Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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01/25/2012 | EP2409401A1 Digital filtering in a class d amplifier system to reduce noise fold over |
01/25/2012 | CN102334294A Continuous-time sigma-delta modulator with multiple feedback paths having independent delays |
01/25/2012 | CN102332923A Sigma-delta modulator in analog to digital converter |
01/25/2012 | CN101667834B Dynamic element matching method and continuous-time sigma-delta modulator using the same |
01/24/2012 | US8102292 Analog-to-digital converter (ADC) having a successive-approximation register digital to-analog converter (SARDAC) |
01/24/2012 | US8102291 Sigma delta modulator and quantizer and quantization method thereof |
01/24/2012 | US8102290 Sigma-delta modulator |
01/19/2012 | WO2012007328A1 Delta-sigma analog-to-digital converter and method for operating same |
01/19/2012 | DE102010031290A1 Switching device i.e. multi-stage delta-sigma converter device, for analog to digital conversion, has operational transconductance amplifier commonly used in integrator circuits that are clocked in different clock phases |
01/18/2012 | EP2408113A1 Delta-sigma analog-to-digital converter and method for operating the same. |
01/18/2012 | CN102324941A Low-power-consumption two-step feedforward adder circuit |
01/17/2012 | CA2502451C Mixed technology mems/bicmos lc bandpass sigma-delta for direct rf sampling |
01/12/2012 | WO2012005777A1 2-phase gain calibration and scaling scheme for switched capacitor sigma-delta modulator using a chopper voltage reference |
01/12/2012 | US20120010522 Input converter for an eeg monitoring system, signal conversion method and monitoring system |
01/12/2012 | US20120007760 Input converter for a hearing aid and signal conversion method |
01/12/2012 | DE102011004930A1 System, das eine Rückkopplungsschaltung mit digitaler Zerhackungsschaltung umfasst A system comprising a feedback circuit with digital Zerhackungsschaltung |
01/12/2012 | DE102005057768B4 Zeitkontinuierlicher Delta-Sigma-Analog-Digital-Wandler A continuous-time delta-sigma analog-to-digital converter |
01/11/2012 | EP2405580A1 Complex bandpass delta sigma ad modulator and digital radio receiver |
01/11/2012 | CN1941675B Transmitting and receiving device and transmitting device and receiving device |
01/11/2012 | CN1852028B Multibit delta sigma modulation DA converter |
01/11/2012 | CN101427469B Delta sigma modulators with comparator offset noise conversion |
01/11/2012 | CN101350622B Quantizer circuit for DEM algorithm and implementing method |
01/10/2012 | US8094051 Sigma-delta-based analog-to-digital converter |
01/05/2012 | WO2012001019A1 Sigma-delta adc with test circuitry |
01/05/2012 | US20120002093 Correlated double sampling circuit and image sensor including the same |
01/05/2012 | US20120001782 Delta Sigma ADC |
01/04/2012 | EP2401816A2 Continuous-time sigma-delta modulator with multiple feedback paths having independent delays |
01/03/2012 | US8089382 Sampling/quantization converters |
12/29/2011 | US20110316731 Method and device for phase and/or pulse-width modulation |
12/29/2011 | US20110316729 Complex bandpass deltasigmaad modulator and digital radio receiver |
12/27/2011 | US8085178 Multiplying-adding return to zero digital to analog converter circuit and method |
12/22/2011 | WO2011159201A1 Local cvsd decoder and methods for the use thereof |
12/21/2011 | EP2398148A1 Rf signal generation device with configurable sigma-delta modulator and pulse-width modulator for output frequency band selection, and associated methods |
12/21/2011 | CN102292916A 面积高效的动态元件匹配系统和方法 Area-efficient dynamic element matching system and method |
12/21/2011 | CN102291150A 一种sigma-delta调制器 One kind of sigma-delta modulator |
12/20/2011 | US8081770 Pattern detection circuitry |
12/20/2011 | US8081098 Integrator, delta-sigma modulator, analog-to-digital converter and applications thereof |
12/15/2011 | US20110304491 Digital feedforward sigma-delta modulator in analog-to-digital converter and modulation method thereof |
12/14/2011 | EP2229734B1 A multi-bit sigma-delta modulator with reduced number of bits in feedback path |
12/14/2011 | CN102282912A 具有精确电流控制的led照明系统 Have led lighting system precise current control |
12/14/2011 | CN102282769A △-∑ad转换电路以及电池组 △ -Σad conversion circuit and battery pack |
12/14/2011 | CN102282767A 包括用于控制频率源的频率生成电路的集成电路 Comprises an integrated circuit for controlling the frequency source frequency generating circuit |
12/13/2011 | US8077066 ΔΣ modulator |
12/08/2011 | WO2011150732A1 Modulator and design method thereof |
12/08/2011 | DE102010039272B3 Kapazitätsmessschaltung, Sensorsystem und Verfahren zum Messen einer Kapazität unter Verwendung eines sinusförmigen Spannungssignals Capacitance measuring circuit, sensor system and method for measuring a capacitance using a sinusoidal voltage signal |
12/07/2011 | EP1604458B1 Mixed technology mems/bicmos lc bandpass sigma-delta for direct rf sampling |
12/07/2011 | CN102273079A 积分器电路及具备该积分器电路的δσ调制器 Integrator circuit and the modulator includes δσ integrator circuit |
12/07/2011 | CN102270991A 二阶分时复用Delta-Sigma调制器 Second-order time-multiplexed Delta-Sigma Modulator |
12/07/2011 | CN102270990A 一种调制器及其设计方法 A modulation method and its design |
12/07/2011 | CN101427471B 使用模拟-数字δ-∑调制器的信号处理系统及方法 Using an analog - digital δ-Σ modulator signal processing system and method |
12/07/2011 | CN101231843B 声音再生装置和声音再生方法 Sound reproducing apparatus and method for sound reproduction |
12/06/2011 | US8072363 System and method for bandpass sigma-delta modulation |
12/06/2011 | US8072362 Modulator with loop-delay compensation |
12/01/2011 | WO2011149131A1 Sigma-delta structure for a digital high-frequency transmitter |
12/01/2011 | WO2011148605A1 Delta-sigma a/d converter |
11/30/2011 | EP2391014A1 Selection device |
11/30/2011 | CN1956341B 连续时间delta-sigma调制器的背景校正电路和方法 Continuous time delta-sigma modulator background correction circuit and method |
11/24/2011 | US20110285566 Digital-to-analog converter and digital-to-analog converting device |
11/24/2011 | US20110285565 Parallel mash delta sigma modulator |
11/23/2011 | CN1934788B Switched capacitor signal scaling circuit |
11/22/2011 | US8063806 Apparatus comprising frequency selective circuit and method |
11/16/2011 | CN102244517A Shared exchange capacitance type integrator and operation method thereof as well as sigma-delta modulator |
11/09/2011 | CN101615893B Amplifier using delta-sigma modulation and method for adjusting errors of same |
11/08/2011 | US8054089 Capacitance measuring circuit |
11/03/2011 | US20110270552 Delta-sigma ad converter circuit and battery pack |
11/03/2011 | US20110267210 Shaping Inter-Symbol-Interference in Sigma Delta Converter |
11/01/2011 | US8049651 ΔΣ modulation circuit and system |
10/27/2011 | WO2011131202A1 A delta sigma modulator |
10/26/2011 | EP2381578A1 A sigma delta converter |
10/26/2011 | EP2064621B1 A random number generator |
10/25/2011 | US8044836 Continuous time sigma-delta A/D converter and electrical system comprising the A/D converter |
10/20/2011 | US20110255228 Balance signal output type sensor |
10/20/2011 | US20110254718 Integrator and delta-sigma modulator including the same |
10/19/2011 | EP2243268B1 Radiofrequency emission system |
10/19/2011 | CN1661921B Delta/Sigma frequency discriminator |
10/18/2011 | US8040976 Digital receiver and method |
10/18/2011 | US8040266 Programmable sigma-delta analog-to-digital converter |
10/18/2011 | US8040265 Down-converter and up-converter for time-encoded signals |
10/13/2011 | WO2011010314A3 Ultra-high-speed photonic-enabled adc based on multi-phase interferometry |
10/13/2011 | US20110248875 Second-order delta-sigma analog-to-digital converter |
10/12/2011 | CN101540609B Method and apparatus for delta-sigma digital to analog conversion |
10/12/2011 | CN101379709B Sigma-delta modulation with offset |
10/11/2011 | CA2476967C A system and method for adaptive sigma-delta modulation |
10/06/2011 | US20110241919 System and method for generating shaped noise |
10/04/2011 | US8031096 High resolution delta-sigma digital-to-analog converter |
10/04/2011 | US8031095 Signal conversion using finite impulse response feedback |
10/04/2011 | US8031094 Touch controller with improved analog front end |
09/29/2011 | US20110234437 Sigma delta modulator |
09/28/2011 | CN1943115B Methods and apparatus for reducing thermal noise |
09/28/2011 | CN1938954B Method of reducing inter-symbol interference, a sigma-delta converter for performing this method |
09/28/2011 | CN102201814A Method and system for matching dynamic elements |
09/22/2011 | WO2011114300A1 Control of a microphone |
09/22/2011 | US20110228754 Packetized audio data operations in a wireless local area network device |
09/22/2011 | US20110227772 Method and Apparatus for Analog to Digital Conversion of Small Signals in the Presence of a Large DC Offset |
09/21/2011 | EP2367366A1 Control of a microphone |
09/21/2011 | EP2245742B1 Adaptive high-order digital-to-analog conversion |
09/21/2011 | CN102197600A Method, device, computer program and computer program product for determining a representation of a signal |
09/15/2011 | US20110221618 Continuous-time delta-sigma adc with compact structure |
09/14/2011 | EP2365634A1 Pulse density modulation method and apparatus |
09/14/2011 | CN102187582A Multi-level feed-back digital-to-analog converter using a chopper voltage reference for a switched capacitor sigma-delta analog-to-digital converter |