15results about "Analogue/digital/analogue conversion" patented technology

The phono preamplifier, which processes the audio output signal from the turntable, is powered by a variable voltage adapter, such as a USB-C to PD power adapter.

This application relates to analog-to-digital converters (ADCs) and memory devices including ADCs. This disclosure relates to electronic devices. An ADC includes: an input voltage provider configured to output an input voltage during multiple phases; a comparator configured to output a comparison result between the input voltage and one of a plurality of comparison reference voltages; a successive approximation register configured to output at least one of a plurality of bits of digital data based on the comparison result; and a digital-to-analog converter (DAC) configured to provide one of a plurality of comparison reference voltages to the comparator based on the at least one bit, wherein the DAC includes a plurality of transistors connected in parallel with each other, and the DAC is configured to selectively receive the plurality of reference voltages to generate a comparison reference voltage.

An example display driving device includes a level shifter and a digital-analog converter (DAC). The level shifter is configured to receive image data and a bias control signal, to generate decoded image data including a plurality of bits by level shifting the image data, and to control an output bias current of the decoded image data based on the bias control signal. The DAC is configured to receive the decoded image data and a plurality of gamma voltages, to select one gamma voltage of the plurality of gamma voltages based on the decoded image data, and to output the selected gamma voltage.

Featuring track-and-hold functionality: a sampling buffer; a sampling network for sampling a buffered input signal from the sampling buffer onto a capacitor, wherein the sampling network includes a dither capacitor for coupling an additive dither to a summing node of the sampling network; and a hold buffer for receiving a hold signal from the sampling network.

Apparatuses, systems, and methods for data acquisition (DAQ) devices, and more particularly to apparatuses, systems, and methods for a simultaneously sampled DAQ device with flexible input terminal configurations. A DAQ device can be configured, e.g., via programmable driver software, to simultaneously sample analog input (AI) channels in differential mode or simultaneously sample AI+ and AI− signals in a single ended mode (RSE or NRSE). In addition, a DAQ device can be configured, e.g., via programmable driver software, to simultaneously sample AI channels in differential mode or pseudo-simultaneously sample AI+ and AI− signals in single ended mode (RSE or NRSE), e.g., all AI+ channels sampled simultaneously and then all AI− channels sample simultaneously.

Described herein are a system and method for software controller that can facilitate configuration of a plurality of audio devices in an audio distribution system and wherein such configuration includes substantially automating such configuration for existing audio devices and audio devices that will be installed in the future. Information is obtained from each of a plurality of audio devices in an audio distribution system and when configuration information is received in the audio distribution system regarding a particular audio device, such that the specific audio device operates in a known manner, that configuration information is copied to others of the same specific type of audio device in the audio distribution system.

A converter may include multiple converter stages connected in series. Each converter stage may receive a clock signal and an analog input signal, and may generate an analog output signal and a digital output signal. Each converter stages may include an encoder generating the digital output signal, a decoder generating a reconstructed signal, a delaying converter generating a delayed signal, and an amplifier generating a residue signal, wherein the delayed signal may be a continuous current signal.

An ADC circuit includes an ADC that converts an input analog signal into a digital signal. The ADC circuit includes a filter circuit that receives the analog input signal and provides a filtered signal to a synthesizer circuit. The ADC circuit includes a DAC that converts the digital signal back into an analog signal provided to a synthesizer circuit. The DAC includes one or more capacitive paths having capacitors between an input of the DAC and an output of the DAC.

An optical analog-to-digital converter (O-ADC) converts an input optical signal (IOS) into an output digital signal. The O-ADC includes ADC stages, each of which can generate an electrical bit of the output digital signal and an optical bit. An ADC stage can include a photodetector, an ADC circuit, and an optical output circuit. The photodetector generates an analog electrical signal based on a portion of the IOS. The ADC circuit generates a digital electrical signal (electrical bit) based on the analog electrical signal and a reference analog electrical signal, which is based on a portion of a reference optical signal (ROS). The optical output circuit provides an output optical signal (OOS) (optical bit) based on the digital electrical signal and the portion of the ROS. Photodetectors of subsequent ADC stages generate analog electrical signals based further on an OOS from an optical output circuit of a previous respective ADC stage.

An integrated circuit (100 A) includes an H-bridge circuit (102) having a first output node (OUT1) for coupling to a high-side terminal of an inductor (103) and a second output node (OUT2) for coupling to a low-side terminal of the inductor. A current sense FET (SNS-DRV) is coupled between a current source (110) and the lower supply voltage to provide a reference current (Itrip) that includes a peak current limit at a sensing node. A current-sense comparator (104) has a first input coupled to the sensing node, a second input coupled to the second output node and an output (113) coupled to send an output signal towards a driver control circuit. A FET linear detection circuit (112) is coupled to receive a gate voltage (LS2) of an active low-side power FET (Mls2) and has an output coupled (CMP EN) to enable the current-sense comparator when the active low-side power FET is operating in a linear region.

Provided are a data transmission method, a circuit board, a data transmission apparatus, a storage medium and an electronic apparatus. The data transmission method is applied between a chip and an analog-to-digital / digital-to-analog (AD / DA) converter and includes transmitting first data through a first transmission channel. The first transmission channel includes invalid bits in a second transmission channel, the second transmission channel is configured to transmit second data, the first data includes customized data, and the second data includes traffic data.

A system and method are described herein for gating at least one input to an amplifier, the method comprising: measuring at least one audio analog signal level received by the amplifier at a first input; determining whether the received at least one audio analog signal level is below a predetermined threshold level; and gating the first input such that the received audio analog signal level is ignored in further processing by the amplifier.

An image sensor test device includes: an interface configured to transmit a control signal to an image sensor to be tested; and a host device configured to transmit, to the image sensor, a storage control signal instructing to store information about a bad pixel which is determined based on an output signal of the image sensor, wherein the output signal corresponds to the control signal, and wherein the storage control signal includes a signal of instructing to store the information about the bad pixel in a memory area of a plurality of memory areas.

This invention discloses a device for monitoring and optimizing the power output of one or more solar panels, the device being coupled to the one or more solar panels. The device includes a processor configured to generate a periodic wave and apply the periodic wave to the output of the one or more solar panels. An analog-to-digital voltage-to-current converter receives voltage and current signals from the one or more solar panels and provides digital voltage and current signals to the processor. The processor is configured to: calculate the voltage amplitude and DC offset of the periodic wave applied to the output of the one or more solar panels; calculate the power and voltage difference of the one or more solar panels based on the voltage amplitude and DC offset; and modify the voltage of the one or more solar panels such that the power and voltage difference of the one or more solar panels is zero, or substantially zero.

The phono preamp, used to process the audio output signal from the turntable, is powered by a variable voltage adapter such as a USB-C PD power adapter.