Abstract: An oscillator circuit arrangement includes a switched capacitor circuit at least one capacitor selectively coupled to one of a supply terminal and a terminal for ground potential. A chopper circuit is disposed between the switched capacitor circuit and a comparator. The chopper circuit selectively couples one of input terminals and a reference potential terminal to its output terminals. A buffer circuit is coupled to the output of the comparator circuit. The buffer circuit is connected to the switched capacitor circuit and to the chopper circuit to control selective coupling operations therein.

Abstract: The peak comparator circuitry comprises a differential amplifier circuit having an output node to generate a differential amplifier output signal in response to an amplification of a difference of an input signal and a reference signal, and a comparator circuit having an output node to generate a comparator output signal. A feedback path of the peak comparator circuitry is arranged between the output node of the comparator circuit and the output node of the differential amplifier circuit. The proposed peak comparator circuitry allows for a low voltage supply, a low current consumption and a fast output validity.

Abstract: An optical system for use in a headlamp of a motor vehicle includes condenser optics formed by a condenser lens matrix and being provided to focus incoming light beams. It further includes at least one reflective shield being provided to reflect at least a subset of the focused light beams and to create a cut-off line of outgoing light beams. It further includes imaging optics formed by an imaging lens matrix, which is provided to project the focused light beams and the reflected light beams in front of the headlamp, such that the reflected light beams contribute to an intensity hotspot on one side of the cut-off line.

Abstract: A sensing system comprising a light filtering apparatus configured to pass a first wavelength of light corresponding to an emission spectrum characteristic of Mercury. The sensing system comprises a sensor configured to receive light passed by the light filtering apparatus and produce a sensor response that is indicative of the light passed by the light filtering apparatus. The sensing system comprises a processor configured to use the sensor response to distinguish between light emitted by a fluorescent light source and light emitted by a light emitting diode.

Abstract: A photodiode device includes a semiconductor substrate with a main surface, the semiconductor substrate being of a first type of electric conductivity. The main surface includes at least one incidence area for electromagnetic radiation. A plurality of doped wells of a second type of electric conductivity are arranged at the main surface of the substrate, the second type of electric conductivity being opposite to the first type of electric conductivity. The doped wells and the substrate are electrically contactable. The doped wells are arranged along a perimeter of the at least one incidence area, such that a center region of the incidence area is free from the doped wells.

Abstract: A device comprises a data terminal, a clock terminal and a digital circuitry. The data terminal is configured to be connected to a serial data line. The clock terminal is configured to be connected to a serial clock line for receiving a clock signal. The digital circuitry is coupled to the data terminal and to the clock terminal. The digital circuitry is configured to operate using a time base signal provided via a further clock terminal to the device or using an internal clock signal that is generated by an internal oscillator of the device. Furthermore, a method for operating a device is described.

Abstract: An oscillator circuit arrangement includes a switched capacitor circuit at least one capacitor selectively coupled to one of a supply terminal and a terminal for ground potential. A chopper circuit is disposed between the switched capacitor circuit and a comparator. The chopper circuit selectively couples one of input terminals and a reference potential terminal to its output terminals. A buffer circuit is coupled to the output of the comparator circuit. The buffer circuit is connected to the switched capacitor circuit and to the chopper circuit to control selective coupling operations therein.

Abstract: A photodiode device includes a semiconductor substrate with a main surface, the semiconductor substrate being of a first type of electric conductivity. At least one doped well of a second type of electric conductivity is arranged at the main surface of the substrate, the second type of electric conductivity being opposite to the first type of electric conductivity. The at least one doped well and the substrate are electrically contactable. A cover layer is arranged on the main surface of the substrate. The cover layer is at least one of an epi-layer of the first type of electric conductivity and a dielectric surface passivation layer comprising a plurality of space charges, or a combination thereof.

Abstract: An optical system for use in a headlamp of a motor vehicle includes condenser optics formed by a condenser lens matrix and being provided to focus incoming light beams. It further includes at least one reflective shield being provided to reflect at least a subset of the focused light beams and to create a cut-off line of outgoing light beams. It further includes imaging optics formed by an imaging lens matrix, which is provided to project the focused light beams and the reflected light beams in front of the headlamp, such that the reflected light beams contribute to an intensity hotspot on one side of the cut-off line.

Abstract: An optical absorbance spectrometer includes a sample housing, a light source and a spectral sensor. The sample housing comprises at least two sample cells configured to hold a sample, respectively, and includes an optical waveguide which is configured to guide light from an input side, through the sample cells, to an output side. The light source is operable to emit broadband light and is connected to the input side to couple emitted light into the optical waveguide. The spectral sensor is connected to the output side and operable to receive light from the optical waveguide and to detect the intensity of the received light at multiple wavelengths.

Abstract: A test strip cassette includes a housing defining a first opening being configured to receive a sample liquid, the housing further defining a second opening configured to provide an optical path into the housing, and a spacer structure. It further includes a carrier including at least one photodetector, the at least one photodetector being aligned with the second opening of the housing. It further includes a test strip including a sample pad aligned with the first opening and at least one active area aligned with the second opening and the at least one photodetector. The housing encloses the carrier and the test strip, such that the test strip is spaced from the carrier by the spacer structure and arranged between the second opening and the carrier.

Abstract: A method for forming a lift-off mask structure includes providing a substrate body, depositing a layer of bottom anti-reflective coating, BARC, over a surface of the substrate body, and depositing a layer of photosensitive resist over the BARC layer. The method further includes exposing the resist layer to electromagnetic radiation through a photomask, and forming the lift-off mask structure by applying a developer for selectively removing a portion of the BARC layer and of the resist layer such that an underlying portion of the surface of the substrate body is exposed.

Abstract: In at least one embodiment a camera system includes a multi-focus lens, an image sensor and an image processor. The multi-focus lens has a first focal length and a second focal length. The image processor is arranged downstream of the multi-focus lens. In operation, the image sensor generates a combined image according to the first and second focal lengths of the multi-focus lens. The image processor receives the combined image and separates the combined image into a first image of the first focal length and a second image of the second focal length.

Abstract: A module assembly for the detection of X-ray radiation includes an X-ray sensor being configured to receive a photon of the X-ray radiation and to provide an electrical signal in response to the received photon. The module assembly further includes a system-in-package structure for processing the electrical signal, the system-in-package structure including an input/output terminal, a first interposer and a second interposer and an integrated circuit which are arranged in a stacked configuration in the system-in-package structure. The package structure can be assembled on all four lateral sides and is thus four-side buttable so that contiguous modules can be mounted on all four sides without a gap between pixels to read out data from large-pixelated detectors of the X-ray sensor.

Abstract: A current mirror arrangement includes an input stage with a series connection of an input mirror transistor and an input cascode transistor between supply terminals. A buffer stage is configured to generate an input control voltage based on an input voltage for a gate terminal of the input mirror transistor, to generate an intermediate control voltage at a replica terminal based on the input voltage and to generate a compensation control voltage based on the input control voltage, the buffer stageincluding a compensation current mirror with an input side connected to a feedback terminal and with an output side being connected to the replica terminal.

Abstract: A sensing system comprising a light filtering apparatus configured to pass a first wavelength of light corresponding to an emission spectrum characteristic of Mercury. The sensing system comprises a sensor configured to receive light passed by the light filtering apparatus and produce a sensor response that is indicative of the light passed by the light filtering apparatus. The sensing system comprises a processor configured to use the sensor response to distinguish between light emitted by a fluorescent light source and light emitted by a light emitting diode.

Abstract: An apparatus comprises a display screen, and an optical sensor module which is disposed behind the display screen. The optical sensor module further comprises a light emitter operable to generate light having a wavelength for transmission through the display screen toward a target object. A light sensor is operable to sense light reflected by the target object and having the wavelength. A reducer is arranged for reducing the optical power density by increasing a diameter of a light beam generated by the light emitter on the display screen, wherein the reducer is disposed between the light emitter and the display screen so as to intersect the light beam generated by the light emitter.

Abstract: It is proposed to use self-mixing interferometry for determining an absorption. The monitoring device for use in lateral flow testing for detecting presence or amount of an analyte in a liquid includes a housing, the housing including a carrier holder for holding a carrier for transport of the liquid; at least a first light source which is a resonant-cavity light source having a cavity; and an evaluation unit, operationally connected to at least the first light source for detecting a measurement signal. The first light source is structured and arranged to illuminate with light a test range in a test area of a carrier held in the carrier holder; and to couple back into the cavity of the first light source a portion of the light coming back from the test range.

Abstract: A low-dropout regulator for low voltage applications includes a buffer circuit being arranged between an output terminal of an error amplifier and a control node of a pass device. The buffer circuit includes a driver having a first transistor being embodied as an NMOS transistor. The output terminal of the error amplifier is coupled to the control node of the first transistor. The control node of the pass device is coupled to an internal node of a first current path including the first transistor. The low-dropout regulator has high load capability, even if an input supply voltage is very low.

Abstract: A driver circuit for low voltage differential signaling, LVDS, includes a phase alignment circuit including an input configured to receive an input signal, a first output configured to provide an internal signal as a function of the input signal, and a second output configured to provide an inverted internal signal, which is the inverted signal of the internal signal, and an output driver circuit coupled to the phase alignment circuit, the output driver circuit including a first input configured to receive the internal signal, a second input configured to receive the inverted internal signal, a first output configured to provide an output signal as a function of the internal signal and a second output configured to provide an inverted output signal which is the inverted signal of the output signal. Therein the phase alignment circuit is configured to provide the inverted internal signal with its phase being aligned to a phase of the internal signal.