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US20110181452 
Usage of Speaker Microphone for Sound Enhancement
The method and system use a speaker available in an audio end device when not in use as a microphone. The speaker is utilized for enhancing the sound quality received by the person or device at... 

US20110210876 
Plugin power line conditioner
A plugin power line conditioner is configured to receive an AC voltage from a circuit and insert a correction signal onto the circuit. 

US20120133535 
Interleaved Pipelined Binary Search A/D Converter
The present invention is related to a pipelined analogtodigital converter, ADC, for converting an analog input signal into a digital signal comprising—a plurality of comparing means having... 

US20110260898 
MISMATCH COMPENSATORS AND METHODS FOR MISMATCH COMPENSATION
In a compensator for compensating mismatches, and in methods for such compensation, the compensator compensates for mismatches in output signals of a system with mismatches during normal operation... 

US20120146819 
SIGMADELTA DIFFERENCEOFSQUARES LOGRMS TO DC CONVERTER WITH FORWARD PATH MULTIPLIER AND CHOPPER STABILIZATION
A sigmadelta (ΣΔ) differenceofsquares LOGRMS to digital converter for true RMS detection by merging a ΣΔ modulator with an analog LOGRMS to DC converter based on a differenceofsquares.... 

US20110254715 
CONTROLLER TO CONTROL ELECTRICAL POWER OF LOAD IN CONSTANT
A heater controller for controlling a heater precisely in the equipower mode is disclosed. The controller includes a current source, a voltage monitor to detect a voltage drop caused in the... 

US20120161991 
Offset Cancellation For Analog To Digital Converters
An offset cancellation circuit for canceling an offset voltage in an amplifier is provided herein. The offset cancellation circuit includes a current source configured to provide an offset... 

US20120256772 
Hardware Efficient OnChip Digital Temperature Coefficient Voltage Generator and Method
An onchip DC voltage generator and hardware efficient method provide for generating linear DC voltages with a programmable negative temperature coefficient. A temperaturedependent DC voltage is... 

US20120075128 
SUCCESSIVE APPROXIMATION A/D CONVERTER
A successive approximation A/D converter, has a main DAC having a capacitive element group coupled to a top node and a switch group; a comparator comparing voltage of the top node with comparison... 

US20120056766 
NONLINEARITY CORRECTION THAT IS INDEPENDENT OF INPUT COMMON MODE, TEMPERATURE VARIATION, AND PROCESS VARIATION
In pipeline analogtodigital converters (ADCs) the third harmonic can degrade the performance of the ADC, and conventional circuits that attempt to cancel this third harmonic are oftentimes... 

US20120026023 
SUCCESSIVE APPROXIMATION AD CONVERSION CIRCUIT
A successive approximation AD conversion circuit has improved conversion accuracy without prolonging the time necessary for conversion. The successive approximation AD conversion circuit includes... 

US20130009796 
CLOCK GENERATOR CIRCUIT FOR SUCCESSIVE APPROXIMATIOM ANALOG TODIGITAL CONVERTER
A sampling clock generator generates a sampling clock based on a reference clock and an internal clock. An internal clock generator causes, during a period in which the sampling clock is at a... 

US20110199244 
Pipelined ADC Calibration
A method of calibrating a pipelined analog to digital converter (400) having a plurality of DAC elements (410) and an additional calibration DAC element (420), in which a combination of positive,... 

US20140062737 
Adaptive Ternary A/D Converter for Use in an UltraWideband Communication System
In an ultrawideband communication system, a 1trit ternary analogtodigital 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 UltraWideband Communication System
In an ultrawideband communication system, a 1trit ternary analogtodigital converter (“ADC”) having dynamic threshold adaption and providing an output in ternary form [+1, 0, −1]. The ternary... 

US20150035689 
Multistage parallel superhighspeed ADC and DAC of logarithmic companding law
Multistage parallel superhighspeed ADC and DAC of a logarithmic companding law has a voltage follower switch having zero voltage drop, and also has a lossless threshold switch group, wherein a... 

US20130113638 
METHOD AND APPARATUS FOR EVALUATING WEIGHTING OF ELEMENTS OF DAC AND SAR ADC USING THE SAME
A method and an apparatus for evaluating weighting of elements of a DAC and a SAR ADC using the same are provided. An equivalent weighting of each composed element is obtained by adding a... 

US20100045375 
DEVICE FOR THE LOWDISTORTION TRANSFORMATION, PARTICULARLY AMPLIFICATION OF SIGNALS
The invention describes a device for the lowdistortion conversion, especially amplification, of signals. In one embodiment, the device comprises a digitaltoanalog converter having adjustable... 

US20120161990 
INTEGRATOR AND OVERSAMPLING A/D CONVERTER HAVING THE SAME
A high order integrator is configured using an operational amplifier, a first filter connected between an input terminal of the integrator and an inverted input terminal of the operational... 

US20140009316 
Complementary Switched Capacitor Amplifier for Pipelined ADCs and Other Applications
The present disclosure is directed to a switched capacitor amplifier that includes a switched capacitor network and a complementary pushpull amplifier. The switched capacitor amplifier of the... 

US20120280841 
Zeropower sampling SAR ADC circuit and method
A switchedcapacitor circuit (10, 32 or 32A) samples a first signal (VIN+) onto a first capacitor (C1 or CIN1) by switching a top plate thereof via a summing conductor (13) to a first reference... 

US20130120171 
REDUCING THE EFFECT OF NONLINEAR KICKBACK IN SWITCHED CAPACITOR NETWORKS
A method and device involve a circuit having a switched capacitor network that is switchably connected to an input signal. A randomly determined amount of dither is injected into a circuit having... 

US20140247169 
MultiLevel SigmaDelta ADC With Reduced Quantization Levels
A multilevel sigmadelta Analog to Digital converter provides multilevel outputs using a quantizer with reduced quantization levels. The converter comprises a direct path comprising a... 

US20110175759 
OPERATIONAL AMPLIFIER AND PIPELINE AD CONVERTER
A differential voltage interconnect (W101a) electrically connects the gate electrode of a transistor to be used among differential transistors (T101a, T101a, . . . ) to an input node receiving an... 

US20090195423 
Analog to digital converters
An analog to digital converter (ADC) converts an analog signal to a digital signal. The ADC includes an input channel, a sampling circuit coupled to the input channel, an integrator coupled to the... 

US20120119929 
INTEGRATORS FOR DELTASIGMA MODULATORS
Methods, systems and devices are disclosed. Among the disclosed devices is an electronic device that, in certain embodiments, includes a plurality of memory elements or imaging elements connected... 

US20120001781 
Digital Background Calibration System and Method for Successive Approximation (SAR) Analogue to Digital Converter
The invention provides a digital background calibration system and method for a successive approximation analogtodigital converter comprising a digital to analog converter (DAC) having a... 

US20110309959 
METHOD FOR IMPROVING THE RESOLUTION AND FOR CORRECTING DISTORTIONS IN A SIGMADELTA MODULATOR, AND SIGMADELTA MODULATOR IMPLEMENTING SAID METHOD
In a method for improving resolution and for correcting distortions for a sigmadelta modulator, a modulator converts an analog input signal into a secondary output digital signal sampled at a... 

US20120112936 
QUANTIZATION CIRCUIT HAVING VCOBASED QUANTIZER COMPENSATED IN PHASE DOMAIN AND RELATED QUANTIZATION METHOD AND CONTINUOUSTIME DELTASIGMA ANALOGTODIGITAL CONVERTER
A quantization circuit includes a quantizer and a compensation circuit. The quantizer includes a voltagetophase converter and a phase difference digitization block. The voltagetophase... 

US20110267210 
Shaping InterSymbolInterference in Sigma Delta Converter
A signal converting system is described that has a multisegment digital to analog converter coupled to one or more error shaping loops. Each error shaping loop includes a quantizer with a... 

US20100026535 
SEGMENTED OPTICS CIRCUIT DRIVE FOR CLOSED LOOP FIBER OPTIC SENSORS
Systems and methods for improving output resolution of an optical drive circuit in an optical sensor. The optical sensor circuit includes an optics circuit that generates analog measurement data,... 

US20140167988 
DIGITALTOANALOG CONVERTER (DAC) CIRCUIT AND WEIGHT ERROR ESTIMATION/CALIBRATION METHOD THEREOF
The present invention discloses a DAC circuit and a weight error estimation/calibration method thereof. In the method, an output switching circuit dynamically selects several conversion cells (at... 

US20090267814 
CIRCUIT ARRANGEMENT, L[OCAL] I[NTERCONNECTED] NE[TWORK] COMPRISING SUCH CIRCUIT ARRANGEMENT AS WELL AS METHOD FOR PROCESSING INPUT SIGNALS OF THE LIN
Circuit arrangement, L[ocal]I[nterconnected]N[etwork] comprising such circuit arrangement as well as method for processing input signals of the LIN In order to further develop a circuit... 

US20130141260 
PIPELINE ANALOGTODIGITAL CONVERTER
A pipelined ADC includes a first, second, and third pairs of comparators. The first pair of comparators compare an input voltage to a first positive reference voltage and to a first negative... 

US20130088374 
SUCCESSIVE APPROXIMATION ANALOG TO DIGITAL CONVERTER WITH COMPARATOR INPUT TOGGLING
A successive approximation analogtodigital converter (SAADC) includes a reference generator configured to output a first voltage and a second voltage; a comparator, the comparator having a... 

US20100328120 
Comparator Based Asynchronous Binary Search A/D Conveter
The present invention is related to an analogtodigital converter circuit (1) wherein a comparator based asynchronous binary search is used. The architecture comprises a selfclocked... 

US20100013684 
AD converter and AD conversion method
An exemplary object of the present invention is to achieve both of highspeed operation by parallel processing and a simple configuration by sequential comparison processing, so as to realize high... 

US20130127647 
SUCCESSIVE APPROXIMATION REGISTER ADC AND METHOD OF LINEARITY CALIBRATION THEREIN
A successive approximation register analog to digital converter (SAR ADC) and a method of linearity calibration therein are provided. Each composed element Ei in a part of the composed elements... 

US20110285562 
Continuoustime deltasigma ADC with compact structure
A continuoustime deltasigma Analog to Digital Converter (ADC) includes: a loop filter, for receiving and noiseshaping an analog input signal, and outputting a first loop voltage; a first... 

US20140197971 
SYSTEMS AND METHODS FOR PROVIDING A PIPELINED ANALOGTODIGITAL CONVERTER
Systems comprising: a first MDAC stage comprising: a subADC that outputs a value based on an input signal; at least two reference capacitors that are charged to a Vref; at least two sampling... 

US20110200152 
Continuous Time Analogue/Digital Converter
Continuous time analogue/digital converter, comprising a sigma delta modulator (MSD1) configured to receive an analogue input signal (x(t)) and comprising highpass filtering means (MF) the... 

US20050253744 
Configurable output circuit and method
A configurable output circuit is disclosed. The output circuit comprises an analog output circuit capable of producing an analog output signal usable to control the output device, a binary output... 

US20130321184 
SAR Assisted Pipelined ADC and Method for Operating the Same
A method for operating a SAR assisted pipelined ADC includes enabling a SAR ADC in a current stage circuit for converting an input analog voltage into a digital code during a first time interval,... 

US20090066547 
ANALOGTODIGITAL AND DIGITALTOANALOG CONVERSION WINDOW ADJUSTMENT BASED ON REFERENCE CELLS IN A MEMORY DEVICE
An analogtodigital conversion window is defined by reference voltages stored in reference memory cells of a memory device. A first reference voltage is read to define an upper limit of the... 

US20120280842 
System and Method For Supporting Different Types of Oscillator Circuits
In accordance with some embodiments of the present disclosure, an oscillator circuit comprises, a first pad associated with a first terminal of an oscillator and a second pad associated with a... 

US20120056765 
METHOD FOR CONTROLLING THE LOOP DELAY IN A SIGMADELTA MODULATOR, AND SIGMADELTA MODULATOR IMPLEMENTING SAID METHOD
In a method for controlling the loop delay in a sigmadelta modulator having a loop including an integrator, an analogtodigital converter, a digitaltoanalog converter, and an addersubtractor,... 

US20090289821 
PIPELINE ANALOGTODIGITAL CONVERTER HAVING OPERATIONAL AMPLIFIER SHARED BY SAMPLE AND HOLD CIRCUIT AND LEADING MULTIPLYING DIGITALTOANALOG CONVERTER
A pipeline analogtodigital converter includes a sample and hold circuit; a plurality of multiplying digitaltoanalog converters having a leading MDAC coupled to the sample and hold circuit; and... 

US20130057417 
COMPARATOR OFFSET CANCELLATION IN A SUCCESSIVE APPROXIMATION ANALOGTODIGITAL CONVERTER
A successive approximation analogtodigital converter (ADC) includes an adjustable voltage source that applies an adjustable voltage to an input of a comparator of the ADC to cancel an offset of... 

US20130285843 
MULTIBIT PER CYCLE SUCCESSIVE APPROXIMATION REGISTER ADC
A main digitaltoanalog converter (DAC) receives at least one input and generates an adjusted input. A SAR unit generates a code for controlling the main DAC based on a comparison output of a... 

US20090303090 
ISOLATION UNIT FOR A CONVENTIONAL 2CONDUCTOR COMMUNICATION CONNECTION INCLUDING A SENSOR, A MEASUREMENT TRANSMITTER AND A CONTROL UNIT
For a conventional 2conductor communication connection, which includes a sensor, a measurement transmitter and a control unit, an isolation unit is provided, which serves for transmission of... 