Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 3 - Conversion of analogue values to or from differential modulation
Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070)
06/2003
06/26/2003US20030117306 Modulator
06/25/2003EP1198889B1 Clock signal generator
06/25/2003CN1112777C Signal processing method and device
06/24/2003US6584157 Receiver having integrated mixer and Sigma-Delta analog-to digital conversion
06/24/2003US6583742 Digital to analogue converter with dynamic element matching
06/24/2003US6583741 System and method for self-calibrating a multi-bit delta-sigma analog to digital (A/D) converter during operation of the A/D converter
06/24/2003US6583658 Balanced circuit arrangement
06/19/2003US20030112166 High precision, high-speed signal source
06/19/2003US20030112165 High precision, high-speed signal capture
06/19/2003US20030112163 SD-ADC with digital dither signal processing
06/12/2003US20030107508 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium
06/12/2003US20030107507 Over-sampling digital-to-analog converter with variable sampling frequencies
06/11/2003EP1317754A1 Audio signal processing with adaptive noise-shaping modulation
06/11/2003CN1423859A Digital-to-analog interface circuit having adjustable time response
06/10/2003US6577910 Digital audio signal processors
06/10/2003US6577258 Adaptive sigma-delta data converter for mobile terminals
06/10/2003US6577257 Methods and systems for digital dither
06/05/2003WO2003046888A1 Decoding method for a delta modulated signal
06/05/2003WO2003030369A3 Adaptive sigma-delta data converter for mobile terminals
06/05/2003WO2003015268A3 Analog fir-filter
06/04/2003EP1317068A1 Incremental-delta analogue to digital conversion
06/04/2003CN1110902C Switch capacitor digital-analog converter with decreased harmonic distortion
06/04/2003CN1110901C Analog/digital conversion apparatus
06/03/2003US6573850 Digital-to-analogue converter circuits
05/2003
05/27/2003US6570519 Switched-capacitor summer circuits and methods and systems using the same
05/27/2003US6570518 Multiple stage delta sigma modulator
05/27/2003US6570512 Circuit configuration for quantization of digital signals and for filtering quantization noise
05/22/2003WO2003043200A2 Time-interleaved delta sigma analog to digital modulator
05/22/2003WO2003043199A2 Optically sampled delta-sigma modulator
05/22/2003WO2003043198A2 Bandpass sigma-delta modulator with anti-resonance cancellation
05/22/2003WO2003043197A1 Sigma-delta modulation
05/21/2003EP1311935A2 Noise-shaped digital frequency synthesis
05/21/2003EP1149298B1 Automatic test equipment using sigma delta modulation to create reference levels
05/20/2003US6567027 Method and apparatus for analog to digital conversion utilizing a moving sum
05/20/2003US6567025 Multi-bit sigma-delta analog to digital converter with a variable full scale
05/15/2003US20030093448 Method and arrangement for sample-rate conversion
05/15/2003US20030091116 Time-interleaved delta sigma analog to digital modulator
05/15/2003US20030090401 DA converter and data reproducing apparatus
05/15/2003US20030090399 Bandpass sigma-delta modulator
05/15/2003US20030090277 Sensor and sigma-delta converter
05/14/2003CN1108663C Digital signal processing method and apparatus
05/13/2003US6563448 Flexible sample rate converter for multimedia digital-to-analog conversion in a wireless telephone
05/08/2003WO2003039007A1 D/a converter and output amplifying circuit
05/08/2003WO2003039006A2 Incremental-delta analogue-to-digital conversion
05/08/2003US20030085826 Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators
05/08/2003US20030085825 Modulation of an analog signal into a digital representation thereof
05/02/2003EP1021876A4 Signal processing method and device
05/01/2003WO2003036787A1 Commutation of sensorless direct-current motors
05/01/2003WO2002071621A3 Hybrid low-pass sigma-delta modulator
05/01/2003US20030081687 Three-order sigma-delta modulator
05/01/2003US20030080888 Sigma-delta (sigmadelta) analog-to-digital converter (ADC) structure incorporating a direct sampling mixer
04/2003
04/30/2003CN1107380C Digital/analog conversion apparatus
04/29/2003US6557131 Apparatus and method for automated testing of integrated analog to digital converters
04/29/2003US6556158 Residue-compensating A/D converter
04/24/2003US20030076249 Mems-based electrically isolated analog-to-digital converter
04/23/2003EP1304809A1 Digital signal encoding apparatus and method, digital signal decoding apparatus and method, and digital signal transmission system
04/23/2003EP1304808A1 Multi-rate analog-to-digital converter
04/23/2003EP1304016A2 A/d converter with integrated biasing for a microphone
04/22/2003US6552675 Electrical protection device with analog-to-digital converter of the sigma-delta type
04/17/2003WO2003032496A1 Method and arrangement for sample-rate conversion
04/17/2003US20030074193 Data processing of a bitstream signal
04/16/2003EP1186104A4 Differential pulse code modulation system
04/15/2003US6549152 1-bit digital-analog converter to convert digital information into current and voltage pulses
04/10/2003WO2003030373A1 Delta-sigma modulation apparatus and signal amplification apparatus
04/10/2003WO2003030372A1 Multi-rate analog-to-digital converter
04/10/2003WO2003030369A2 Adaptive sigma-delta data converter for mobile terminals
04/10/2003WO2003001674A3 Multi-level quantizer delta sigma modulator with current mode dem and dem decision logic
04/10/2003US20030067405 Variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator
04/10/2003US20030067404 Adaptive sigma-delta data converter for mobile terminals
04/09/2003EP1300951A2 Delta-sigma analogue/digital converter
04/08/2003US6545620 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such a converter
04/03/2003US20030063021 Delta-sigma analog to digital converter
04/01/2003US6542097 Adaptive delta modulation with step size variation responsive to sensed overload
04/01/2003US6542020 Non-linear signal correction
03/2003
03/27/2003WO2002047359A3 System to reduce distortion due to coding with a sample-by-sample quantizer
03/27/2003US20030058152 Analog/digital converter and method for controlling the same
03/27/2003US20030058146 Synchronized pulse width modulator
03/26/2003CN1406418A Application of digital processing scheme for enhanced cable television dnetwork performance
03/25/2003US6538592 Variable dynamic range analog-to-digital converter
03/25/2003US6538589 Digital ΔΣ modulator and D/A converter using the modulator
03/25/2003US6538588 Multi-sampling Σ-Δ analog-to-digital converter
03/25/2003CA2154490C Closed loop power controller
03/20/2003WO2003023970A2 Serial data interface with reduced power consumption
03/20/2003WO2002025817A9 Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation
03/20/2003US20030052806 Sigma-delta analog-to-digital converter having improved reference multiplexer
03/20/2003US20030052805 Method for converting a video signal from one of an analogue and digital form to the other of the analogue and digital form with enhanced signal to noise ratio
03/18/2003US6535845 Processing an audio bitstream signal
03/18/2003US6535153 Adaptive sigma-delta modulation with one-bit quantization
03/13/2003WO2002089316A3 Analog to digital modulator
03/12/2003CN1402238A Digital signal error compensation device and method
03/11/2003US6531973 Sigma-delta digital-to-analog converter
03/04/2003US6529150 Photonic analog to digital conversion based on temporal and spatial oversampling techniques
03/04/2003US6528403 Fabrication process of a semiconductor integrated circuit device
02/2003
02/27/2003WO2003017496A2 Multiplexed analog to digital converter
02/25/2003US6526428 Method and apparatus for determining interpolated intermediate values of a sampled signal
02/25/2003US6525682 Photonic parallel analog-to-digital converter
02/20/2003WO2003015268A2 Analog fir-filter
02/20/2003US20030034908 Rapid multiplexing analog to digital converter
02/19/2003CN1398479A Combined transmit filter and D-to-A converter
02/18/2003US6522276 System of DAC correction for a ΔΣ modulator
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