| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 10/01/2009 | WO2009118351A1 Electronic motor vehicle control system with current measuring circuit |
| 10/01/2009 | US20090243903 System and method of altering a pwm carrier power spectrum |
| 10/01/2009 | DE19711715B4 Signalverarbeitungsvorrichtung zur Umsetzung eines Vielfachbit-Signales, in dem Unterdaten (Sub-Daten) an ein Ein-Bit-Signal angefügt sind A signal processing apparatus for converting a multi-bit signal in the sub data (sub-data) are added to a one-bit signal |
| 10/01/2009 | DE102008015841A1 Elektronisches Kraftfahrzeugregelungssystem mit Strommessschaltung Electronic motor vehicle control system with current measuring circuit |
| 09/29/2009 | CA2427423C Method and apparatus for controlling stages of a multi-stage circuit |
| 09/24/2009 | US20090237284 Digital sigma -delta modulators |
| 09/24/2009 | US20090237283 Method and apparatus for digital to analog conversion |
| 09/24/2009 | US20090237282 Oversampling PID Controller for Integration with a Delta-Sigma Analog-to-Digital Converter |
| 09/24/2009 | DE102006004212B4 Delta-Sigma-Analog-Digital-Wandler und Verfahren zur Delta-Sigma-Analog-Digital-Wandlung mit Offsetkompensation Delta-sigma analog-to-digital converter and method for delta-sigma analog-to-digital conversion with offset compensation |
| 09/23/2009 | EP2102987A1 Bandpass sigma-delta analogue/digital converter for converting an if signal |
| 09/23/2009 | CN101542909A Digital/analog conversion apparatus |
| 09/23/2009 | CN101540609A Method and apparatus for delta-sigma digital to analog conversion |
| 09/23/2009 | CN101540608A Device and method for reducing quantization noise in mute |
| 09/22/2009 | US7593483 Nonlinear mapping in digital-to-analog and analog-to-digital converters |
| 09/17/2009 | WO2009112830A2 Circuit testing |
| 09/16/2009 | CN101536317A Capacitance-to-digital interface circuit for differential pressure sensor |
| 09/16/2009 | CN100542044C Sigma delta A/D converter with pseudo flash converter |
| 09/15/2009 | US7590251 Clip detection in PWM amplifier |
| 09/09/2009 | EP2097984A1 Digital linear transmitter architecture |
| 09/09/2009 | EP2097982A1 Control closed-loop device and sigma-delta modulator |
| 09/09/2009 | CN100539435C Apparatus comprising a sigma-delta modulator and method of generating a quantized signal-delta modulator |
| 09/09/2009 | CN100539416C Forward-amplifying filter circuit |
| 09/08/2009 | US7587440 Digital filter and filtering method |
| 09/03/2009 | US20090219185 Adjusting an Input Signal Level of a Sigma-Delta Converter |
| 09/02/2009 | EP2096759A1 Sigma-delta type analog-to-digital (ad) converter and angular velocity sensor using same |
| 09/02/2009 | CN101523731A Semiconductor device having Delta-Sigma-type modulator, and semiconductor system |
| 09/02/2009 | CN100536345C Digital-to-analogue converter circuits |
| 09/01/2009 | US7583215 Semiconductor integrated circuit |
| 09/01/2009 | US7583214 Dynamic receive beamformer with oversampling for medical diagnostic ultrasound |
| 08/27/2009 | US20090212984 Quantizing circuits with variable parameters |
| 08/27/2009 | US20090212759 Transformer-isolated analog-to-digital converter (adc) feedback apparatus and method |
| 08/27/2009 | DE102009008752A1 Signalformung unter Verwendung einer Rückkopplung mit einer endlichen Impulsantwort Signal shaping using a feedback with a finite impulse response |
| 08/26/2009 | CN101515794A Filter circuit for use in trigonometric integral modulator and filter method related thereto |
| 08/20/2009 | WO2009101486A1 Sigma-delta modulator apparatus and method of generating a modulated output signal |
| 08/20/2009 | US20090210468 Generation of thermal agitation noise according to a predetermined histogram |
| 08/20/2009 | US20090207061 Sigma-delta conversion circuit suitable for photocurrent measurement applications |
| 08/20/2009 | US20090207060 Signal conversion using finite impulse response feedback |
| 08/19/2009 | EP1938113B1 A sampling module and a method of sampling one or more analogue characteristics of a power transmission system |
| 08/19/2009 | CN101512908A Asynchronous Sigma-Delta digital-to-analog converter |
| 08/19/2009 | CN101512480A Random number generators |
| 08/19/2009 | CN100530978C Semi-conductor circuit arrangement |
| 08/19/2009 | CN100530977C Method and apparatus for encoding and decoding data |
| 08/19/2009 | CN100530976C Multi-phase measurement system with synchronized sigma-delta converters |
| 08/18/2009 | US7576673 Increasing the dynamic range of pulse width modulation in analog to digital converters |
| 08/18/2009 | US7576672 Adaptive Dynamic Range Control |
| 08/18/2009 | US7576671 Mismatch-shaping dynamic element matching systems and methods for multi-bit sigma-delta data converters |
| 08/18/2009 | US7576670 Sigma-delta analog-digital converter for an xDSL multistandard input stage |
| 08/13/2009 | WO2009100379A1 Adaptive high-order digital-to-analog conversion |
| 08/12/2009 | EP2088677A1 Analog to digital converters |
| 08/12/2009 | CN101507118A A sigma-delta modulator |
| 08/11/2009 | US7573956 Time encoding and decoding of a signal |
| 08/06/2009 | US20090198467 Measuring Clock Jitter |
| 08/05/2009 | EP2084816A1 Sigma-delta modulator |
| 08/05/2009 | CN101499282A Voice A/D conversion method and device |
| 08/04/2009 | US7570693 Low noise digital to pulse width modulated converter with audio applications |
| 08/04/2009 | US7570186 A/D converters based on sigma delta modulators and iterative methods |
| 07/30/2009 | WO2009092963A1 Radiofrequency transmission system |
| 07/30/2009 | WO2009092959A1 Radiofrequency emission system |
| 07/30/2009 | WO2009092722A1 Multibit modulator with digital adjustable pulse duration |
| 07/29/2009 | CN100521548C Sigma-delta analog-to-digital converter and method |
| 07/28/2009 | US7567194 Delta sigma modulator and delta sigma A/D converter |
| 07/28/2009 | US7567193 Continuous time delta-sigma modulator and electronic circuit including the same |
| 07/28/2009 | US7567192 Sigma-delta modulator |
| 07/23/2009 | WO2009090518A1 A multi-bit sigma-delta modulator with reduced number of bits in feedback path |
| 07/23/2009 | DE102008041142A1 Multibit-Modulator mit digital stellbarer Pulsdauer Multi-bit modulator with digital adjustable pulse duration |
| 07/22/2009 | CN100517977C Time continuous sigma-delta-analog-digital-converter |
| 07/21/2009 | US7564391 Sigma delta modulator summing input, reference voltage, and feedback |
| 07/21/2009 | US7564389 Discrete-time, single-amplifier, second-order, delta-sigma analog-to-digital converter and method of operation thereof |
| 07/21/2009 | US7564388 Power efficient equalizer design |
| 07/16/2009 | WO2009087490A1 Semiconductor device and differential amplifier circuit therefor |
| 07/16/2009 | DE10341063B4 Vorwärtsverstärkende Filterschaltung Forward-enhancing filter circuit |
| 07/15/2009 | EP1627797B1 Electric power steering device controller |
| 07/15/2009 | CN101483439A Method and apparatus for implementing variable symbol rate |
| 07/15/2009 | CN100514865C Fractal sequencing schemes for offset cancellation in sampled data acquisition systems |
| 07/15/2009 | CN100514858C Word length reduction circuit |
| 07/14/2009 | US7561635 Variable coder apparatus for resonant power conversion and method |
| 07/14/2009 | US7561089 Digital to analogue conversion |
| 07/14/2009 | US7561086 Electronic circuit for the analog-to-digital conversion of an analog input signal |
| 07/09/2009 | WO2009085590A1 Sigma delta analog to digital converter with internal synchronous demodulation |
| 07/08/2009 | CN100512017C Bit reversal sigma-delta modulator and class-D amplifier |
| 07/07/2009 | US7557742 Pipelined/cyclic architectures for analog-digital signal conversion |
| 07/02/2009 | US20090167581 High-Precision Multi-Band Pass Delta-Sigma Modulator |
| 07/02/2009 | US20090167580 Sigma delta analog to digital converter with internal synchronous demodulation |
| 07/01/2009 | EP2074696A1 Analogue-to-digital converter apparatus and method of reusing an analogue-to-digital converter circuit |
| 07/01/2009 | CN101471670A Table-look-up type data weighting balance circuit and dynamic component matching method |
| 07/01/2009 | CN100508401C Trigonometric integral modulator with self-correction function |
| 06/30/2009 | US7554474 Feedforward sigma-delta ad converter with an optimized built-in filter function |
| 06/30/2009 | US7554473 Control system using a nonlinear delta-sigma modulator with nonlinear process modeling |
| 06/30/2009 | US7554472 Sigma-delta modulator |
| 06/25/2009 | WO2009077200A1 A multi-bit sigma-delta modulator with reduced niumber of bits in feedback path |
| 06/25/2009 | US20090160688 AD Converter |
| 06/24/2009 | CN101465651A AD converter |
| 06/24/2009 | CN101465650A Integral form analog-digital converter based on digital pulse-width modulation and analog-digital converting method |
| 06/24/2009 | CN100505550C Digital-to-analog converter arrangement |
| 06/23/2009 | US7551110 Chopping and oversampling ADC having reduced low frequency drift |
| 06/18/2009 | WO2009074470A1 Automatic gain control for delta-sigma modulator |
| 06/18/2009 | WO2009074386A1 Signal modulator for analog/digital converter |
| 06/18/2009 | US20090153382 Signal processing circuit comprising a sigma delta analog to digital converter |
| 06/18/2009 | US20090153381 Superconductor Analog-to-Digital Converter |
| 06/16/2009 | US7548180 Method and system for digital to analog conversion for power amplifier driver amplitude modulation |