Abstract: A digital envelop tracker for a power amplifier. The digital envelop tracker includes a supply filter for filtering a supply voltage to a power amplifier, a level selection circuitry configured to determine a level of supply voltage based on an instantaneous power of an input data stream, schedule a series of switching events based on the determined level of supply voltage, and generate a level select signal based on the scheduled series of switching events, and a switch for connecting one of supply voltages to the supply filter based on the level select signal. The level selection circuitry schedules a primary switching event of the switch based on the determined level of supply voltage and secondary switching events of the switch delayed with respect to the primary switching event based on the determined level of supply voltage to generate a filter response of the supply filter with smaller peaking.

Abstract: The disclosure relates to control electronics in a modular design, comprising an electronic base module and a plurality of functional modules, wherein: the base module provides at least one DC link voltage UZK at a voltage supply output for the voltage supply of the functional modules and the functional modules are electrically and mechanically connected to the base module and are supplied with the DC link voltage UZK by the base module; the base module and the functional modules each have a carrier having electronic components, the electronic components of the base module producing the DC link voltage UZK, at least one functional module being fastened to the carrier of the base module; and the electronic components of the base module and of the functional modules are arranged separate from one another by means of a thermal decoupling and/or an EMC shield.

Abstract: A digital envelop tracker for a power amplifier. The digital envelop tracker includes a supply filter for filtering a supply voltage to a power amplifier, a level selection circuitry configured to determine a level of supply voltage based on an instantaneous power of an input data stream, schedule a series of switching events based on the determined level of supply voltage, and generate a level select signal based on the scheduled series of switching events, and a switch for connecting one of supply voltages to the supply filter based on the level select signal. The level selection circuitry schedules a primary switching event of the switch based on the determined level of supply voltage and secondary switching events of the switch delayed with respect to the primary switching event based on the determined level of supply voltage to generate a filter response of the supply filter with smaller peaking.

Abstract: The present disclosure relates to a wireless-chargeable device and an apparatus for controlling a magnetic field strength of a magnetic field generated by an electromagnet. The wireless-chargeable device includes an electromagnet (102) and a control circuit (104). The control circuit (104) is configured to control a magnetic field strength generated by an electro-magnet for alignment of a power-receiving coil (106) of the wireless-chargeable device with respect to a power-transmitting coil of a wireless power supply device.

Abstract: The disclosure generally relates to compositions and methods for the enzymatic synthesis of nucleic acid sequences. In particular embodiments 3? protected nucleotides are used in conjunction with a universal template to direct synthesis.

Abstract: The disclosure relates to control electronics in a modular design, comprising an electronic base module and a plurality of functional modules, wherein: the base module provides at least one DC link voltage UZK at a voltage supply output for the voltage supply of the functional modules and the functional modules are electrically and mechanically connected to the base module and are supplied with the DC link voltage UZK by the base module; the base module and the functional modules each have a carrier having electronic components, the electronic components of the base module producing the DC link voltage UZK, at least one functional module being fastened to the carrier of the base module; and the electronic components of the base module and of the functional modules are arranged separate from one another by means of a thermal decoupling and/or an EMC shield.

Abstract: An apparatus for amplifying an input signal is provided. The apparatus includes an output stage to generate an output signal. The apparatus further includes a compensation signal generator configured to generate a compensation signal based on at least one of a voltage value of the input signal or a voltage value of the output signal. The apparatus further includes a combiner configured to generate a control signal for the output stage based on a target signal, the compensation signal and a signal related to a current value of the output stage. The target signal corresponds to a desired output signal. The output stage is configured to generate the output signal using the control signal.

Abstract: A power supply apparatus including a signal generator circuit configured to generate a plurality of power supply signals via at least one DC-to-DC converter, the plurality of power supply signals including a first power supply signal on a first output path and a second power supply signal on a second output path that is independent of the first output path, the first power supply signal being different from the second power supply signal. The apparatus includes a switching circuit to provide during a first operating mode, a first combined power supply signal on the first output path based on the first power supply signal and a third power supply signal of the plurality of power supply signals. The switching circuit provides during a second operating mode, a second combined power supply signal on the second output path based on the second power supply signal and the third power supply signal.

Abstract: An apparatus for amplifying an input signal is provided. The apparatus includes an output stage to generate an output signal. The apparatus further includes a compensation signal generator configured to generate a compensation signal based on at least one of a voltage value of the input signal or a voltage value of the output signal. The apparatus further includes a combiner configured to generate a control signal for the output stage based on a target signal, the compensation signal and a signal related to a current value of the output stage. The target signal corresponds to a desired output signal. The output stage is configured to generate the output signal using the control signal.

Abstract: An apparatus for generating a plurality of power supply signals for a plurality of power amplifiers configured to amplify radio frequency transmit signals includes a first power supply circuit configured to generate a first power supply signal and a different second power supply signal. The first power supply circuit is configured to provide the first power supply signal to a first output path and the second power supply signal to a second output path. Further, the apparatus includes a second power supply circuit configured to generate a third power supply signal. Still further, the apparatus includes a switching circuit configured to couple the second power supply circuit to the first output path in a first operating mode to provide a first combined power supply signal at an output of the first output path based on the first power supply signal and the third power supply signal.

Abstract: An apparatus for amplifying an input signal is provided. The apparatus includes an output stage to generate an output signal. The apparatus further includes a compensation signal generator configured to generate a compensation signal based on at least one of a voltage value of the input signal or a voltage value of the output signal. The apparatus further includes a combiner configured to generate a control signal for the output stage based on a target signal, the compensation signal and a signal related to a current value of the output stage. The target signal corresponds to a desired output signal. The output stage is configured to generate the output signal using the control signal.

Abstract: An apparatus for generating a plurality of power supply signals for a plurality of power amplifiers configured to amplify radio frequency transmit signals includes a first power supply circuit configured to generate a first power supply signal and a different second power supply signal. The first power supply circuit is configured to provide the first power supply signal to a first output path and the second power supply signal to a second output path. Further, the apparatus includes a second power supply circuit configured to generate a third power supply signal. Still further, the apparatus includes a switching circuit configured to couple the second power supply circuit to the first output path in a first operating mode to provide a first combined power supply signal at an output of the first output path based on the first power supply signal and the third power supply signal.

Abstract: An apparatus for amplifying an input signal is provided. The apparatus includes an output stage to generate an output signal. The apparatus further includes a compensation signal generator configured to generate a compensation signal based on at least one of a voltage value of the input signal or a voltage value of the output signal. The apparatus further includes a combiner configured to generate a control signal for the output stage based on a target signal, the compensation signal and a signal related to a current value of the output stage. The target signal corresponds to a desired output signal. The output stage is configured to generate the output signal using the control signal.

Abstract: A multi-phase amplifier circuit includes an amplification circuit configured to generate a plurality of phase signals and to provide the plurality of phase signals to a plurality of inductors. An inductive coupling between a first pair of inductors differs from an inductive coupling between a second pair of inductors by a first coupling difference. The amplification circuit is configured to provide two phase signals comprising a first phase difference of less than 180° to the first pair of inductors and two further phase signals comprising the first phase difference to the second pair of inductors. An inductive coupling between a third pair of inductors differs from an inductive coupling between a fourth pair of inductors by a second coupling difference. The amplification circuit is configured to provide two phase signals comprising a second phase difference of 180° to the third pair of inductors and two further phase signals comprising the second phase difference to the fourth pair of inductors.

Abstract: The disclosure generally relates to compositions and methods for the enzymatic synthesis of nucleic acid sequences. In particular embodiments 3? protected nucleotides are used in conjunction with a universal template to direct synthesis.

Abstract: Systems and methods implementing dithered hysteretic current control are discussed. One system can include a switched-mode power supply, a control component, and a dither component. The control component can detect a crossing of a first threshold associated with a first mode of the switched-mode power supply, and generate first and second control signals, wherein the first control signal is based on the crossing of the first threshold. The dither component can receive the first control signal, delay the first control signal for a first random time period, and output the first control signal to the switched-mode power supply. The switched-mode power supply can receive the first control signal and the second control signal, switch from the first mode to a second mode based on the first control signal, and switch from the second mode to the first mode based on the second control signal.

Abstract: The present disclosure relates to a wireless-chargeable device and an apparatus for controlling a magnetic field strength of a magnetic field generated by an electromagnet. The wireless-chargeable device includes an electromagnet (102) and a control circuit (104). The control circuit (104) is configured to control a magnetic field strength generated by an electro-magnet for alignment of a power-receiving coil (106) of the wireless-chargeable device with respect to a power-transmitting coil of a wireless power supply device.

Abstract: A multi-phase amplifier circuit includes an amplification circuit configured to generate a plurality of phase signals and to provide the plurality of phase signals to a plurality of inductors. An inductive coupling between a first pair of inductors differs from an inductive coupling between a second pair of inductors by a first coupling difference. The amplification circuit is configured to provide two phase signals comprising a first phase difference of less than 180° to the first pair of inductors and two further phase signals comprising the first phase difference to the second pair of inductors. An inductive coupling between a third pair of inductors differs from an inductive coupling between a fourth pair of inductors by a second coupling difference. The amplification circuit is configured to provide two phase signals comprising a second phase difference of 180° to the third pair of inductors and two further phase signals comprising the second phase difference to the fourth pair of inductors.

Abstract: An apparatus for generating a plurality of power supply signals for a plurality of power amplifiers configured to amplify radio frequency transmit signals includes a first power supply circuit configured to generate a first power supply signal and a different second power supply signal. The first power supply circuit is configured to provide the first power supply signal to a first output path and the second power supply signal to a second output path. Further, the apparatus includes a second power supply circuit configured to generate a third power supply signal. Still further, the apparatus includes a switching circuit configured to couple the second power supply circuit to the first output path in a first operating mode to provide a first combined power supply signal at an output of the first output path based on the first power supply signal and the third power supply signal.

Abstract: An audio output device is described comprising a speaker; an audio output circuit configured to receive a first audio signal and configured to supply the first audio signal and a second audio signal to the speaker, wherein the second audio signal comprises a higher frequency than the first audio signal; a microphone configured to receive an acoustic signal from the speaker in response to the first audio signal and the second audio signal and to convert the acoustic signal into a received audio signal and a determiner configured to determine a phase of a frequency component of the received audio signal corresponding to the second audio signal and to determine an excursion of the speaker by the first audio signal based on the phase.