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8711021 Digital-to-analog converter and performing method thereof  
A digital-to-analog converter and a performing method thereof are disclosed. The digital-to-analog converter includes a random rotation unit, a plurality of conversion units, and a summing unit....
8711980 Receiver with feedback continuous-time delta-sigma modulator with current-mode input  
In accordance with some embodiments of the present disclosure, a receiver may include a downconverter configured to demodulate a modulated wireless signal to produce a current-mode baseband signal...
8711023 Analog-to-digital converter control using signal objects  
A method and apparatus for detecting an event and sampling first value from a pin in response to the event. For example, the event is identified by a signal object of a plurality of signal objects...
8711022 Resistor-2 resistor (R-2R) digital-to-analog converter with resistor network reversal  
A resistor-2 resistor (R-2R) digital-to-analog converter with resistor network reversal and methods of use are disclosed. A circuit includes a plurality of resistor stacks and a plurality of...
8704606 Mixer cell, modulator and method  
Embodiments provide a mixer cell, which is implemented to logically combine a data signal with an oscillator signal and a sign signal to obtain a mixer cell output signal based on the logical...
8704692 Digital to analog converter  
N upper-side resistors and N lower-side resistors are severally associated with respective bits of a digital input code. Each resistance value is weighted in an essentially binary manner according...
8698661 System and method for pulse width modulation digital-to-analog converter  
A system and method is disclosed for a digital to analog converter which includes an interpolation filter to up-sample a digital signal, a noise shaping modulator to suppress in-band quantization...
8698662 System and method for a high resolution digital input class D amplifier with feedback  
A system and method is disclosed for a digital to analog converter which includes an interpolation filter to up-sample a digital signal, a noise shaping modulator to suppress in-band quantization...
8698663 Digital analog converter  
Embodiments of a digital-to-analog conversion system that utilizes a specialized clock signal to reshape an analog impulse response of a digital-to-analog converter (DAC) are disclosed....
8692701 Pipelined A/D converter circuit provided with A/D converter circuit parts of stages each including precharge circuit  
A pipelined A/D converter circuit includes a sample hold circuit configured to sample and hold an analog input signal, and output a sample hold signal, and an A/D converter circuit including A/D...
8686884 Testing of digital to analog converters in serial interfaces  
A system and method for testing digital to analog converters (DAC) in a serial interface having a comparator to receive an input signal and a local offset signal is disclosed. A first DAC...
8686887 NFC transceiver with current converter  
Exemplary embodiments are directed to near field communication A device may include a current digital-to-analog converter (DAC) configured to convey a current to an antenna in a first near-field...
8682264 Digital-to-analog converter and wireless communication apparatus  
According to one embodiment, a digital-to-analog converter includes a plurality of cells. Each cell includes a current source and a differential switch. The current source includes a first...
8681031 D/A converter  
A resistor string type D/A converter includes a higher-order decoder to which a digital signal is input, a higher-order resistor string in which a plurality of resistors and a plurality of voltage...
8674866 Interleaved return-to-zero, high performance digital-to-analog converter  
In one method embodiment, receiving a data signal; and converting the data signal to an analog signal over plural clock cycles, the converting comprising: during a first clock cycle of the plural...
8674867 Capacitive radio-frequency digital-to-analog converter with a switched load  
The present disclosure relates to a device and method to increase the dynamic bit range of a radio-frequency digital-to-analog converter. A load of the Cap-RF-DAC typically consists of a...
8674865 DA converter, AD converter, and semiconductor device  
A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an...
8669856 Method to calibrate digital speedometer display to meter speedometer display  
A method and system for calibrating a digital speedometer display to match an analog speedometer indicated value. The method generally includes calibrating each analog speedometer unit such that...
8669892 Digital-to-analog converter resolution enhancement using circular buffer  
A system and method for generating an analog signal is disclosed. In one embodiment, system includes a first-in, first-out (FIFO) buffer configured to receive and store a plurality of digital...
8665125 Electronic device and method for measuring differential non-linearity (DNL) of an SAR ADC  
The device comprises a successive approximation register, a capacitive digital-to-analog converter comprising a plurality of capacitors, the plurality of capacitors being coupled with a first side...
8659459 Digital-to-analog converter, analog-to-digital converter including same, and semiconductor device  
Provided are a capacitor digital-to-analog (DAC), an analog-to-digital converter (ADC) including the capacitor DAC, and a semiconductor device. The DAC includes at least one dummy capacitor...
8659458 Multiple return-to-zero current switching digital-to-analog converter for RF signal generation  
A “multiple return-to-zero” (MRZ) current switching DAC. In operation, the outputs of respective current sources are selectively directed to respective intermediate nodes in response to respective...
8653999 Current steering DAC, a video adapter including a current steering DAC, and a video circuit including a current steering DAC  
A current steering Digital-to-Analog Converter (DAC), a video adapter including a current steering DAC, and a video circuit including a current steering DAC are described. In one embodiment, a...
8653995 Compensation of nonlinearity of single ended digital to analog converters  
This disclosure relates to a compensating for nonlinearity resulting from a capacitance feedback in current cells of a single ended digital to analog circuit.
8653998 D/A conversion circuit, A/D conversion circuit and electronic apparatus  
A D/A conversion circuit includes a first D/A converting section which is connected with an output node, a first serial capacitor which is disposed between the output node and a first node, a...
8643525 Multiple output dynamic element matching algorithm with mismatch noise shaping for digital to analog converters  
A system and method dynamically selects digital-to-analog (DAC) circuit elements to provide a True differential-output delta-sigma (ΔΣ) DAC. The sign and magnitude of a received N-bit input code...
8643521 Digital-to-analog converter with greater output resistance  
A DAC has at least one bit current-steering circuit. In the DAC, the current-steering circuit has a current source circuit, a switch, a feedback circuit, and an amplifier circuit. The current...
8643520 Digital-to-analog converter (DAC) current cell with shadow differential transistors for output impedance compensation  
An equalized-impedance shadowed current cell can be arrayed in a Digital-to-Analog Converter (DAC) or other converters or applications. The Equalized-impedance shadowed current cell has primary...
8643527 Switched-capacitor MDAC with common-mode hop regulation  
A switched-capacitor digital-to-analog converter (DAC) circuit can include first and second sets of capacitors, an amplifier, a reference signal generator and interconnecting switches. The first...
8638251 Delay compensation for sigma delta modulator  
A continuous time delta-sigma modulator is provided that includes an integrator stage including a plurality of integrators; a quantizer to receive an input signal from the integrator stage and...
8638250 Amplifier, fully-differential amplifier and delta-sigma modulator  
An amplifier, a fully-differential amplifier and a delta-sigma modulator are disclosed. The disclosed amplifier includes a front-end gain stage, an AC-coupled push-pull output stage and a...
8629794 Integrated circuit and system including current-based communication  
An integrated circuit includes a current-based digital-to-analog converter (IDAC) including a clock input and including an output. The integrated circuit further includes a sample synchronization...
8624991 Image pickup apparatus for reading a signal from a panel detector  
An apparatus includes a detection unit including a plurality of pixels that are arranged in a matrix and that are divided into at least first and second pixel groups, a signal processing unit...
8624766 Method and system for auto-ranging analog-to-digital converter for current sensing  
Embodiments of the present disclosure provide a method and system for an auto-ranging analog-to-digital converter (ADC) for dynamically scaling inputs to an ADC. The auto-ranging ADC includes a...
8618971 Signal level shift circuit and method for dual resistor ladder digital-to-analog converters  
A dual resistor ladder DAC includes a coarse ladder including a plurality of coarse ladder resistors and a fine ladder including a plurality of MOS transistors coupled between first and second...
8618968 Dual digital to analog converters (DACs) with codeword parsing  
Dual digital to analog converters (DACs) with codeword parsing. With respect to a codeword that is provided to a DAC, a processing module (e.g., a rollover processor) operates to divide,...
8618969 Low complexity high-speed multi-DAC system  
A multi-DAC system includes a plurality of DACs arranged in parallel for converting a digital signal to an analog signal, each DAC path having a different analog phase response. The system further...
8619013 Digital-analog converter, data driver, and flat panel display device using the same  
A digital-analog converter (DAC) including: a gray scale generator having a plurality of switches for generating desired gray scale voltages through charge sharing between at least two data lines;...
8618970 DA conversion device and electron beam exposure system using the same  
A DA conversion device includes a current output type DA converter, a high-speed operational amplifier operating at a low voltage and configured to generate a voltage corresponding to an output...
8618975 Multi-bit successive approximation ADC  
Examples are provided for converting an analog signal to a digital signal by processing more than one bit per cycle in a number of successive approximation cycles. A system may include capacitive...
8614639 Integrator ramp generator with DAC and switched capacitors  
A ramp generator includes a digital-to-analog converter (DAC), a sampling capacitor, an integrator circuit, a polarity reversing switch selectively coupling first and second outputs of the DAC to...
8610612 Tree structured supply and bias distribution layout  
Systems and methods are disclosed for performing data conversion by matching current sources using a thin oxide device; and minimizing voltage stress on the thin oxide device during operation or...
8610609 NMOS buffer for high-speed low-resolution current steering digital-to-analog converters  
The present disclosure provides techniques for using an NMOS field effect transistor-based buffer to buffer a pair of complementary digital signals and output a pair of equivalently fast rising...
8610658 Circuitry and method for reducing power consumption in gamma correction circuitry  
Gamma curve correction circuitry includes first (24-1,2 . . . 11) and second (24-12,13 . . . 22) groups of gamma correction buffers and corresponding DACs (28-1,2 . . . 22). Each buffer has an...
8604955 Filter, and transmitter and receiver having the same  
In order to suppress the enlargement of the circuit layout area of an LSI together with the cost, even at the time when the variation width of the filter characteristic is narrow within a wide...
8604958 RF DAC with configurable DAC mixer interface and configurable mixer  
One embodiment of the present disclosure relates to a circuit. The circuit includes a digital to analog converter (DAC) configured to convert a time-varying, multi-bit digital value to a...
8604959 Multi-phased digital-to-analog converters for interpolation  
A method and device for digital filtering of a digital signal in a radio frequency (RF) device front end are disclosed. In one embodiment, 2M+1 groups of N digital-to-analog converters (DAC) are...
8599057 Digital-to-analog converter  
A system and method for converting a digital signal to an analog signal is provided. The present disclosure provides a digital-to-analog converter (DAC) that can convert a large bit value digital...
8599055 Digital-to-analog converter  
A digital-to-analog converter (10) is described which comprises at least one cell (301). The cell (301) has a first coupling capacitor (415) with a second terminal connected to an output and a...
8599056 Digital-to-analog converter  
An embodiment of the present invention provides a digital-to-analog converter including: a primary modulator; a secondary modulator, connected to the primary modulator; a delay unit, connected to...