Abstract: A radio frequency (RF) circuit includes an input terminal configured to receive a reception signal from an antenna; an output terminal configured to output a digital output signal; a receive path including a mixer and an analog-to-digital converter (ADC), wherein the receive path is coupled to and between the input and output terminals, wherein the receive path includes an analog portion and a digital portion, and wherein the ADC generates a digital signal based on an analog signal received from the analog portion; a test signal generator configured to generate an analog test signal injected into the analog portion of the receive path; and a digital processor configured to receive a digital test signal from the digital portion, the digital test signal being derived from the analog test signal, analyze a frequency spectrum of the digital test signal, and determine a quality of the digital test signal.

Abstract: A method of forming a bearing cage is generally disclosed herein. The method includes (i) forming a bearing cage from either titanium or a titanium alloy; and (ii) applying a plasma-nitriding treatment to at least one surface of the bearing cage to form a compound layer of titanium nitride including TiN and Ti2N on an outer region of the at least one surface. Step (ii) further forms a diffusion zone adjacent to the outer region, in one aspect. A surface hardness of the bearing cage that is treated by the plasma-nitriding step is at least 1000 HV. The bearing cage is configured to be used in a turbofan, turboprop, or turboshaft engine or in a helicopter gearbox, in one aspect.

Abstract: An apparatus for in-situ calibration of a photoacoustic sensor includes a measurement device configured to measure an electric signal at an IR emitter of the photoacoustic sensor, wherein the IR emitter generates an electromagnetic spectrum based on the electric signal; and a calibration unit including processing circuitry, configured to compare the electric signal with a comparison value to generate a comparison result used as calibration information. When performing the in-situ calibration, the calibration unit is configured to adjust the electric signal based on the calibration information, or the calibration unit is configured to process an output signal of the photoacoustic sensor based on the calibration information to obtain an adjusted output signal of the photoacoustic sensor.

Abstract: A method of treating PVC plates as well as plates and panels manufactured by this method. The plates and panels, in particular wall, ceiling or floor panels, comprise a heat-treated carrier plate based on polyvinyl chloride with a density of, for example, 900 to 2,500 kg/m3 and a film applied thereon. The film is a thin PVC-film and comprises a decorative pattern directly printed thereon.

Abstract: A power electronic assembly includes a board having metal layers laminated onto or between electrically insulating layers, and a power device embedded in the board. A first metal layer provides electrical contacts at a first side of the board. A second metal layer provides a thermal contact at a second side of the board. A third metal layer is positioned between the first metal layer and the power device and configured to distribute a load current switched by the power device. A fourth metal layer is positioned between the second metal layer and the power device and configured as a primary thermal conduction path for heat generated by the power device during switching of the load current. A first electrically insulating layer separates the fourth metal layer from the second metal layer so that the fourth metal layer is electrically isolated from but thermally connected to the second metal layer.

Abstract: A serial peripheral interface (SPI) communication system includes a memory configured with a start register address and an end register address that define a register address range for a data operation; a chip select terminal configured to receive a chip select signal comprising an active and idle signal levels that define a plurality of chip select frames; a serial data input terminal configured to receive a master out, slave in (MOSI) signal, wherein the MOSI signal includes configuration information received in a first chip select frame of the data operation, wherein the configuration information includes an operation command bit indicating whether the data operation is a write operation or a read out operation and an auto-incrementation control bit indicating whether automatic register address incrementation across chip select frames is enabled or disabled; and a serial data output terminal configured to transmit a master in, slave out (MISO) signal.

Abstract: The systems, methods and apparatuses described herein provide a computing device that is configured to attest itself to a communication partner. In one aspect, the computing device may comprise a communication port configured to receive an attestation request from the communication partner, and an application-specific integrated circuit (ASIC). The ASIC may be configured to receive the attestation request from the communication port. The attestation request may include a nonce generated at the communication partner. The ASIC may be further generate a verification value and send the verification value to the communication port to be transmitted back to the communication partner. The verification value may be a computation result of a predefined function taking the nonce as an initial value. In another aspect, the communication partner is configured to attest the computing device using speed of computation attestation.

Abstract: A method of treating PVC plates as well as plates and panels manufactured by this method. The plates and panels, in particular wall, ceiling or floor panels, comprise a heat-treated carrier plate based on polyvinyl chloride with a density of, for example, 900 to 2,500 kg/m3 and a film applied thereon. The film is a thin PVC-film and comprises a decorative pattern directly printed thereon.

Abstract: A method of treating PVC plates as well as plates and panels manufactured by this method. The plates and panels, in particular wall, ceiling or floor panels, comprise a heat-treated carrier plate based on polyvinyl chloride with a density of, for example, 900 to 2,500 kg/m3 and a film applied thereon. The film is a thin PVC-film and comprises a decorative pattern directly printed thereon.

Abstract: A snubber circuit includes a snubber substrate including an electrically insulating carrier and an electrically conducting structured layer applied thereon, the electrically conducting structured layer including two segments. The snubber circuit further includes two electrically resistive layers, each resistive layer being applied onto the two segments of the electrically conducting structured layer of the snubber substrate, and a capacitor disposed on the electrically resistive layers and having two terminals, each terminal being electrically connected to one of the electrically resistive layers. Further, a power semiconductor module having such a snubber circuit is disclosed.

Abstract: A semiconductor chip package is provided with improved connections between different components within the package. The semiconductor chip package may comprise a semiconductor chip disposed on a substrate. The semiconductor chip may have a first surface and a second surface. The first surface of the semiconductor chip may be connected to the substrate. The semiconductor chip package may comprise a leadframe that includes a first lead and a second lead. The first lead of the leadframe may be directly attached to the second surface of the semiconductor chip. The second lead of the leadframe may be directly attached to the substrate.

Abstract: A method of treating PVC plates as well as plates and panels manufactured by this method. The plates and panels, in particular wall, ceiling or floor panels, comprise a heat-treated carrier plate based on polyvinyl chloride with a density of, for example, 900 to 2,500 kg/m3 and a film applied thereon. The film is a thin PVC-film and comprises a decorative pattern directly printed thereon.

Abstract: A torsional vibration damper for a drive train includes an axis of rotation, a multi-flange damper for damping torsional vibrations, a torque limiter unit for limiting a maximum transmissible torque, an outer hub connecting the multi-flange damper to the torque limiter unit for torque transmission, and an inner hub for connection to a transmission input shaft. The multi-flange damper has a plurality of flanges. The torque limiter unit is arranged radially inside the multi-flange damper and includes an inner plate and an outer plate. The outer hub is arranged radially between the multi-flange damper and the torque limiter unit and the inner hub is arranged radially inside the torque limiter unit. The outer hub includes an external toothing engaged with each of the plurality of flanges and an internal toothing engaged with the outer plate.

Abstract: A manipulator arm for a robot, including a printed circuit board motor and a transmission, the printed circuit board motor including a multi-layer board having at least one first solenoid coil with flat coils lying vertically on top of each other, the flat coils being connected electrically in series or in parallel, two vertically adjacent coils being orthogonally offset to each other in each case such that, in a cross-section perpendicular to the surface of the multi-layer board, conducting track portions of the one flat coil are arranged in partial overlap vertically with two conducting track portions of the other flat coil. A robot having at least one manipulator arm of this type and the use of a printed circuit board motor in a manipulator arm of a robot are also provided.

Abstract: A rotor shaft disconnect clutch assembly includes a housing, a rotor supported for rotation with respect to the housing and a shaft supported for rotation with respect to the housing. An outer ring may be fixed to the rotor and have a radially inner surface. A slipper ring may be disposed radially between the outer ring and the shaft. A plurality of rollers may be disposed between the radially inner surface of the outer ring and the radially outer surface of the slipper ring that is configured to radially compress the slipper ring in response to rotational displacement of the slipper ring relative to the outer ring. An armature may be rotationally fixed to the rotor and configured to slide axially with respect to the rotor. The armature may have a feature configured to selectively engage a feature of the slipper ring to rotationally position the slipper ring with respect to the outer ring. A solenoid may be fixed to the housing and configured to selectively exert an axial force on the armature.

Abstract: A generator module includes a housing arranged for mounting to a rear face of an internal combustion engine, a generator stator fixed in the housing, a generator rotor arranged radially inside of the generator stator, and a bearing arranged to support a radial inside of the generator rotor on the housing. The generator rotor may include a rotor carrier and a plurality of stacked plates secured to the rotor carrier. The bearing may be at least partially radially aligned with the plurality of stacked plates.

Abstract: A torque converter, including: a cover arranged to receive torque; an impeller including an impeller shell connected to the cover and at least one impeller blade; a turbine in fluid communication with the impeller and including a turbine shell and at least one turbine blade; and a stator assembly. The stator assembly includes: a stator including at least one stator blade axially disposed between the turbine and the impeller; a one-way clutch including an outer race non-rotatably connected to the stator and an inner race arranged to non-rotatably connect to a stator shaft; and a combination washer and seal including a first portion axially disposed between the turbine shell and the stator and a second portion extending radially inwardly from the first portion and arranged to at least partially seal against the stator shaft.

Abstract: An intermediate shaft assembly for a steering column is disclosed herein. The assembly includes a first shaft defining a cavity and a first bearing raceway, a second shaft arranged at least partially within the cavity of the first shaft, a sleeve arranged on an axial end of the second shaft and defining a second bearing raceway, and a bearing assembly including at least two rows of rolling elements and a cage. The rolling elements are supported between the first bearing raceway of the first shaft and the second bearing raceway of the sleeve. The sleeve can be heat treated, and formed from sheet metal. The sleeve can be secured to the axial end of the second shaft by a direct rotational connection such that the sleeve is rotationally fixed to the second shaft.

Abstract: A plate link chain includes a chain running direction, an axial direction, a radial direction, a plate link, and a rocker pin pair. Each rocker pin has a plate link side contact surface, a rolling surface, and axially opposite end faces. The end faces are inclined axially inwards from radially outside to radially inside, aligned transversely to the axial direction, and arranged for force transmitting contact with a conical pulley pair. The end faces have respective curvatures having a first curvature portion defined by a radial radius about a first axis parallel to the chain running direction, and a second curvature portion defined by an azimuthal radius about a second axis parallel to the radial direction. A magnitude of the radial radius increases from radially outside to radially central, or a magnitude of the azimuthal radius increases from forward to central with respect to the chain running direction.

Abstract: A hybrid module is provided that includes a water jacket and an oil reservoir. The water jacket can be configured to both directly provide a heat exchanger feature for a stator as well as the oil reservoir. Oil within the oil reservoir can be configured to be sprayed towards the stator at the same time that the water jacket is cooling the stator. This configuration provides an improved cooling effect for the stator.