Abstract: A self-calibrating driver circuit (100, 300, 400, 500, 700) for a laser diode is disclosed. The circuit comprises a configurable current source (105, 305, 405, 505), a current mirror (115, 315, 415) configured to mirror a current from the configurable current source to a first transistor (120, 320, 420, 520, 720) and to a second transistor (125, 325, 425, 725), and a control circuit (140, 340, 440). The control circuit is configured to monitor a current through the first transistor at a first time, and to configure the current source based on the current through the first transistor to provide a desired current to the second transistor for driving the laser diode at a subsequent second time. A radiation-emitting device comprising one or more of the self-calibrating driver circuits and at least one radiation-emitting element is also disclosed.

Abstract: An apparatus and method for current peak detection. The apparatus includes a pulse laser diode array, a sense resistor, a capacitive voltage divider (CVD) electrically coupled to the pulse laser diode array, a first current rectifier, a second current rectifier, a first current peak detector, a second current peak detector, an analog-to-digital converter (ADC) operable to convert the analog outputs from each current peak detector to a digital output signal, and a digital signal processing (DSP) unit operable to detect, from the digital output signal, a current peak pulse at the top and the bottom of the sense resistor.

Abstract: An oscillator circuit arrangement comprises an inverter having input and output terminals that are to be connected to a crystal device. An automatic gain control device controls a current source that supplies current to the inverter. First and second diode devices having different orientation are connected between the input and the output of the inverter. The oscillator consumes low power and has a fast recovery time after an electromagnetic interference event. The oscillator can be used in electronic labels.

Abstract: An oscillator circuit arrangement comprises an inverter having input and output terminals that are to be connected to a crystal device. An automatic gain control device controls a current source that supplies current to the inverter. First and second diode devices having different orientation are connected between the input and the output of the inverter. The oscillator consumes low power and has a fast recovery time after an electromagnetic interference event. The oscillator can be used in electronic labels.

Abstract: An electronic circuit arrangement for receiving low-frequency electromagnetic waves is proposed, having an inductor (L) acting as an antenna for generating a received signal, having a first receiver (2), connected to the inductor (L), for decoding a first component of the received signal and having a second receiver (3), connected to the inductor (L), for decoding a second component of the received signal, wherein at least the second receiver (3) is connected to the inductor (L) via an attenuator element (4) having adjustable attenuation, wherein at least one adjustment signal generation circuit (5, 6) is provided for generating an adjustment signal corresponding to a voltage of the received signal which is fed to the attenuator element (4) for adjusting the attenuation.

Abstract: A transponder for receiving a wireless electromagnetic query signal and for transmitting a wireless electromagnetic response signal with a coil acting as a first antenna for generating a first wired electrical incoming signal from the query signal and with at least one further coil acting as an antenna for generating a further wired electrical incoming signal from the query signal, and wherein an axis of the first coil and an axis of the further coil are differently aligned in space, and wherein the coils are assigned at least one means for limiting the voltage of the respective incoming signals, and wherein the incoming signals are routed, respectively, via a first full-wave rectifier for generating a rectified incoming signal, and wherein the rectified incoming signals are routed, respectively, to a current-controlled source of current for generating a current signal that corresponds to the respective incoming signal, and wherein the current signals are routed, respectively, to a peak value of current detec

Abstract: An electronic circuit arrangement for receiving low-frequency electromagnetic waves is proposed, having an inductor (L) acting as an antenna for generating a received signal, having a first receiver (2), connected to the inductor (L), for decoding a first component of the received signal and having a second receiver (3), connected to the inductor (L), for decoding a second component of the received signal, wherein at least the second receiver (3) is connected to the inductor (L) via an attenuator element (4) having adjustable attenuation, wherein at least one adjustment signal generation circuit (5, 6) is provided for generating an adjustment signal corresponding to a voltage of the received signal which is fed to the attenuator element (4) for adjusting the attenuation.

Abstract: Proposed is a transponder for receiving a wireless electromagnetic interrogation signal and for transmitting a wireless electromagnetic response signal with a first coil acting as an antenna for generating a first wired electrical receive signal from the interrogation signal, and with at least one further coil acting as an antenna for generating a further wired electrical receive signal from the interrogation signal, wherein an axis of the first coil and an axis of the further coil are aligned differently in the space, wherein in each case one full-wave rectifier for rectifying the respective receive signal is assigned to the coils, wherein a summing element for summing up the rectified receive signals generated by the full-wave rectifiers is provided in order to generate in this manner a pulsating sum signal, the frequency of which corresponds to twice the frequency of the interrogation signal.

Abstract: An electronic circuit arrangement for receiving low-frequency electromagnetic waves is proposed, having an inductor (L) acting as an antenna for generating a received signal, having a first receiver (2), connected to the inductor (L), for decoding a first component of the received signal and having a second receiver (3), connected to the inductor (L), for decoding a second component of the received signal, wherein at least the second receiver (3) is connected to the inductor (L) via an attenuator element (4) having adjustable attenuation, wherein at least one adjustment signal generation circuit (5, 6) is provided for generating an adjustment signal corresponding to a voltage of the received signal which is fed to the attenuator element (4) for adjusting the attenuation.

Abstract: A transponder for receiving a wireless electromagnetic query signal and for transmitting a wireless electromagnetic response signal with a coil acting as a first antenna for generating a first wired electrical incoming signal from the query signal and with at least one further coil acting as an antenna for generating a further wired electrical incoming signal from the query signal, and wherein an axis of the first coil and an axis of the further coil are differently aligned in space, and wherein the coils are assigned at least one means for limiting the voltage of the respective incoming signals, and wherein the incoming signals are routed, respectively, via a first full-wave rectifier for generating a rectified incoming signal, and wherein the rectified incoming signals are routed, respectively, to a current-controlled source of current for generating a current signal that corresponds to the respective incoming signal, and wherein the current signals are routed, respectively, to a peak value of current detec

Abstract: An electronic circuit arrangement for receiving low-frequency electromagnetic waves is proposed, having an inductor (L) acting as an antenna for generating a received signal, having a first receiver (2), connected to the inductor (L), for decoding a first component of the received signal and having a second receiver (3), connected to the inductor (L), for decoding a second component of the received signal, wherein at least the second receiver (3) is connected to the inductor (L) via an attenuator element (4) having adjustable attenuation, wherein at least one adjustment signal generation circuit (5, 6) is provided for generating an adjustment signal corresponding to a voltage of the received signal which is fed to the attenuator element (4) for adjusting the attenuation.

Abstract: Proposed is a transponder for receiving a wireless electromagnetic interrogation signal and for transmitting a wireless electromagnetic response signal with a first coil acting as an antenna for generating a first wired electrical receive signal from the interrogation signal, and with at least one further coil acting as an antenna for generating a further wired electrical receive signal from the interrogation signal, wherein an axis of the first coil and an axis of the further coil are aligned differently in the space, wherein in each case one full-wave rectifier for rectifying the respective receive signal is assigned to the coils, wherein a summing element for summing up the rectified receive signals generated by the full-wave rectifiers is provided in order to generate in this manner a pulsating sum signal, the frequency of which corresponds to twice the frequency of the interrogation signal.

Abstract: Proposed is a transponder for receiving a wireless electromagnetic interrogation signal and for transmitting a wireless electromagnetic response signal with a first coil acting as an antenna for generating a first wired electrical receive signal from the interrogation signal, and with at least one further coil acting as an antenna for generating a further wired electrical receive signal from the interrogation signal, wherein an axis of the first coil and an axis of the further coil are aligned differently in the space, wherein in each case one full-wave rectifier for rectifying the respective receive signal is assigned to the coils, wherein a summing element for summing up the rectified receive signals generated by the full-wave rectifiers is provided in order to generate in this manner a pulsating sum signal, the frequency of which corresponds to twice the frequency of the interrogation signal.

Abstract: An electronic circuit arrangement for receiving low-frequency electromagnetic waves is proposed, having an inductor (L) acting as an antenna for generating a received signal, having a first receiver (2), connected to the inductor (L), for decoding a first component of the received signal and having a second receiver (3), connected to the inductor (L), for decoding a second component of the received signal, wherein at least the second receiver (3) is connected to the inductor (L) via an attenuator element (4) having adjustable attenuation, wherein at least one adjustment signal generation circuit (5, 6) is provided for generating an adjustment signal corresponding to a voltage of the received signal which is fed to the attenuator element (4) for adjusting the attenuation.

Abstract: An electronic circuit arrangement for receiving low-frequency electromagnetic waves is proposed, having an inductor (L) acting as an antenna for generating a received signal, having a first receiver (2), connected to the inductor (L), for decoding a first component of the received signal and having a second receiver (3), connected to the inductor (L), for decoding a second component of the received signal, wherein at least the second receiver (3) is connected to the inductor (L) via an attenuator element (4) having adjustable attenuation, wherein at least one adjustment signal generation circuit (5, 6) is provided for generating an adjustment signal corresponding to a voltage of the received signal which is fed to the attenuator element (4) for adjusting the attenuation.

Abstract: A transponder is disclosed to receive a wireless electromagnetic query signal and transmit a corresponding wireless electromagnetic response signal. The transponder comprises a first coil and at least one further coil that function as antennas to receive the wireless electromagnetic query signal and generate separate wired electrical incoming signals. An axis of the first coil and an axis of the at least one further coil are differently aligned in space, and each coil is associated with at least one means for limiting the voltage of the respective incoming signal. The separate wired electrical incoming signals are rectified and converted to current signals. The peak values of the current signals are detected and compared, such that a control signal is generated to identify one coil between the first coil and the at least one further coil that has a larger peak value of current.

Abstract: Proposed is a transponder for receiving a wireless electromagnetic interrogation signal and for transmitting a wireless electromagnetic response signal with a first coil acting as an antenna for generating a first wired electrical receive signal from the interrogation signal, and with at least one further coil acting as an antenna for generating a further wired electrical receive signal from the interrogation signal, wherein an axis of the first coil and an axis of the further coil are aligned differently in the space, wherein in each case one full-wave rectifier for rectifying the respective receive signal is assigned to the coils, wherein a summing element for summing up the rectified receive signals generated by the full-wave rectifiers is provided in order to generate in this manner a pulsating sum signal, the frequency of which corresponds to twice the frequency of the interrogation signal.