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8466822 |
Analog-to-digital conversion apparatus and signal processing system
An AD conversion apparatus includes: a first AD converter for converting an input analog signal into a first digital signal; a second AD converter for converting an analog signal obtained as a...
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8466644 |
Motor driving circuit
First and second A/D converters perform analog/digital conversion of first and second signals of a Hall signal so as to generate third and fourth signals as digital signals. A differential...
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8466817 |
Electronic device and method for driving an internal function block of a processor of the electronic device to operate in a linear region
An electronic device and a method for driving an internal function block of a processor of the electric device to operate in a linear region. The electronic device comprises a processor having two...
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8462029 |
Analog-to-digital conversion apparatus and signal processing system
An analog-to-digital conversion apparatus includes: a first analog-to-digital converter and a second analog-to-digital converter that are configured to convert an input analog signal into a digital...
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8456347 |
Analog-to-digital converter
An analog-to-digital converter including a voltage generation unit and a plurality of sub ADCs, each including a selection unit for selecting a voltage generated by the voltage generation unit...
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8457794 |
Multi-segment linearization of micro-actuator transfer functions
Embodiments of the present invention provide improved accuracy of displacement control by using a multi-segment transformation of an actuator's non-linear response. The present invention may set...
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8456335 |
Analog-to-digital converter
In a successive approximation ADC, resolution is limited because a distortion occurs in an A/D conversion result due to a voltage dependence of a sampling capacitance. An A/D converter includes a...
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8456195 |
System and method for on-chip jitter and duty cycle measurement
An apparatus for measuring time interval between two edges of a clock signal and includes an edge generator, a first multi-tap delay module, a second multi-tap delay module, and a multi-element...
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8451152 |
Pipelined ADC inter-stage error calibration
An analog-to-digital converter (ADC) is provided. The ADC includes a plurality of pipelined ADCs and an adjustment circuit. Each pipelined ADC is adapted to receive an analog input signal, has an...
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8451151 |
Successive approximation analog to digital converter with capacitor mismatch calibration and method thereof
A capacitance mismatch calibrating method for a successive approximation register ADC which includes at least one array of capacitors is provided. The method includes the following steps: firstly,...
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8451361 |
Image pickup device and signal processing method thereof
An image pickup device is provided, capable of complete correction with data of once analog-to-digital conversion, and prevention of excess use of switches and analog devices and/or erroneous...
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8451154 |
Pipelined ADC calibration
A method of calibrating a pipelined analog to digital converter having a plurality of DAC elements and an additional calibration DAC element is provided. In the method as provided herein, a...
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8446303 |
System and method of analog-to-digital converters
An analog-to-digital converter system that includes a pipeline including N successively-cascaded signal converters, each converting, according to a first clock signal, a respective portion of an...
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8441378 |
Capacitor mismatch error correction in pipeline analog-to-digital converters
Various embodiments of methods and devices for reducing capacitor mismatch errors in a pipeline analog-to-digital converter (ADC) are disclosed. A plurality of pipeline element circuits are...
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8436756 |
A/D conversion device and servo control device
An A/D conversion device includes an A/D conversion circuit that converts an inputted analog signal to digital data and outputs it, a digital signal correction unit that performs a correction...
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8436760 |
Low power current-voltage mixed ADC architecture
The present disclosure includes systems and techniques relating to low power current-voltage mixed ADC architecture. In some implementations, an apparatus includes sample and hold circuitry, at...
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8432304 |
Error correction in thermometer codes
A thermometer coded line is configured to convert a time interval to a digital code for subsequent processing in order to output a value representative of said time interval. A digital peak...
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8427349 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** Digital correction techniques for data converters
A method and apparatus is disclosed to compensate for impairments within a data converter such that its output is a more accurate representation of its input. The data converter includes a main...
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8421658 |
Parallel pipelined calculation of two calibration values during the prior conversion cycle in a successive-approximation-register analog-to-digital converter (SAR-ADC)
A Successive-Approximation Register Analog-to-Digital Converter (SAR-ADC) predicts compensation values for use in a future cycle. A compensation value is applied to capacitors in a calibration...
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8421656 |
Time-interleaved analog-to-digital conversion circuit having polyphase correction filter
Time-interleaved analog-to-digital (AD) conversion circuit, which includes first and second AD converters that generate first and second digital signal sequences by converting an analog input...
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8421660 |
Configurable cascading sigma delta analog-to digital converter (ADC) for adjusting power and performance
A cascaded sigma-delta modulator has several modulator loops that have one or two sets of integrators, summers, and scalers, and a quantizer that generates a loop output. Input muxes to each loop...
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8421657 |
AD conversion circuit and error correcting method
In a microcomputer 10 which converts an analog signal Vin into digital data and corrects an error of the digital data, a voltage variation ΔVcc is calculated on the basis of a first conversion ...
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8410960 |
Method to linearize the output from an ADC
A method is disclosed of compensating the output of an ADC for non-linearity in the response of the ADC. The method comprises converting an analog input signal to uncorrected digital ADC output...
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8400340 |
Achieving high dynamic range in a sigma delta analog to digital converter
A continuous-time sigma-delta analog to digital converter (CTSD ADC) includes a comparator that samples the time integral of an analog signal at each rising edge and falling edge of a sampling...
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8400338 |
Compensating for harmonic distortion in an instrument channel
Automatic test equipment (ATE) includes circuitry configured to pass a signal in a channel of the ATE, and memory configured to store a first and second correction values. A first correction value...
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8400337 |
Offset cancellation by biasing the body of a transistor
Offset is canceled by determining a voltage level to set a body input of a transistor to. The body input of the transistor is set to the determined voltage level to cancel offset associated with...
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8400343 |
Pipeline analog to digital converter with split-path level shifting technique
A stage of a pipeline analog-to-digital converter (ADC) is provided according to embodiments of the present invention. The stage of the present invention has double-amplifier architecture and uses...
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8390495 |
MIMO delta-sigma delta analog-to-digital converter using noise canceling
A multi-input-multi-output-system (MIMO) is provided that includes a first input signal and a second input signal. A plurality of analog-to-digital converter (ADC) cell structures receive as input...
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8390486 |
Automatic offset adjustment for digital calibration of column parallel single-slope ADCs for image sensors
Various embodiments of the present invention include enabling, during a calibration phase, a counter to count one less than a number of clock periods associated with a determined offset. The...
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8390487 |
System and method of analog-to-digital converters
An analog-to-digital converter system that includes a pipeline of successively-cascaded signal converters, each operating alternatively in a first circuit configuration and a second circuit...
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8390496 |
System and method for common mode translation
System and method for common mode translation in continuous-time sigma-delta analog-to-digital converters. An embodiment includes a loop filter having an RC network coupled to a differential signal...
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8390494 |
Second order noise coupling with zero optimization modulator and method
A method and apparatus for a modified noise-coupled modulator using zero optimization technique is disclosed. By realizing the resonator coefficient as a part of branches other than those of the...
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8390498 |
Comparing circuit and parallel analog-to-digital converter
First and second resistor series divide a predetermined voltage range to generate first reference voltages and second reference voltages, respectively. First and second switch controlling circuits...
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8390488 |
Non-linearity correction that is independent of input common mode, temperature variation, and process variation
In pipeline analog-to-digital converters (ADCs) the third harmonic can degrade the performance of the ADC, and conventional circuits that attempt to cancel this third harmonic are oftentimes...
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8384579 |
Systems and methods for data conversion
Systems and methods are provided for converting analog data to digital data that can include a discharge capacitor coupled to a voltage source. The voltage source supplies an initial data charge to...
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8384571 |
A/D conversion circuit and A/D conversion method
An analog-to-digital conversion circuit includes: comparators to compare an input analog signal and one of reference voltages corresponding to each operation in an analog-to-digital conversion; an...
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8378864 |
Apparatuses and methods for reducing errors in analog to digital converters
Successive approximation Analog-to-digital converters (ADCs) and related methods are disclosed. A successive approximation ADC includes a comparator with a comparator output and inputs coupled to a...
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8378863 |
Analog-to-digital converter and correction method thereof
An analog-to-digital (AD) converter device, includes: a capacitive digital-to-analog converter (DAC) including a reference capacitor group having capacitors which are weighted with a ratio, one...
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8378865 |
Method of testing digital-to-analog and analog-to-digital converters
A method of testing a digital-to-analog or analog-to-digital converter including coarse and fine voltage dividers corresponding respectively to more and less significant bits of the digital signal....
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8373585 |
Diagnostic circuit for monitoring an analog-digital converter circuit
Described is monitoring of an analog-digital conversion of a measured value of at least one of a pressure gauge, a level gauge and a flowmeter. Different measured values can be provided for the...
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8368578 |
Asynchronous digital slope analog-to-digital converter and method thereof
The present invention is related to an analog to digital converter circuit. The circuit comprises at least one input node for applying an analog input voltage signal (Vin), means for sampling said...
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8368572 |
Detecting device
A detecting device has: a detecting element to which a first constant voltage is applied; a resistance element connected to the detecting element; a switching element having a first terminal to the...
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8368569 |
Data converting device, program and method
A data conversion device is provided with a data converting means that sequentially converts first data into second data of the number of second bits, wherein an analog signal is quantized into the...
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8368570 |
Method and system for calibrating column parallel ADCs
Various embodiments of the invention include enabling, during a calibration phase, a counter to count one less than a number of clock periods associated with a determined offset. The counted number...
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8368571 |
Pipelined ADC having error correction
A pipeline stage of a pipelined analog-to-digital converter (ADC) circuit can include an ADC to convert an analog input to a digital output, a first plurality of digital-to-analog converters (DACs)...
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8362940 |
Successive approximation register analog-to-digital converter, and operating clock adjustment method therefor
A successive approximation register analog-to-digital converter includes: a digital-to-analog converter to generate an analog voltage based on an input voltage sampled in accordance with a sampling...
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8362935 |
Device and method for controlling reference voltage of digital-to-analog converter
The present invention relates to device and method for controlling a reference voltage of a digital-to-analog converter for minimizing variation of output voltages among LED driving chips which...
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8362934 |
Comparator and analog/digital converter
To provide a comparator and an A/D converter having the comparator. The comparator includes a differential amplifier circuit section and a differential latch circuit section. A first input voltage...
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8358228 |
Method for modifying the LMS algorithm to reduce the effect of correlated perturbations
A process allows for the modification of the least-means-square (LMS) algorithm to remove perturbations associated with measured signals in an analog-to-digital converter (ADC). The process...
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8350737 |
Flash analog to digital converter with method and system for dynamic calibration
A flash analog to digital converter and a method and system for dynamically calibrating the flash analog to digital converter. The analog to digital converter may include a track and hold circuit...
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