. A second RF feed () coaxial with the first RF feed () is provided for feeding the second main reflector () on a second frequency band spectrally offset from the first frequency band. Further a portion of the second RF feed passes through a first sub-reflectors () of the backfire feed. The second RF feed is terminated a distance from the first sub-reflector to illuminate a second sub-reflector ().

Multi-band ring focus antenna system with co-located main reflectors

A phased array antenna ( ) includes a current sheet array ( ) on a substrate ( ), at least one dielectric layer ( ) between the current sheet array and a ground plane ( ), and at least one conductive plane ( ) adjacent to the substrate for providing additional coupling between adjacent dipole antenna elements of the current sheet array.

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West Melbourne, FL, United States of America

Sean Ortiz