| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 01/19/2006 | DE102004031447A1 Data-weighting device for a sigma-delta ADC, has scrambler rotating digital output of converter as function of computed current pointer determined using pipeline mechanisms from preceding pointer and output data |
| 01/19/2006 | DE102004031153A1 Hochauflösender Sigma-Delta-Wandler High-resolution Sigma-Delta converter |
| 01/18/2006 | EP1543623A4 Noise shapers with shared and independent filters and multiple quantizers and data converters |
| 01/18/2006 | CN1723616A 音频放大器 Audio Amplifiers |
| 01/17/2006 | US6987475 Audio digital to analog converter with harmonic suppression |
| 01/17/2006 | US6987474 Beamformed ultrasonic imager with delta-sigma feedback control |
| 01/17/2006 | US6987473 Digital signal-rate converter and systems incorporating same |
| 01/17/2006 | US6987069 Fabrication process of a semiconductor integrated circuit device |
| 01/12/2006 | WO2006003502A1 Speech activity detection |
| 01/11/2006 | EP1614149A2 Sample and hold circuits and methods with offset error correction and systems using the same |
| 01/11/2006 | EP1260039B1 Application of digital processing scheme for enhanced cable television network performance |
| 01/05/2006 | WO2006000987A1 Device for converting analog signals to digital signals with non-uniform accuracy |
| 01/05/2006 | US20060004898 Circuit configuration for averaging |
| 01/05/2006 | US20060001561 Data converter |
| 01/05/2006 | DE102004030812B4 Power-saving multi-bit delta-sigma converter esp. for high-bandwidth and very high clock-rate systems, uses clocked quantization device for quantizing filtered difference signal |
| 01/04/2006 | EP1612946A1 Apparatus comprising a sigma-delta modulator and method of generating a quantized signal in a sigma-delta modulator |
| 01/04/2006 | EP1611691A1 Digital receiver and method |
| 01/04/2006 | EP1611558A2 Sensing device for sensing a physical parameter |
| 01/04/2006 | EP1304809B1 Digital signal encoding apparatus and method, digital signal decoding apparatus and method, and digital signal transmission system |
| 01/04/2006 | CN1717870A Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same |
| 01/04/2006 | CN1716787A System and method for simplifying analog processing in a transmitter incorporating a randomization circuit |
| 12/29/2005 | WO2005125017A2 Systems and methods for analog to digital conversion |
| 12/29/2005 | US20050285768 DA converter circuit provided with DA converter of segment switched capacitor type |
| 12/29/2005 | US20050285766 Complex band-pass delta sigma AD modulator for use in AD converter circuit |
| 12/29/2005 | US20050285765 Delta-sigma modulator and delta-sigma modulation method |
| 12/29/2005 | US20050285763 Hybrid tuning circuit for continuous-time sigma-delta analog-to-digital converter |
| 12/29/2005 | US20050285670 Audio amplifier |
| 12/29/2005 | DE102004027488A1 Sigma-delta modulator for forming digital output signal, has analog/digital convertor with input offset voltage fluctuation that is larger than voltage difference of quantization stages of internal analog/digital convertor of modulator |
| 12/28/2005 | CN1714502A Pulse width-modulated noise shaper |
| 12/28/2005 | CN1713529A Delta-sigma modulator and delta-sigma modulation method |
| 12/28/2005 | CN1234257C Variable-order 'delta-sigma' modulator and DA converter |
| 12/27/2005 | US6980145 System and method for noise cancellation in a signal processing circuit |
| 12/27/2005 | US6980144 Method for reducing DAC resolution in multi-bit sigma delta analog-to digital converter (ADC) |
| 12/27/2005 | US6980139 Sigma-delta-modulator |
| 12/22/2005 | DE19937246B4 Kaskadierter Sigma-Delta-Modulator Cascaded sigma-delta modulator |
| 12/21/2005 | EP1605880A2 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same |
| 12/20/2005 | US6977601 Low power current input delta-sigma ADC using injection FET reference |
| 12/20/2005 | US6977546 High efficiency power amplifier systems and methods |
| 12/15/2005 | WO2005119379A1 Measuring clock jitter |
| 12/15/2005 | WO2005093934A8 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit |
| 12/15/2005 | WO2005079240A3 Switching power amplifier using a frequency translating delta sigma modulator |
| 12/15/2005 | US20050275580 Double-sampled integrator system and method thereof |
| 12/15/2005 | US20050275577 Method and apparatus for operating a pipelined ADC circuit |
| 12/15/2005 | US20050275576 Systems and methods for analog to digital conversion |
| 12/15/2005 | US20050275575 Integrator circuit |
| 12/15/2005 | US20050275574 Tri-state delta codec method and system |
| 12/15/2005 | US20050275572 Method and apparatus for start-up of analog-to-digital converters |
| 12/15/2005 | US20050275571 Method and apparatus for operating a delta sigma ADC circuit |
| 12/15/2005 | DE102004024645A1 Verfahren und Vorrichtung zur Reduzierung der Signalbilder am Ausgang eines Digital-Analog-Umsetzers Method and device for reduction of the signal at the output images of a digital to analog converter |
| 12/14/2005 | EP1604458A1 Mixed technology mems/bicmos lc bandpass sigma-delta for direct rf sampling |
| 12/14/2005 | CN1707954A Multi-thread parallel processing sigma-delta ADC |
| 12/13/2005 | US6975682 Multi-bit delta-sigma analog-to-digital converter with error shaping |
| 12/13/2005 | US6975259 Continuous-time delta-sigma ADC with programmable input range |
| 12/13/2005 | US6975258 Circuit for direct digital delta-sigma conversion of variable electrical capacitance |
| 12/13/2005 | US6975257 Sigma-delta modulation |
| 12/13/2005 | US6975255 Random interleaving dither for sigma-delta analog-to-digital converters |
| 12/08/2005 | WO2005117269A1 Bitstream controlled reference signal generation for a sigma-delta modulator |
| 12/08/2005 | WO2005117258A1 System clock generator circuit |
| 12/08/2005 | US20050270203 Nonlinear mapping in digital-to-analog and analog-to-digital converters |
| 12/08/2005 | US20050270201 Method for reducing dac resolution in multi-bit sigma delta analog-to digital converter (adc) |
| 12/08/2005 | US20050270193 Method and device for reducing the signal images at the output of a digital/analogue converter |
| 12/07/2005 | EP1603244A2 Transmitting of a bitstream signal |
| 12/07/2005 | EP1391039A4 Dynamic element matching |
| 12/07/2005 | EP1384327A4 Method and system for operating two or more integrators with different power supplies for an analog-to-digital delta-sigma modulator |
| 12/07/2005 | EP0865685B1 Data compression and expansion of an audio signal |
| 12/06/2005 | US6972705 Signal processing system having an ADC delta-sigma modulator with single-ended input and feedback signal inputs |
| 12/06/2005 | US6972704 Sigma-delta modulator with PWM output |
| 12/01/2005 | WO2005082236A3 Multi-bit adc with sigma-delta modulation |
| 12/01/2005 | US20050266630 Fabrication process of a semiconductor integrated circuit device |
| 12/01/2005 | DE102004022572A1 Integratorschaltung Integrator circuit |
| 11/30/2005 | EP1599944A2 Feedback steering delta-sigma modulators and systems using the same |
| 11/29/2005 | US6970753 Storage and transmission of one-bit data |
| 11/29/2005 | US6970503 Apparatus and method for converting analog signal to pulse-width-modulated signal |
| 11/29/2005 | US6970126 Variable capacitance switched capacitor input system and method |
| 11/29/2005 | US6970123 Inductorless architecture for a switching amplifier |
| 11/29/2005 | US6970120 Method and apparatus for start-up of analog-to-digital converters |
| 11/29/2005 | US6970118 High-speed high-resolution ADC for precision measurements |
| 11/24/2005 | DE10238028B4 Verfahren und Vorrichtung zur Analog-Digital-Wandlung Method and apparatus for analog-to-digital conversion |
| 11/23/2005 | EP1456955B1 Broadband sigma-delta modulator |
| 11/23/2005 | CN2742680Y Quantized noise shaping modulator |
| 11/22/2005 | US6967608 Sigma-delta analog-to-digital converter (ADC) with truncation error cancellation in a multi-bit feedback digital-to-analog converter (DAC) |
| 11/22/2005 | US6967607 Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same |
| 11/22/2005 | US6967606 Loop filter for a continuous time sigma delta analog to digital converter |
| 11/17/2005 | US20050253746 Superconducting multi-stage sigma-delta modulator |
| 11/17/2005 | DE10237856B4 Anordnung zur Digital-Analog-Wandlung eines hochfrequenten digitalen Eingangssignals in ein trägerfrequentes analoges Ausgangssignal Arrangement for digital-to-analog conversion of a high-frequency digital input signal into a carrier-frequency analog output signal |
| 11/16/2005 | EP0879465B1 Data processing of a bitstream signal |
| 11/15/2005 | US6965339 Method and system for analog to digital conversion using digital pulse width modulation (PWM) |
| 11/15/2005 | US6965335 Methods for output edge-balancing in pulse width modulation systems and data converters using the same |
| 11/15/2005 | US6965333 Circuit for using capacitor voltage divider in a delta-sigma digital-to-analog converter to generate reference voltage |
| 11/10/2005 | WO2005107077A1 Methods and apparatus for reducing thermal noise |
| 11/10/2005 | DE10342056B4 Additionsschaltung für Sigma-Delta-Modulatorschaltungen Addition circuit for sigma-delta-modulator circuits |
| 11/10/2005 | DE102004042184B3 Circuit arrangement for providing a charge based on an input current such as for use in computer tomography having a first unit in one state when a second unit is in a second state |
| 11/10/2005 | DE102004018116A1 Compression and expansion process for delta modulation communication especially for mobile phone conferencing converts input signal into a delta value evaluates and adjusts output |
| 11/09/2005 | EP1187334B1 Oversampling circuit and digital/analog converter |
| 11/08/2005 | US6963297 Delta-sigma digital-to-analog converter assembly |
| 11/08/2005 | US6962436 Digitizing temperature measurement system and method of operation |
| 11/03/2005 | WO2005104378A1 Sigma delta modulator loop configured to compensate amplifier noise affecting signals in the am radio frequency band |
| 11/03/2005 | WO2005104377A2 A method and system for analog to digital conversion using digital pulse width modulation (pwm) |
| 11/03/2005 | US20050246404 Digital filter and filtering method |
| 11/03/2005 | US20050242978 Circuit arrangement and method for sigma-delta conversion with reduced idle tones |