| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 06/14/2011 | US7961128 Pulse generator and continuous-time sigma-delta modulator |
| 06/09/2011 | US20110133969 Bandpass delta-sigma modulator |
| 06/09/2011 | US20110133968 Modulator with loop-delay compensation |
| 06/08/2011 | CN201860320U Sigma-Delta SAR (specific absorption rate) analog-digital converter |
| 06/08/2011 | CN1702973B Digital delta sigma modulator and applications thereof |
| 06/07/2011 | US7956783 Analog-to-digital converter using digital output as dither |
| 06/07/2011 | US7956782 Current-mode sigma-delta digital-to-analog converter |
| 06/07/2011 | US7956781 Analogue-to-digital converter apparatus and method of reusing an analogue-to-digital converter circuit |
| 06/07/2011 | US7956780 Filter with capacitive forward coupling |
| 06/07/2011 | CA2651951C A/d converter and a/d converting method |
| 06/02/2011 | US20110128173 Delta-sigma modulator and dithering method including a dithering capability for eliminating idle tones |
| 06/01/2011 | EP2327164A2 Sigma delta modulator |
| 06/01/2011 | CN1961485B System for controlling reference signal generator and method for controlling error signal mode |
| 05/31/2011 | US7953057 Packetized audio data operations in a wireless local area network device |
| 05/31/2011 | US7952506 ΔΣ-type A/D converter |
| 05/26/2011 | US20110122009 Sigma delta modulator and quantizer and quantization method thereof |
| 05/25/2011 | EP2324573A1 Delta-sigma modulator and dithering method including a dithering capability for eliminating idle tones |
| 05/25/2011 | CN102077467A Sensor interface devices and amplifiers |
| 05/25/2011 | CN101262226B Delta sigma-type AD converter, class-D amplifier, and DC-DC converter |
| 05/25/2011 | CN101227189B Frequency synthesizer and automatic frequency calibration circuit and method |
| 05/25/2011 | CN101114832B Delta-sigma modulated fractional-n pll frequency synthesizer |
| 05/24/2011 | USRE42387 Method for compensating non-linearity of a sigma-delta analog-to-digital converter |
| 05/24/2011 | US7948414 Delta-sigma analog-to-digital conversion apparatus and method thereof |
| 05/24/2011 | US7948413 Method and apparatus for analog-to-digital conversion using asynchronous sigma-delta modulation |
| 05/24/2011 | US7948412 Delta-sigma modulator |
| 05/18/2011 | EP2323327A2 System and method for demodulating and decoding a differentially encoded COFDM (coded orthogonal frequency division multiplexing) modulation code using two-dimensional code blocks |
| 05/18/2011 | CN102067457A Integrator, resonator, and oversampling A/D converter |
| 05/17/2011 | US7944907 Temporal alignment of codec data with wireless local area network RF slots |
| 05/17/2011 | US7944385 Continuous-time sigma-delta analog-to-digital converter with capacitor and/or resistance digital self-calibration means for RC spread compensation |
| 05/17/2011 | US7944380 Wireless local area network device supporting enhanced call functions |
| 05/12/2011 | US20110109489 Data Converter Having a Passive Filter |
| 05/12/2011 | DE102008023535B4 Elektronische Vorrichtung und Verfahren zur Auswertung einer variablen Kapazität Electronic device and method for evaluating a variable capacitance |
| 05/12/2011 | DE102006013782B4 Sigma-Delta-Modulator und Verfahren zur Sigma-Delta-Modulation Sigma-delta modulator and method for sigma-delta modulation |
| 05/12/2011 | DE102006007715B4 Frequenzsynthesizer und Bruchteil-N-Frequenzsyntheseverfahren Frequency synthesizer and fractional-N frequency synthesis process |
| 05/12/2011 | DE102005035385B4 Digital-Analog-Umsetzer und Verfahren zur Digital-Analog-Umsetzung eines Signals Digital-to-analog converter and method for digital-to-analog conversion of a signal |
| 05/11/2011 | EP2319182A2 A method to linearize the output from an adc |
| 05/11/2011 | EP1769582B1 Current parking return to zero digital-to-analog converter |
| 05/11/2011 | CN102055480A Sampling frequency conversion device |
| 05/11/2011 | CN101409560B Apparatus and method for eliminating blasting noise of digital-analog converter |
| 05/05/2011 | US20110102224 Integrated circuit and corresponding method of processing a multitype radio frequency digital signal |
| 05/05/2011 | US20110102223 Amplifier with digital input and digital pwm control loop |
| 05/05/2011 | US20110102222 Continuous time sigma-delta a/d converter and electrical system comprising the a/d converter |
| 05/04/2011 | EP2317652A1 Oversampling a/d converter |
| 05/03/2011 | US7936293 Delta-sigma modulator |
| 04/28/2011 | WO2011050335A1 Feedback circuits with dc offset cancellation |
| 04/28/2011 | US20110096878 Delta-Sigma Analog-to-Digital Converter, Radio Receiver, Communication Apparatus, Method, and Computer Program |
| 04/28/2011 | US20110095925 Delta-sigma a/d converter |
| 04/28/2011 | US20110095924 Feedback circuits with dc offset cancellation |
| 04/28/2011 | DE102010032296A1 Verfahren zur Verarbeitung eines einen analog bestimmten Wert für Ausgangsstrom eines Umrichters darstellenden Messwertsignals und Vorrichtung zur Durchführung des Verfahrens A method for processing a particular value for an analog output current of an inverter performing measurement value signal and device for carrying out the method |
| 04/27/2011 | EP1400017B1 A multi-level quantizer with current mode dem switch matrices and separate dem decision logic for a multibit sigma delta modulator |
| 04/27/2011 | CN101267413B RF transmission method and system and vibration wave generator, sigma-delta modulator and mobile terminal |
| 04/21/2011 | WO2011012812A3 Correction of analog defects in parallel analog-to-digital converters, in particular for multi-standard, software-defined radio, and/or cognitive radio use |
| 04/20/2011 | CN102025378A Multichannel sigma-delta converting circuit with shared operational amplifier and associated method thereof |
| 04/20/2011 | CN101404502B Integrated circuit comprising a plurality of digital-to-analog converters, sigma-delta modulator circuit, and method of calibrating a plurality of multibit digital-to-analog converters |
| 04/19/2011 | US7928878 Analog to digital converter with low out of band peaking |
| 04/19/2011 | US7928877 Continuous-time delta-sigma modulator with small distributed resonators |
| 04/19/2011 | US7928876 Sigma delta modulator |
| 04/19/2011 | US7928867 Analog to digital converter with digital filter |
| 04/13/2011 | EP2308174A1 Method and apparatus for matched quantum accurate feedback dacs |
| 04/13/2011 | CN201797509U Circuit realizing summation of voltages |
| 04/13/2011 | CN101375507B Continuous-time sigma-delta analog-to-digital converter with capacitor and/or resistance digital self-calibration means for RC spread compensation |
| 04/12/2011 | US7924194 Use of three phase clock in sigma delta modulator to mitigate the quantization noise folding |
| 04/12/2011 | US7924193 All-digital spread spectrum clock generator |
| 04/12/2011 | US7924192 ΔΣ analog-to-digital converter |
| 04/12/2011 | US7924191 Integrated poly-phase fir filter in double-sampled analog to digital converters |
| 04/07/2011 | WO2011039915A1 Integrator, and oversampling a/d converter equipped therewith |
| 04/07/2011 | WO2011039914A1 Complex second integrator and oversampling a/d converter provided with same |
| 04/05/2011 | US7920083 Column-parallel sigma-delta analog-to-digital conversion with gain and offset control |
| 03/31/2011 | US20110075775 Analog to digital converter with low out of band peaking |
| 03/31/2011 | US20110075768 Successive Approximation Register (SAR) Analog-To-Digital Converter (ADC) Having Optimized Filter |
| 03/31/2011 | US20110074614 Boost circuit |
| 03/31/2011 | US20110074613 Multiple-bit, digital-to-analog converters and conversion methods |
| 03/31/2011 | DE102010036819A1 Gekoppelte Delta-Sigma-Modulatoren Coupled delta-sigma modulators |
| 03/30/2011 | CN101997550A Delta-sigma analog-to-digital conversion apparatus and method thereof |
| 03/29/2011 | US7916056 Sigma delta modulator and sigma delta A/D converter using the same |
| 03/29/2011 | US7916055 Sigma-delta modulator and method thereof |
| 03/29/2011 | US7916054 K-delta-1-sigma modulator |
| 03/29/2011 | US7915838 Delta-sigma signal density modulation for optical transducer control |
| 03/24/2011 | WO2011034505A2 Integrated circuit and electronic device comprising threshold generation circuitry and method therefor |
| 03/24/2011 | US20110069211 Analog-to-digital converter for controlling gain by changing a system parameter, image sensor including the analog-to-digital converter and method of operating the analog-to-digital converter |
| 03/24/2011 | DE102010036341A1 Delta-Sigma Analog-Digital-Wandler Delta-Sigma analog-to-digital converter |
| 03/23/2011 | CN101989860A Linearity enhancement circuit, A/D converter, and reception apparatus |
| 03/17/2011 | US20110063155 Sigma-Delta Modulator with Shared Operational Amplifier and Associated Method |
| 03/17/2011 | US20110063154 Touch controller with improved analog front end |
| 03/17/2011 | US20110063146 Multistage chopper stabilized delta-sigma adc with reduced offset |
| 03/16/2011 | EP1763867B1 Speech activity detection |
| 03/16/2011 | CN101483439B Method and apparatus for implementing variable symbol rate |
| 03/10/2011 | WO2011027114A1 Prediction of signals |
| 03/10/2011 | WO2011008928A3 2-phase gain calibration and scaling scheme for switched capacitor sigma-delta modulator |
| 03/10/2011 | US20110057824 Analog-to-digital converter having output data with reduced bit-width and related system and method |
| 03/10/2011 | DE102009029053A1 Verfahren und Vorrichtung zum Bereitstellen eines Reflexionssignals Method and apparatus for providing a reflectance signal |
| 03/10/2011 | DE102004013108B4 Verfahren zum Betreiben einer Versorgungseinheit für eine Treiberschaltung sowie Versorgungseinheit für eine Treiberschaltung A method for operating a supply unit for a driver circuit and supply unit for a driver circuit |
| 03/10/2011 | CA2809915A1 Prediction of signals |
| 03/09/2011 | EP2127087B1 Method and apparatus for feedback signal generation in sigma-delta analog-to-digital converters |
| 03/08/2011 | US7903012 D/A converter and reference voltage circuit including same |
| 03/08/2011 | US7903010 Delta-sigma analog-to-digital converter (ADC) having a serialized quantizer output |
| 03/08/2011 | US7903009 Starting circuit and method for the stable starting of a circuit arrangement with plural feedback control circuits |
| 03/03/2011 | WO2011023294A1 Method for processing a measured value signal representing a value determined in analogue form for the output current of a converter and device for carrying out the method |
| 03/03/2011 | US20110050474 Method and circuit for calibrating phase, and signal processing apparatus having the same |
| 03/03/2011 | US20110050473 Analog-to-digital converters, and image sensors and image processing devices having the same |