Abstract: A probe card for a wafer tester includes a mother card having a reinforcing element and at least one daughter card which is rigidly connected to the reinforcing element detachably. The mother card includes electrical contacts for producing an electrical connection with the wafer tester. The at least one daughter card includes electrical contact elements for making contact with an electrical circuit on a wafer. In addition, the mother card and the at least one daughter card are electrically detachably connected to one another via an electrical interface.

Abstract: An integrated circuit is described herein. According to one or more embodiments, the integrated circuit includes a local oscillator with a voltage-controlled oscillator (VCO) that generates a local oscillator signal. Further, the integrated circuit includes a frequency divider coupled to the VCO downstream thereof. The frequency divider provides a frequency-divided local oscillator signal by reducing the frequency of the local oscillator signal by a constant factor. A first test pad of the integrated circuit is configured to receive a reference oscillator signal. Further, the integrated circuit includes a first mixer that receives the reference oscillator signal and the frequency-divided local oscillator signal to down-convert the frequency-divided local oscillator signal.

Abstract: A radar sensor includes a mixer configured to receive an radio frequency (RF) input signal to down-convert the RF input signal into a base-band or intermediate frequency (IF) band, an analog-to-digital converter (ADC), and a signal processing chain coupled between the mixer and the ADC. The radar sensor further includes an oscillator circuit that is configured to generate a test signal. The ADC is coupled to an output of the signal processing chain, and is configured to generate a digital signal by digitizing an output signal of the signal processing chain, the output signal being derived from the test signal. The radar sensor further includes a digital signal processing circuit coupled to the ADC downstream thereof, the digital signal processing circuit being configured to perform a spectral analysis on frequency values of the digital signal.

Abstract: One exemplary embodiment of the present invention relates to a circuit that includes at least one RF signal path for an RF signal and at least one power sensor, which is coupled to the RF signal path and configured to generate a sensor signal representing the power of the RF signal during normal operation of the circuit. The circuit further includes a circuit node for receiving an RF test signal during calibration operation of the circuit. The circuit node is coupled to the at least one power sensor, so that the at least one power sensor receives the RF test signal additionally or alternatively to the RF signal and generates the sensor signal as representing the power of the RF test signal.

Abstract: A method is disclosed use with a circuit device that includes a circuit having a predetermined voltage-current characteristic and a detector configured to detect a voltage-current relation of the circuit. The method includes using the detector to detect the voltage-current relation of the circuit, and indicating if the detected voltage-current relation differs from the predetermined voltage-current characteristic. A circuit device includes a circuit having a predetermined voltage-current characteristic, and a detector configured to detect a voltage-current relation of the circuit. The circuit device is configured to indicate if the detected voltage-current relation differs from the predetermined voltage-current characteristic.

Abstract: An integrated circuit is described herein. According to one or more embodiments, the integrated circuit includes a local oscillator with a voltage-controlled oscillator (VCO) that generates a local oscillator signal. Further, the integrated circuit includes a frequency divider coupled to the VCO downstream thereof. The frequency divider provides a frequency-divided local oscillator signal by reducing the frequency of the local oscillator signal by a constant factor. A first test pad of the integrated circuit is configured to receive a reference oscillator signal. Further, the integrated circuit includes a first mixer that receives the reference oscillator signal and the frequency-divided local oscillator signal to down-convert the frequency-divided local oscillator signal.

Abstract: A radio frequency (RF) receive circuit is described herein. In accordance with one embodiment, the RF receive circuit includes a mixer configured to receive an RF input signal to down-convert the RF input signal into a base-band or intermediate frequency (IF) band, an analog-to-digital converter (ADC), and a signal processing chain coupled between the mixer and the ADC. The signal processing chain includes at least two circuit nodes. The RF receive circuit further includes an oscillator circuit that is configured to generate a test signal. The oscillator circuit is coupled to the signal processing chain and is configured to selectively feed the oscillator signal into one of the at least two circuit nodes.

Abstract: A radar device comprises a test signal generator including a digital harmonic oscillator that generates a digital oscillator signal with a first spectral component; a first digital-to-analog-converter that generates an analog oscillator signal based on the digital oscillator signal. Furthermore, the radar device comprises at least one radar channel receiving the analog oscillator signal during one or more self-tests.

Abstract: A method for operating a hearing device for a user having tinnitus includes converting an acoustic input signal into a corresponding converted input signal, applying a transfer function to the converted input signal for generating a processed input signal, generating a stimulation signal depending on characteristics of a perceived disturbing internal signal resulting from a tinnitus perceived by a prospective user of the hearing device, limiting the stimulation signal by applying a predefined limiting scheme thereby generating a limited stimulation signal, superimposing the limited stimulation signal onto the processed signal thereby generating an output signal, and feeding the output signal to an output transducer for generating a hearing device output signal.

Abstract: An integrated circuit is described herein. According to one or more embodiments, the integrated circuit includes a local oscillator with a voltage-controlled oscillator (VCO) that generates a local oscillator signal. Further, the integrated circuit includes a frequency divider coupled to the VCO downstream thereof. The frequency divider provides a frequency-divided local oscillator signal by reducing the frequency of the local oscillator signal by a constant factor. A first test pad of the integrated circuit is configured to receive a reference oscillator signal. Further, the integrated circuit includes a first mixer that receives the reference oscillator signal and the frequency-divided local oscillator signal to down-convert the frequency-divided local oscillator signal.

Abstract: A test set-up for testing a system-in package with an integrated antenna is described herein. According to one exemplary embodiment, the test set-up includes a carrier with an RF probe arranged thereon and a test socket with resilient electric contacts. The test socket is mounted on the carrier and provides an electric contact to interconnects of the package when it is placed on the test socket. The test socket has an opening which is arranged superjacent to the RF probe.

Abstract: A radio frequency (RF) receive circuit is described herein. In accordance with one embodiment, the RF receive circuit includes a mixer configured to receive an RF input signal to down-convert the RF input signal into a base-band or intermediate frequency (IF) band, an analog-to-digital converter (ADC), and a signal processing chain coupled between the mixer and the ADC. The signal processing chain includes at least two circuit nodes. The RF receive circuit further includes an oscillator circuit that is configured to generate a test signal. The oscillator circuit is coupled to the signal processing chain and is configured to selectively feed the oscillator signal into one of the at least two circuit nodes.

Abstract: A compound may include a set of integrated circuits. An integrated circuit, of the set of integrated circuits, may include calibration standards integrated at a silicon layer of the integrated circuit. The integrated circuit may be included in a package, and a calibration standard, of the calibration standards, may be available to at least one port of a set of ports of the integrated circuit.

Abstract: The present invention relates to an electrical component, in particular for surface mounting, comprising a housing body, preferably configured as a housing block, comprising a plurality of contact pins which project from the housing body, at least in portions, and comprising at least one orientation element on which, at least in the operating position thereof, the contact pins rest orientated along a predetermined contact contour (K), at least in portions. According to the invention, by installing the at least one orientation element with spacing from the housing body a component can be provided which is simple and cost-effective to produce, versatile and can be fitted in a reliable manner.

Abstract: One exemplary embodiment of the present invention relates to a circuit that includes at least one RF signal path for an RF signal and at least one power sensor, which is coupled to the RF signal path and configured to generate a sensor signal representing the power of the RF signal during normal operation of the circuit. The circuit further includes a circuit node for receiving an RF test signal during calibration operation of the circuit. The circuit node is coupled to the at least one power sensor, so that the at least one power sensor receives the RF test signal additionally or alternatively to the RF signal and generates the sensor signal as representing the power of the RF test signal.

Abstract: A method for operating a hearing device for a user having tinnitus includes converting an acoustic input signal into a corresponding converted input signal, applying a transfer function to the converted input signal for generating a processed input signal, generating a stimulation signal depending on characteristics of a perceived disturbing internal signal resulting from a tinnitus perceived by a prospective user of the hearing device, limiting the stimulation signal by applying a predefined limiting scheme thereby generating a limited stimulation signal, superimposing the limited stimulation signal onto the processed signal thereby generating an output signal, and feeding the output signal to an output transducer for generating a hearing device output signal.

Abstract: A probe card for a wafer tester includes a mother card having a reinforcing element and at least one daughter card which is rigidly connected to the reinforcing element detachably. The mother card includes electrical contacts for producing an electrical connection with the wafer tester. The at least one daughter card includes electrical contact elements for making contact with an electrical circuit on a wafer. In addition, the mother card and the at least one daughter card are electrically detachably connected to one another via an electrical interface.

Abstract: An activation unit for explosive masses or explosive bodies includes an ejector tube and high-performance heating elements mounted around the ejector tube, each made of at least one heating wire supplied with electrical power by a control unit. Each heating wire is enclosed in a casing and embedded in a material minimizing heat loss. When the explosive body is passed through the activation unit, the jacket surface of the explosive body contacts the individual elements of the activation unit in a direct or non-contact manner. Thermal energy is transferred to the explosive body by means of the heating wires, and the body ignites at the contact points. A further activation unit includes heating elements in the ejector tube, at least partially fed longitudinally through the ejector tube, made of heating wire clad with CrNi steel and contact plates soldered thereto.

Abstract: A device for stabilizing a launcher, in particular during the firing of camouflage bodies and decoy flares or other systems in which vibrations can build up, thereby subjecting them to shocks. The device is a stabilizer (4) provided on a known damping system (1), for example a metal cable damper etc., into which a re-adjustable system (10), consisting of a rod (11) provided with a curved portion or groove, a pre-loaded device (12), a type of pressure part (13) and a type of pawl part (14), is placed. Pressure can be exerted on the curved portion of the rod (11) by the pre-loaded device (12) using the pressure part (13) and pawl part (14).

Abstract: An activation unit for explosive masses or explosive bodies includes an ejector tube and high-performance heating elements mounted around the ejector tube, each made of at least one heating wire supplied with electrical power by a control unit. Each heating wire is enclosed in a casing and embedded in a material minimizing heat loss. When the explosive body is passed through the activation unit, the jacket surface of the explosive body contacts the individual elements of the activation unit in a direct or non-contact manner. Thermal energy is transferred to the explosive body by means of the heating wires, and the body ignites at the contact points. A further activation unit includes heating elements in the ejector tube, at least partially fed longitudinally through the ejector tube, made of heating wire clad with CrNi steel and contact plates soldered thereto.