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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... |
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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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;... |
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US20110074616 |
AMPLIFIER
Briefly, one or more embodiments of an amplifier, including example applications, are described. |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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,... |