| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 07/19/2000 | CN1260913A Apparatus and method for reducing periodic noise in sigma-delta modulator |
| 07/18/2000 | US6091350 Automatic voltage reference scaling in analog-to-digital and digital-to-analog converters |
| 07/18/2000 | US6091349 Noise management scheme for high-speed mixed-signal integrated circuits |
| 07/13/2000 | WO2000041322A1 Circuit for a multi-standard communications terminal |
| 07/13/2000 | WO2000041311A1 Circuits, systems and methods for processing data in a one-bit format |
| 07/13/2000 | WO2000031877A3 Sigma-delta-d/a-converter |
| 07/12/2000 | CN1054488C 多模式信号处理 Multi-mode signal processing |
| 07/11/2000 | US6087969 Sigma-delta modulator and method for digitizing a signal |
| 07/11/2000 | US6087968 Analog to digital converter comprising an asynchronous sigma delta modulator and decimating digital filter |
| 07/06/2000 | WO2000039538A1 Device and method for ultrasonic measurement of a fluid flow rate comprising a sigma-delta band pass analog-to-digital converter |
| 06/29/2000 | WO2000038334A1 Transmission circuit of a radio frequency signal |
| 06/29/2000 | WO2000038327A1 Delta sigma circuit with pulse width modulated offset |
| 06/28/2000 | EP1012984A1 An analog-to-digital converter |
| 06/28/2000 | EP1012983A1 Delta sigma analog-to-digital converter |
| 06/28/2000 | CN1258069A Transmission device and reproducing device |
| 06/27/2000 | US6081216 Low-power decimator for an oversampled analog-to-digital converter and method therefor |
| 06/22/2000 | WO2000036750A1 Method and apparatus for eliminating clock jitter in continuous-time delta-sigma analog-to-digital converters |
| 06/21/2000 | EP1011200A1 Electronic analogue-to-digital conversion circuit for a baseband transmission chain |
| 06/21/2000 | CN1257351A Electronic digital-to-analog converter circuit for baseband transmission system |
| 06/15/2000 | WO2000035097A1 Calibration and compensation of delta sigma adc's and dac's by correlating noise signals |
| 06/15/2000 | WO2000035096A2 Analog-digital converter |
| 06/14/2000 | EP0813768B1 Slope, drift and offset compensation in zero-if receivers |
| 06/14/2000 | CA2291870A1 Electronic circuit for digital-analog conversion for a baseband transmission network |
| 06/13/2000 | US6075820 Sampling receiver with multi-branch sigma-delta modulators and digital channel mismatch correction |
| 06/13/2000 | US6075473 Multibit digital to analog converter having deglitch means with current switching |
| 06/07/2000 | CN1256037A Signal processing method and device |
| 06/06/2000 | US6072843 Method and apparatus for sigma-delta demodulator with aperiodic data |
| 06/02/2000 | WO2000031879A1 Circuit configuration for quantisation of digital signals and for filtering quantisation noise |
| 06/02/2000 | WO2000031877A2 Sigma-delta-d/a-converter |
| 05/31/2000 | CN1254916A Reproducer and signal processor |
| 05/25/2000 | WO2000019615A3 Correction of nonlinear output distortion in a delta sigma dac |
| 05/17/2000 | EP1001538A2 Sigma-delta-modulator and method for quantisation error suppression in a sigma-delta-modulator |
| 05/16/2000 | US6064700 1-bit digital signal processing device, recording device, and reproducing device |
| 05/16/2000 | US6064326 Analog-to-digital conversion overload detection and suppression |
| 05/11/2000 | DE19851637A1 Sigma-Delta-Modulator und Verfahren zur Unterdrückung eines Quantisierungsfehlers in einem Sigma-Delta-Modulator Sigma-delta modulator and method for suppressing a quantization error in a sigma-delta modulator |
| 05/10/2000 | EP0999646A2 Apparatus for transmitting and reproducing a digital audio signal |
| 05/10/2000 | EP0999645A1 Data converter |
| 05/10/2000 | EP0998795A1 Method and apparatus for performance improvement by qualifying pulses in an oversampled, noise-shaping signal processor |
| 05/10/2000 | CN1252914A Embedding supplemental data in an encoded signal |
| 05/09/2000 | US6061009 Apparatus and method for resetting delta-sigma modulator state variables using feedback impedance |
| 05/09/2000 | US6061008 Sigma-delta-sigma modulator for high performance analog-to-digital and digital-to-analog conversion |
| 05/04/2000 | WO2000025428A1 Delay compensation for analog-to-digital converter in sigma-delta modulators |
| 05/04/2000 | CA2347164A1 Delay compensation for analog-to-digital converter in sigma-delta modulators |
| 05/03/2000 | EP0764368B1 Oversampled high-order modulator |
| 05/02/2000 | US6058066 Enhanced register array accessible by both a system microprocessor and a wavetable audio synthesizer |
| 05/02/2000 | US6057794 Sigma-delta modulation circuit |
| 04/20/2000 | WO2000022735A1 Radio receiver |
| 04/13/2000 | WO2000021337A2 Integrated audio mixer with alternating quantization output |
| 04/13/2000 | WO2000001074A3 Receiver having integrated mixer and sigma-delta analog-to-digital conversion |
| 04/13/2000 | DE19948386A1 Reproduction apparatus, for signal processing digital audio signals composed of one-bit data, uses a signal processing unit coupled to a low-pass filter to process a signal, based on the characteristic selected |
| 04/13/2000 | CA2344890A1 Integrated audio mixer with alternating quantization output |
| 04/12/2000 | EP0993123A2 An A/D conversion apparatus and a radio apparatus |
| 04/12/2000 | CN1051422C Equipment for and method of analog-to-digital conversion and digital-to-analog conversion of voice signal |
| 04/12/2000 | CN1051415C Circuit for processing signals |
| 04/12/2000 | CN1051414C Sigma-delta modulator with improved tone rejection and method therefor |
| 04/12/2000 | CN1051385C Digital integrator with reduced circuit area and analog-to-digital converter using same |
| 04/11/2000 | US6049298 System and method for generating a linearity error correction device for an analog to digital converter |
| 04/06/2000 | WO2000019615A2 Correction of nonlinear output distortion in a delta sigma dac |
| 04/05/2000 | EP0990336A2 Video rate d/a converter with sigma-delta modulator |
| 04/05/2000 | CN1249422A Sigma-delta A/D converter |
| 04/04/2000 | US6047029 Post-filtered delta sigma for controlling a phase locked loop modulator |
| 03/29/2000 | EP0989678A2 Sigma-delta analog-to-digital converter |
| 03/29/2000 | EP0988704A1 Analogue-to-digital conversion using frequency-modulated input or intermediate values |
| 03/28/2000 | CA2138362C Method and apparatus for extending the resolution of a sigma-delta type analog to digital converter |
| 03/23/2000 | WO2000016181A1 Method and device for generating a random signal and digital-to-analog converting systems using same |
| 03/23/2000 | CA2342717A1 Method and device for generating a random signal and digital-to-analog converting systems using same |
| 03/21/2000 | US6040793 Switched-capacitor sigma-delta analog-to-digital converter with input voltage overload protection |
| 03/15/2000 | CN1247414A Digit/analog converter and reproduction device |
| 03/14/2000 | US6037887 Programmable gain for delta sigma analog-to-digital converter |
| 03/07/2000 | US6034629 Analog-to-digital conversion apparatus |
| 03/07/2000 | CA2044817C A method and device for processing an analog signal |
| 03/02/2000 | DE19938045A1 Extended common mode input range for differential delta-sigma analog to digital converter (ADC) with delta-sigma modulator for use in digital multimeter (DMM) |
| 03/01/2000 | EP0982865A2 Digital/Analog converter |
| 02/29/2000 | US6031481 Analogue and digital converters |
| 02/29/2000 | US6031475 Method and device of information transfer between circuits that exchange data via converters |
| 02/24/2000 | WO2000002318A3 Linearized multi-bit digital/analog converter and the use thereof in a multi-bit delta-sigma analog/digital converter |
| 02/24/2000 | DE19837440A1 Analogue=to=digital converter for control unit of gradient amplifier for MRI |
| 02/23/2000 | EP0981205A2 Delta-sigma modulator with improved full-scale accuracy |
| 02/22/2000 | US6028544 Digital-to-analog converter with noiseshaping modulator, commutator and plurality of unit converters, and method |
| 02/22/2000 | US6028541 Lossless data compression with low complexity |
| 02/17/2000 | WO2000008765A2 Delta-sigma a/d converter |
| 02/17/2000 | WO2000008764A1 Digital reception with radio frequency sampling |
| 02/17/2000 | CA2339798A1 Digital reception with radio frequency sampling |
| 02/16/2000 | CN1244748A Sigma-delta modulator and method for signal digitizing |
| 02/15/2000 | CA2002359C A method of cascading two or more sigma-delta modulators and a sigma-delta modulator system |
| 02/10/2000 | WO2000007301A2 Hardware-efficient transceiver with delta-sigma digital-to-analog converter |
| 02/09/2000 | EP0978165A1 Delta-sigma pwm dac for reduced switching |
| 02/08/2000 | US6023184 Converter providing digital scaling and mixing |
| 02/01/2000 | US6020838 System and method for generating a sigma-delta correction circuit using matrix calculation of linearity error correction coefficients |
| 02/01/2000 | US6020836 Sigma-delta analogue-to-digital conversion circuits |
| 01/26/2000 | EP0974194A1 Capacitor array having user-adjustable, manufacturer-trimmable capacitance and method |
| 01/25/2000 | US6018262 CMOS differential amplifier for a delta sigma modulator applicable for an analog-to-digital converter |
| 01/20/2000 | WO1999056446A3 Video rate d/a converter with sigma-delta modulator |
| 01/20/2000 | DE19831369A1 Delta-Sigma modulator structure for bandpass analog to digital signal converter |
| 01/18/2000 | US6016114 Apparatus and method of fabricating mixed signal interface in GSM wireless application |
| 01/18/2000 | US6016112 System and method for reducing errors in an analog to digital converter |
| 01/17/2000 | CA2277619A1 A frequency translating sigma-delta modulator |
| 01/13/2000 | WO2000002318A2 Linearized multi-bit digital/analog converter and the use thereof in a multi-bit delta-sigma analog/digital converter |
| 01/12/2000 | EP0970565A2 Device for processing a digital signal |
| 01/12/2000 | CN1241326A Digital communication device and mixer |