Abstract: A power combiner/divider having a waveguide, a plurality of amplifiers disposed on a supporting structure, a plurality of probes, each one having a first end electrically coupled to an output of a corresponding one of the plurality of amplifiers and a second end projecting outwardly from the supporting structure and into the waveguide. The probes are disposed in a common region of the waveguide. The region has a common electric field maximum within the waveguide. A first portion of the probes proximate the sidewalls have lengths different from a second portion of the probes disposed in a region distal from the sidewalls of the waveguide. The waveguide is supported by the support structure. The power combiner is a monolithic microwave integrated circuit structure.

Abstract: A power combiner/divider having a waveguide, a plurality of amplifiers disposed on a supporting structure, a plurality of probes, each one having a first end electrically coupled to an output of a corresponding one of the plurality of amplifiers and a second end projecting outwardly from the supporting structure and into the waveguide. The probes are disposed in a common region of the waveguide. The region has a common electric field maximum within the waveguide. A first portion of the probes proximate the sidewalls have lengths different from a second portion of the probes disposed in a region distal from the sidewalls of the waveguide. The waveguide is supported by the support structure. The power combiner is a monolithic microwave integrated circuit structure.

Abstract: An antenna comprises a dielectric material having first and second surfaces, a discrete lens array operatively coupled to the first surface, and at least one broadside feed antenna operatively coupled to the second surface.

Abstract: A plurality of antenna elements on a dielectric substrate are adapted to launch or receive electromagnetic waves in or from a direction substantially away from either a convex or concave edge of the dielectric substrate, wherein at least two of the antenna elements operate in different directions. Slotlines of tapered-slot endfire antennas in a first conductive layer of a first side of the dielectric substrate are coupled to microstrip lines of a second conductive layer on the second side of the dielectric substrate. A bi-conical reflector, conformal cylindrical dielectric lens, or discrete lens array improves the H-plane radiation pattern. Dipole or Yagi-Uda antenna elements on the conductive layer of the dielectric substrate can be used in cooperation with associated reflective elements, either alone or in combination with a corner-reflector of conductive plates attached to the conductive layers proximate to the endfire antenna elements.

Abstract: A plurality of antenna end-fire antenna feed elements at a corresponding plurality of locations and oriented in a corresponding plurality of directions on a third dielectric substrate cooperate with a discrete lens array comprising a plurality of electromagnetic lens elements, each of which comprises first and second broadside antenna elements adjacent to respective first and second dielectric substrates and a conductive layer therebetween, wherein the conductive layer is adapted with at least one coupling slot in cooperation with associated first and second broadside antenna elements so as to provide for a delay element operative between the first and second broadside antenna elements, wherein the coupling slots are adapted so that a delay period of at least one of the electromagnetic lens elements is different from a delay period of at least another of the electromagnetic lens elements so as to provide for a nominal focal surface of the dielectric lens.

Abstract: A plurality of antenna end-fire antenna feed elements disposed along a contour on a dielectric substrate cooperate with a discrete lens array. An electromagnetic wave launched by an antenna feed element is received by a first set of patch antennas on a first side of the discrete lens array, and the associated received signals are propagated through associated delay elements to a corresponding second set of patch antennas on the opposite side of the discrete lens array from which the associated received signals are reradiated, wherein the corresponding delays of the associated delay elements are location dependent so as to emulate a dielectric electromagnetic lens and thereby provide for forming an associated beam of electromagnetic energy. A signal applied to a corporate feed port is switched to the antenna feed elements by a switching network, whereby different antenna feed elements generate different beams of electromagnetic energy in different directions.

Abstract: A multi-beam antenna comprises at least one curved surface, at least one dielectric substrate, and a plurality of end-fire antenna feed elements on the dielectric substrate. The at least one curved surface may be either reflective, refractive or diffractive. |Electromagnetic waves launched from the antenna feed elements are directed at the at least one curved surface, and are either reflected, refracted or diffracted thereby. n one embodiment, the substraFigureste is located within a light assembly, e.g. a vehicle headlight, wherein at least one source of light is operatively associated with the dielectric substrate, and the at least one curved surface comprises the concave optical reflector of the light assembly.

Abstract: A Lorentz force assisted microelectromechanical switch is provided which is configured to have a capacitive switch and an electrical conductor placed in transversely extending electric and magnetic fields to generate the Lorentz force sufficient to operate the capacitive switch.

Abstract: A Lorentz force assisted microelectromechanical switch is provided which is configured to have a capacitive switch and an electrical conductor placed in transversely extending electric and magnetic fields to generate the Lorentz force sufficient to operate the capacitive switch.

Abstract: A subharmonic double-balanced mixer (SDBM) combines a first signal having an RF frequency and a plurality of LO drive signals each having a frequency approximately one-half the RF frequency to obtain an output signal having an intermediate frequency. The intermediate frequency can be the baseband signal in direct conversion receivers. Two embodiments of the current invention using a two-level transistor circuit are described. In one of the embodiments, the RF section is in the bottom level transistors and in the other, the LO section is in the bottom level transistors. The device occupies a substantially reduced area on a semiconductor chip when compared with prior art devices.

Abstract: Structures and methods that provide for via transitions between opposite sides of a high resistivity silicon micro-machined membrane substrate. The via transitions provide ground-signal-ground interconnection between coplanar waveguides disposed on opposite sides of substrate. Adjacent via transitions are anisotropically etched from opposite surfaces of the substrate to form the via transitions. The ground-signal-ground configuration provides RF impedance matching at the via transition.