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US20090161798 WIRELESS RECEIVING SYSTEM WITH AN ADAPTIVELY CONFIGURABLE ANALOG TO DIGITAL CONVERTER  
A circuit is disclosed that comprises a controller and an analog to digital converter (ADC) coupled to controller. The speed and/or the resolution of the ADC is configurable to provide optimum...
US20150084799 MULTI-LEVEL QUANTIZERS AND ANALOGUE-TO-DIGITAL CONVERTERS  
An analogue-to-digital converter employs one or more reference ladders for generating reference voltages with which to compare the analogue signal for quantization. Selected impedances of the...
US20110221520 SWITCHED CAPACITOR AMPLIFIER CIRCUIT WITH CLAMPING  
A system comprises a switched capacitor amplifier including an operational amplifier (opamp). A switching circuit comprises a first switch connected across inputs of the opamp. A second switch is...
US20090146858 Method for operating a sensor system and sensor system  
A method is provided for operating a sensor system having a sensor, an analog-to-digital converter and a digital signal-processing device, an analog signal from the sensor being transmitted to the...
US20140247172 ASYNCHRONOUS SAMPLING USING A DYNAMICALLY ADUSTABLE SNAPBACK RANGE  
A snapout calculator, and wherein the snapout calculator determines where the reference levels for the various comparators shall be placed after each asynchronous sample is generated.
US20130088372 Measuring Capacitance of a Capacitive Sensor with a Microcontroller Having Digital Outputs for Driving a Guard Ring  
A guard ring is provided around each capacitive sensor plate and charged to substantially the same voltage as a voltage on the capacitive sensor plate. The guard ring reduces parasitic...
US20120050079 SYSTEM, METHOD, AND CIRCUITRY FOR BLIND TIMING MISMATCH ESTIMATION OF INTERLEAVED ANALOG-TO-DIGITAL CONVERTERS  
A timing skew estimation system is disclosed that includes a plurality of interleaved analog-to-digital converter circuits (ADCs), a timing mismatch estimation unit, and a correction unit. The...
US20120228488 PROCESSING OF ION CURRENT MEASUREMENTS IN TIME-OF-FLIGHT MASS SPECTROMETERS  
Methods and instruments are provided for processing individual spectra of a time-of-flight mass spectrometer to form a sum spectrum. According to an aspect of the invention, a peak position on a...
US20110260901 Variable Gain Amplifier  
A variable gain amplifier includes an integrator having an input, an output and a feedback loop connected between the input and output, a plurality of input chains connected in parallel between...
US20090315537 SAMPLING MODULE AND A METHOD OF SAMPLING ONE OR MORE ANALOGUE CHARACTERISTICS OF A POWER TRANSMISSION SYSTEM  
A sampling module, for sampling one or more analog characteristics of a power transmission system, including at least one input circuit for sampling a respective analog characteristic. Each input...
US20140266845 Buffer Amplifier Circuit  
Amplifier circuits implemented with a buffer amplifier with a voltage gain substantially equal to one. In one example, a continuous-time amplifier is implemented by applying the input source...
US20110080309 BANDWIDTH MISMATCH ESTIMATION FOR TIME INTERLEAVED ADCS  
With high speed, high resolution time-interleaved (TI) analog-to-digital converters (ADCs), bandwidth mismatches between the various ADC branches can pose a significant problem. Previously,...
US20120013497 A/D conversion circuit and test method  
An electric device includes first, second and third selectors. A first node connects to a first input of the first selector, a second node connects to a first input of the second selector, a third...
US20110175762 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...
US20110057826 MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS), SYSTEMS, AND OPERATING METHODS THEREOF  
A micro-electro-mechanical system (MEMS) includes a micro-mechanical structure that is capable of generating a first electrical signal. An analog-to-digital converter (ADC) is coupled with the...
US20140361917 COMPARING CIRCUIT AND A/D CONVERTER  
The first amplifier operates according a first clock, changes voltages of a first terminal and a second terminal from a first fixed voltage to a second fixed voltage according to a voltage of an...
US20140055292 SHARING EMBEDDED ADC RESOURCES ACROSS HARDWARE AND SOFTWARE SAMPLE-CONVERSION QUEUES WITH IMPROVED AVAILABILITY OF THE RESOURCES  
An apparatus for sharing embedded analog-to-digital conversion resources across multiple hardware and software sample conversation queues includes an analog front end, a least one FIFO buffer, a...
US20110025422 POWER AMPLIFIER BIAS CURRENT MONITOR AND CONTROL MECHANISM  
Techniques for monitoring and controlling bias current of amplifiers are described. In an exemplary design, an apparatus may include an amplifier and a bias circuit. The amplifier may include at...
US20140062750 REFERENCE VOLTAGE STABILIZER CIRCUIT AND INTEGRATED CIRCUIT INCLUDING THE SAME  
A reference voltage is maintained stable against disturbance noise and self-noise of an internal circuit. A reference voltage stabilizer circuit for stabilizing the reference voltage to be...
US20090273341 SYSTEM INCLUDING SIGNAL OFFSET ESTIMATION  
A system includes a first circuit configured to convert a first analog signal to a first digital signal. The system includes a second circuit configured to determine an area of the first digital...
US20090055678 Clock processors in high-speed signal converter systems  
Clock processors are provided to economically control system and data clocks in high-speed signal converters. The processors generally include at least one of a delay-locked loop, phase-locked...
US20140247175 ASYNCHRONOUS TO SYNCHRONOUS SAMPLING USING AN AUGMENTED LEAST SQUARES SOLVER  
A method, comprising: receiving a plurality of 2-tuples of asynchronously sampled inputs at an asynchronous to synchronous reconstructor; performing a coarse asynchronous to synchronous conversion...
US20140247171 ASYNCHRONOUS SAMPLING USING DYNAMICALLY CONFIGURABLE VOLTAGE POLLING LEVELS  
A method, comprising: receiving an analog input; determining an upper outer rail and a lower outer rail as polling values to be used by voltage comparators; blanking at least three comparators;...
US20110074616 AMPLIFIER  
Briefly, one or more embodiments of an amplifier, including example applications, are described.
US20090058705 Satellite Radio Navigation Receiver  
In a satellite radio navigation receiver receiving a transmitted radio navigation signal, a method of removing I/Q-mismatches in the received signal, comprising: resolving the received signal into...
US20070046520 Electronic circuit structure using an analog-to-digital conversion concept for saving circuit pins  
An electronic circuit structure uses an analog-to-digital conversion concept for saving circuit pins and installs a control circuit on a main board, and the control circuit includes a processor,...
US20090146694 CIRCUIT AND METHOD FOR PREVENTING BANG-BANG ERROR, CALIBRATION CIRCUIT INCLUDING THE CIRCUIT, AND ANALOG-TO-DIGITAL CONVERTER INCLUDING THE CIRCUIT  
A circuit including a comparing unit for comparing a target voltage with a stepwise-varying tracking voltage, a counting unit for counting a code according to the comparison result of the...
US20140062737 Adaptive Ternary A/D Converter for Use in an Ultra-Wideband Communication System  
In an ultra-wideband communication system, a 1-trit ternary analog-to-digital converter (“ADC”) having dynamic threshold adaption and providing an output in ternary form [+1, 0, −1]. The ternary...
US20110227766 Adaptive Ternary A/D Converter for Use in an Ultra-Wideband Communication System  
In an ultra-wideband communication system, a 1-trit ternary analog-to-digital converter (“ADC”) having dynamic threshold adaption and providing an output in ternary form [+1, 0, −1]. The ternary...
US20080246645 Folding Circuit  
A switchable folding circuit for an analog-to-digital converter is provided. The switchable folding circuit comprises a plurality of circuit stages wherein each of the circuit stages comprises a...
US20120235845 AD CONVERTING DEVICE, DIAL-TYPE INPUT DEVICE, AND RESISTANCE-VOLTAGE CONVERSION CIRCUIT  
An AD converting device includes a resistance-voltage conversion circuit which changes a first integrated voltage in proportion to a product of a varied resistance of a variable resistance and an...
US20100019944 ANALOGUE-TO-DIGITAL CONVERTER APPARATUS AND METHOD OF REUSING AN ANALOGUE-TO-DIGITAL CONVERTER CIRCUIT  
An analogue-to-digital converter apparatus comprises a first integrator coupled to a second integrator. The first and second integrators are coupled so as to provide a complex pole. The first...
US20090323758 ANALOG-DIGITAL CONVERTER AND TEMPERATURE INFORMATION OUTPUT DEVICE HAVING THE SAME  
There is provided an analog-digital converter, including: a counting control unit configured to output a counting control signal which is activated while an input voltage is discharged to a...
US20130141264 REDUCED RESIDUAL OFFSET SIGMA DELTA ANALOG-TO-DIGITAL CONVERTER (ADC) WITH CHOPPER TIMING AT END OF INTEGRATING PHASE BEFORE TRAILING EDGE  
An analog-to-digital converter (ADC) has a chopper-stabilized sigma-delta modulator (SDM). The SDM uses switched-capacitor integrators to sample, hold, and integrate an analog input in response to...
US20110181260 Controller of the power inverter circuit and a control method  
A highly accurate control is achieved in such a way that a timing value is generated from a differential control amount calculation result and a filter calculation result at iteration intervals...
US20120235844 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...
US20110140945 GAIN CIRCUIT  
A gain circuit comprises a main amplification unit and a first refresh unit. The main amplification unit comprises an amplifier, a first capacitor connected between a first input terminal of the...
US20090289822 AD CONVERTER AND DATA PROCESSING UNIT  
An AD converter includes an input circuit, an operation circuit and a bus interface. The input circuit is provided with a pull-down circuit, which is capable of pulling down an analog signal input...
US20120026027 A/D CONVERTER USING ISOLATION SWITCHES  
In an A/D converter, isolation switches are used between the capacitors and the conversion switches. The conversion switches are those switches used to selectively couple the plates of the binary...
US20100060493 MULTI-CHANNEL SAMPLING SYSTEM AND METHOD  
An apparatus and method for sampling a plurality of digital video signals to generate an interleaved digital video signal is disclosed. The apparatus includes: a first analog-to-digital converter...
US20100085231 DATA PROCESSING DEVICE COMPRISING ADC UNIT  
A device (100) for processing data, the device (100) comprising a plurality of signal paths (130, 140, 150) each receiving an identical analog input signal (104), at least one signal conditioning...
US20090212759 TRANSFORMER-ISOLATED ANALOG-TO-DIGITAL CONVERTER (ADC) FEEDBACK APPARATUS AND METHOD  
A transformer-isolated analog-to-digital converter (ADC) feedback apparatus and method provides reduction of circuit complexity in high power/high voltage systems having a transformer-isolated...
US20090309773 SEMICONDUCTOR SENSOR CIRCUIT ARRANGEMENT  
An error-corrected representation of an input signal, such as a bioluminescence signal, is generated. An analog representation of the input signal is oversampled and quantized to provide a...
US20070271070 FLOW SENSOR WITH CONDITIONING-COEFFICIENT MEMORY  
A sensor includes one or more sensor transducers coupled with a signal conditioning IC incorporating signal conditioning circuitry and memory devoted to storing end-user downloadable coefficients....
US20110133970 MULTIPATH AMPLIFIER  
Because of variations in open loop gain and bandwidth in successive approximate register (SAR) analog-to-digital converters (ADCs), designing amplifiers with the desired characteristics is...
US20110043395 DIGITAL BACKGROUND CALIBRATION IN PIPELINED ADCS  
Digital background calibration in a pipelined ADC is performed by extracting a capacitor mismatch value Δ that represents a mismatch between a sampling capacitor C1 and a feedback capacitor C2 in...
US20090086360 Low Complexity Servo Demodulation Algorithm for Probe Storage  
A method of calculating a position error signal is provided. The method includes receiving an analog signal from a data channel and converting the analog signal to a one bit wide digital signal....
US20090273500 IMAGE SENSORS AND DUAL RAMP ANALOG-TO-DIGITAL CONVERTERS AND METHODS  
Dual ramp analog-to-digital converters and methods allow for performing analog-to-digital conversion of an analog signal. Various dual ramp analog-to-digital converters and methods allow for...
US20130090873 Measuring Capacitance of a Capacitive Sensor with a Microcontroller Having an Analog Output for Driving a Guard Ring  
A microcontroller measures capacitance of capacitive sensors having guard rings associated therewith. A guard ring is provided around each capacitive sensor plate and is charged to substantially...
US20100053399 Analog-digital converter, analog-digital conversion method, image pickup device, method of driving the same, and camera  
An analog-digital converter includes: comparators disposed to correspond to analog signals which are converted into digital signals and configured to compare a voltage value of the analog signal,...