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| Application No. | Application Title | Issue Date |
| 20120127008 | Adjustable Signal Generating Device and Related Method for Generating the Adjustable Signal An adjustable signal generating device and related method for generating the adjustable signal are described herein. The adjustable signal generating device includes: a voltage generator configured to continuously adjust an output voltage and output the voltage; a ΣΔ ... | 05/24/2012 |
| 20120127009 | Sampling/Quantization Converters Provided are, among other things, systems, apparatuses, methods and techniques for converting a continuous-time, continuously variable signal into a sampled and quantized signal. One such apparatus includes an input line for accepting an input signal that is continuous ... | 05/24/2012 |
| 20120068867 | SAMPLING/QUANTIZATION CONVERTERS Provided are, among other things, systems, methods and techniques for converting a continuous-time, continuously variable signal into a sampled and quantized signal. According to one representative embodiment, an apparatus includes multiple quantization-noise-shaping co... | 03/22/2012 |
| 20120068868 | CONTINUOUS-TIME SIGMA-DELTA ANALOG-TO-DIGITAL CONVERTER A continuous-time delta-sigma analog-to-digital converter (ADC) is disclosed. The ADC includes a loop filter, a loop quantizer, and a clock-jitter tolerant digital-to-analog converter (DAC). The clock-jitter tolerant DAC includes a dual switched-current (SI) DAC, a swit... | 03/22/2012 |
| 20120068865 | FAST DATA WEIGHTED AVERAGE CIRCUIT AND METHOD A method and apparatus are provided for Fast Data Weighted Average (DWA) double-sampling modulators with minimal loop delay supporting improved stability. Quantization and DEM are accomplished within non-overlap time. By this reduction in time delay, power can be saved ... | 03/22/2012 |
| 20120038500 | LOW POWER HIGH DYNAMIC RANGE SIGMA-DELTA MODULATOR A low power, high dynamic range sigma-delta modulator comprises a quantizer followed by a digital integrator for generating an integrated digital signal from a quantized signal. The output of the digital integrator is coupled to a digital-to-analog converter in the feed... | 02/16/2012 |
| 20120039588 | A/D CONVERSION CIRCUIT, SIGNAL PROCESSING CIRCUIT, AND SHAKE DETECTION DEVICE The A/D conversion circuit may include A/D conversion units each of which converts input analog signals into digital signals, a switch unit that receives a first and second analog signals among the analog signals, the switch unit alternately switching output destination... | 02/16/2012 |
| 20120010522 | INPUT CONVERTER FOR AN EEG MONITORING SYSTEM, SIGNAL CONVERSION METHOD AND MONITORING SYSTEM In order to minimize noise and current consumption in an EEG monitoring system (40) which can be continuously carried by a person to be monitored, an input converter (44) for an EEG monitoring system is devised. The analog-to-digital converter of the input... | 01/12/2012 |
| 20120007760 | INPUT CONVERTER FOR A HEARING AID AND SIGNAL CONVERSION METHOD In order to minimize noise and current consumption in a hearing aid, an input converter comprising a first voltage transformer and an analog-to-digital converter of the delta-sigma type for a hearing aid is devised. The analog-to-digital converter of the input converter... | 01/12/2012 |
| 20120002093 | CORRELATED DOUBLE SAMPLING CIRCUIT AND IMAGE SENSOR INCLUDING THE SAME A correlated double sampling circuit includes a delta-sigma modulator, a selection circuit, and an accumulation circuit. The delta-sigma modulator is configured to receive an input signal, delta-sigma modulate the input signal, and output a modulation signal. The select... | 01/05/2012 |
| 20110316731 | Method and device for phase and/or pulse-width modulation The present invention relates to a device (2000) and a method for encoding an input signal (102) into a digital pulse-width and/or phase modulated output signal (162). The present invention also relates to a transmission method, a power amplifier an... | 12/29/2011 |
| 20110304491 | DIGITAL FEEDFORWARD SIGMA-DELTA MODULATOR IN ANALOG-TO-DIGITAL CONVERTER AND MODULATION METHOD THEREOF A digital feedforward sigma-delta modulator in an analog-to-digital converter and its modulation method are disclosed. The modulator changes a feedforward path from an analog domain to a digital domain and processes it. The modulator integrates an analog input by using ... | 12/15/2011 |
| 20110285565 | PARALLEL MASH DELTA SIGMA MODULATOR A parallel, multi-stage noise shaping (MASH) delta-sigma (ΔΣ) modulator reduces the required operating frequency by predicting the inputs to later stages of a serial MASH modulator to be multiples of the MASH input. An Nth order parallel MASH ΔΣ modulator generates ... | 11/24/2011 |
| 20110285566 | DIGITAL-TO-ANALOG CONVERTER AND DIGITAL-TO-ANALOG CONVERTING DEVICE A D/A converter comprises a first switch unit for performing switching to provide connection and disconnection between one terminals of the plurality of sampling capacitive elements and the corresponding plurality of input terminals, and to provide connection and discon... | 11/24/2011 |
| 20110267210 | Shaping Inter-Symbol-Interference in Sigma Delta Converter A signal converting system is described that has a multi-segment digital to analog converter coupled to one or more error shaping loops. Each error shaping loop includes a quantizer with a feedback loop configured to generate a control signal responsive to a stream of s... | 11/03/2011 |
| 20110270552 | DELTA-SIGMA AD CONVERTER CIRCUIT AND BATTERY PACK A delta-sigma AD converter circuit includes a modulation unit to produce pulse density modulated data by pulse density modulation of an analog signal, and a filtering unit to convert the pulse density modulated data into pulse code modulated data, wherein the modulation... | 11/03/2011 |
| 20110255228 | BALANCE SIGNAL OUTPUT TYPE SENSOR There is provided a balance signal output type sensor producing a high quality balance signal output. There is provided a balance signal output type sensor including a capacitor unit having a first electrode serving as a movable electrode and a second electrode disposed... | 10/20/2011 |
| 20110254718 | INTEGRATOR AND DELTA-SIGMA MODULATOR INCLUDING THE SAME An integrator is provided which can reduce a disturbance in the current waveform of a current DA converter in order to improve the SNR of a ΔΣ modulator, for example. The integrator includes an operational amplifier, and feedback paths provided in parallel between the... | 10/20/2011 |
| 20110248875 | SECOND-ORDER DELTA-SIGMA ANALOG-TO-DIGITAL CONVERTER Techniques are disclosed relating to analog-to-digital converters in integrated circuits. In one embodiment, a second-order delta-sigma analog-to-digital converter (ADC) is disclosed. The ADC includes a second-order integrator adapted to second-order integrate a value a... | 10/13/2011 |
| 20110241919 | System and method for generating shaped noise In a particular embodiment, a circuit device is disclosed that includes a data generator adapted to output a random pulse sequence having a particular spectral shape. The data generator includes a feedback loop with a transfer function, the output of which may be altere... | 10/06/2011 |
| 20110234437 | SIGMA DELTA MODULATOR The present application relates to a method for driving a sigma delta modulator. The present application relates also to a sigma delta modulator comprising at least one integrator device and one quantizer device and it relates to a readable medium having a computer prog... | 09/29/2011 |
| 20110227772 | Method and Apparatus for Analog to Digital Conversion of Small Signals in the Presence of a Large DC Offset Embodiments of the present invention provide a hybrid analog to digital converter that may include a DAC coupled to a hybrid analog to digital converter input; an integrator having an input coupled to the hybrid analog to digital converter input and the DAC, and generat... | 09/22/2011 |
| 20110221618 | CONTINUOUS-TIME DELTA-SIGMA ADC WITH COMPACT STRUCTURE A continuous-time delta-sigma Analog to Digital Converter (ADC) with a compact structure comprises a loop filter, a summing circuit, a quantizer, and a current Digital to Analog Converter (DAC). The loop filter is utilized for receiving and noise-shaping an analog input... | 09/15/2011 |
| 20110199247 | SIGMA-DELTA MODULATOR A sigma-delta modulator (400) 400, 500, 600) for converting an input signal (X(s)) (X(s)) to a quantized output signal (Y(z)) (Y(z)), in which a feedback loop is provided between a filter (402) and a quantizer (403) of the modulator, the feed... | 08/18/2011 |
| 20110199246 | HIGH RESOLUTION DELTA-SIGMA DIGITAL-TO-ANALOG CONVERTER A circuit for a delta-sigma digital-to-analog converter (DAC) includes a first stage with a delta-sigma noise-shaping loop. The first stage is capable of receiving an input signal, includes a first quantizer that has a first quantization error, and provides a first stag... | 08/18/2011 |
| 20110200077 | DELTA-SIGMA MODULATOR AND WIRELESS COMMUNICATION DEVICE In a DSM including a loop in which an output signal of a quantizer is digitally processed, and fed back through a DAC to an analog filter, the quantizer quantizes an analog signal from an analog filter section to output a digital signal. The digital signal from the quan... | 08/18/2011 |
| 20110200152 | 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 high-pass filtering means (MF) the chopping frequency of which is equal to half of the sampling frequency (F... | 08/18/2011 |
| 20110200070 | ADC, A TEMPERATURE SENSOR, A NON-CONTACT TRANSPONDER, AND A METHOD OF CONVERTING ANALOG SIGNALS TO DIGITAL SIGNALS An ADC is disclosed which has, as a first stage, a successive approximation converter, or other compensated, direct comparison converter, followed by a sigma delta modulation converter as a second stage. The sigma delta converter may beneficially be a first order modula... | 08/18/2011 |
| 20110187571 | DELTA-SIGMA ANALOG-TO-DIGITAL CONVERSION APPARATUS AND METHOD THEREOF A delta-sigma analog-to-digital conversion apparatus for receiving an analog input signal to generate a digital output signal includes a subtracting unit, a quantizer, and a feedback unit. The subtracting unit is utilized for performing a subtraction function to generat... | 08/04/2011 |
| 20110187570 | SIGMA DELTA CONVERTER SYSTEM AND METHOD A sigma delta converter system and method includes a multi bit quantizer circuit coupled to an output of the converter. A single bit analog-to-digital converter circuit is contained in a feedback path of the converter. The converter includes a feed forward path operable... | 08/04/2011 |
| 20110175761 | DELTA SIGMA ANALOGUE TO DIGITAL CONVERTER A delta sigma analogue to digital converter comprising: an integrator having first and second differential inputs for receiving an input analogue signal, the integrator having differential outputs; a quantiser having first and second differential inputs which receive si... | 07/21/2011 |
| 20110175762 | 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 main transfer function, the problem of improving SQNR without degrading oth... | 07/21/2011 |
| 20110169676 | ANALOG-TO-DIGITAL CONVERTER A ΔΣ analog-to-digital converter includes a previous stage amplifier circuit which amplifies an input signal, a conversion circuit which converts an analog signal into a digital signal, where the analog signal is output from the previous stage amplifier circuit, an in... | 07/14/2011 |
| 20110170628 | 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 range, a filter varies an element value of at least one kind of elements (... | 07/14/2011 |
| 20110169675 | ANALOG-TO-DIGITAL CONVERTER AND DIGITAL-TO-ANALOG CONVERTER An A/D converter includes an adjusting circuit to adjust a total of an amount of change of ΣΔ modulated data output from a ΣΔ modulator and an amount of change of dummy data to be constant, and a level converting part supplied with the ΣΔ modulated data. The level... | 07/14/2011 |
| 20110169674 | A-D convert apparatus and control method Provided is an AD conversion apparatus including: a differential amplifier that generates a differential input voltage according to an analog input signal; a differential DA converter of a charge redistribution type, which outputs a differential output voltage resulting... | 07/14/2011 |
| 20110169677 | RESONATOR AND OVERSAMPLING A/D CONVERTER Two resistive elements and a capacitive element are coupled between a first node and each of an inverting input terminal of an operational amplifier, an output terminal of the operational amplifier, and a common node. A resistive element and a capacitive element are cou... | 07/14/2011 |
| 20110163901 | 2-PHASE GAIN CALIBRATION AND SCALING SCHEME FOR SWITCHED CAPACITOR SIGMA-DELTA MODULATOR USING A CHOPPER VOLTAGE REFERENCE A sigma-delta modulator has a chopper voltage reference providing a reference signal having a clock dependent offset voltage, a single-bit or a multi-bit digital-to-analog converter (DAC); a plurality of capacitor pairs; a plurality of switches to couple any capacitor p... | 07/07/2011 |
| 20110163900 | Multimode Sampling/Quantization Converters Provided are, among other things, systems, methods and techniques for converting a continuous-time, continuously variable signal into a sampled and quantized signal. According to one implementation, an apparatus includes multiple processing branches, each including: a c... | 07/07/2011 |
| 20110157439 | IMAGING DEVICE, A/D CONVERTER DEVICE AND READING CIRCUIT An A/D converter device includes a zone identifying circuit configured to identify which one of a plurality of level zones a voltage level of an analog output signal is in; a shift voltage generating circuit configured to generate a shift voltage which corresponds to a ... | 06/30/2011 |
