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)
11/2002
11/21/2002	US20020171574 Oversampling circuit and digital/analog converter
11/21/2002	US20020171572 Delta sigma type AD converter
11/21/2002	US20020171571 PC card and wlan system having high speed, high resolution, digital-to analog converter with off-line sigma delta conversion and storage
11/21/2002	US20020171501 Digital signal encoding apparatus and method, digital signal decoding apparatus and method, and digital signal transmission system
11/20/2002	CN1380655A Method and device for processing digital signal
11/19/2002	US6483449 Digital-analog converter comprising a third order sigma delta modulator
11/14/2002	WO2002091585A1 Multi-frequency cascade sigma-delta modulator
11/14/2002	WO2002091581A2 Method and apparatus for analog-to-digital conversion
11/13/2002	EP1257063A2 PC card and wlan system having high speed, high resolution, digital-to -analog converter with off-line sigma delta conversion and storage
11/13/2002	EP1257062A2 Base station having high speed high resolution digital-to-analog converter with off-line sigma conversion and storage
11/13/2002	EP1257061A2 Wireless user terminal and system having signal clipping circuit for switched capacitor sigma delta analog to digital converters
11/12/2002	US6480129 Methods and apparatus for correction of higher order delta sigma converters
11/12/2002	US6480041 Techniques for implementing a rough buffer for charging a sampling capacitor
11/12/2002	CA2255321C Method and device for discrete-time reactance measurement
11/07/2002	WO2002089333A1 Dynamic element matching
11/07/2002	WO2002089316A2 Analog to digital modulator
11/07/2002	US20020165631 Audio signal processing with adaptive noise-shaping modulation
11/07/2002	US20020163455 Audio signal compression
11/07/2002	US20020163454 Photonic parallel analog-to-digital converter
11/06/2002	EP1255358A2 Wireless local loop terminal and system having high speed, high resolution, digital-to-analog converter with off-line sigma delta conversion and storage
11/06/2002	EP1254518A1 Method for converting an analogous signal into a digital signal
11/06/2002	CN1093995C Fast sigma-delta modulator having controlled clock generator
11/05/2002	US6476752 Signal processing system employing two bit ternary signal
11/05/2002	US6476750 Over-sampling A/D, D/A converter
11/05/2002	US6476746 Cellular base station having a high speed, high resolution digital-to-analog converter with off-line sigma delta conversion and storage
10/2002
10/31/2002	US20020160732 Wireless user terminal and system having signal clipping circuit for switched capacitor sigma delta analog to digital converters
10/31/2002	US20020160730 Frequency synthesizer and method of low-noise frequency synthesis
10/31/2002	US20020159417 Base station having high speed, high resolution, digital-to-analog converter with off-line sigma delta conversion and storage
10/31/2002	US20020158785 Digital-t0-analog converter using different multiplicators between first and second portions of a data holding period
10/31/2002	US20020158784 Wireless local loop terminal and system having high speed, high resolution, digital-to analog converter with off-line sigma delta conversion and storage
10/31/2002	US20020158680 Non-linear signal correction
10/29/2002	US6473471 Slope drift and offset compensation in zero-if receivers
10/29/2002	US6473457 Method and apparatus for producing a pulse width modulated signal
10/29/2002	US6473019 Low capacitance, low kickback noise input stage of a multi-level quantizer with dithering and multi-threshold generation for a multi-bit sigma-delta modulator
10/29/2002	US6473018 Delta sigma analog-to-digital converter
10/29/2002	US6473017 One-bit second order sigma-delta modulator including a polynomial vector quantizer
10/24/2002	WO2002084884A1 Band-pass sigma-delta modulator and use of sigma-delta modulator for converting, detecting and producing signals
10/24/2002	WO2002084880A2 Feedback a/d- or d/a-converter with reduced current consumption
10/24/2002	US20020154047 Developing a desired output sampling rate for oversampled converters
10/24/2002	US20020154046 Ultra-wide band (20 mhz to 5 ghz) analog to digital signal processor
10/24/2002	DE10118157A1 Feedback coupled analog to digital or digital to analog converter with reduced current consumption uses reference voltages to produce desired ADC or DAC output signal level
10/24/2002	DE10115386A1 Noise-Shaping-Verfahren Noise-shaping method
10/23/2002	CN1376331A Break-before-make distortion compensation for a digital amplifier
10/22/2002	US6469650 Method and system for selecting implementation of a filter controller between a single conversion mode that ensures a fully-settled converted output and a continuous conversion mode
10/22/2002	US6469648 Digital-to analog-converting method and digital-to analog converter employing common weight generating elements
10/17/2002	US20020152249 Method and apparatus for determining interpolated intermediate values of a sampled signal
10/17/2002	US20020152084 Direct intermediate frequency sampling wavelet-based analog-to-digital and digital-to-analog converter
10/17/2002	US20020149508 Fully differential sampling circuit
10/15/2002	US6466146 Hybrid low-pass sigma-delta modulator
10/10/2002	WO2002080370A2 Oversampling in analogue-digital and digital-analogue converters
10/10/2002	US20020145551 Process for the analog/digital conversion of an analog signal within a terminal of a wireless communication system, for example a mobile telephone, and corresponding terminal
10/10/2002	US20020145550 Dither signal insertion inversely proportional to signal level in delta-sigma modulators
10/10/2002	US20020145547 Method and apparatus for analog to digital conversion utilizing a moving sum
10/10/2002	US20020145546 Method and apparatus for sample rate conversion for use in an analog to digital converter
10/09/2002	EP1248376A2 Method and apparatus for providing signal dependent dither generator for sigma-delta A/D modulator
10/09/2002	EP1248375A1 Method for the analogue-to-digital conversion of an analogue signal in a terminal of a wireless communication system, e.g. a mobile telephone, and corresponding terminal
10/09/2002	EP1248374A2 Method and apparatus for providing signal dependent dither generator for Sigma-Delta modulator
10/09/2002	CN1373932A Circuit arrangement for generating in-phase input signals for 1-bit digital-analog converter
10/08/2002	US6462690 Circuit systems and methods for multirate digital-to-analog amplifier systems
10/08/2002	US6462689 Digital to analog converter (DAC) having an adjustable dynamic range
10/08/2002	US6462687 High performance delta sigma ADC using a feedback NRZ sin DAC
10/08/2002	US6462685 Dither signal insertion inversely proportional to signal level in delta-sigma modulators
10/03/2002	WO2002078194A2 Method and apparatus for conditioning an analog signal
10/03/2002	WO2002078193A1 Noise-shaping method
10/03/2002	US20020143833 Decimation filter
10/03/2002	US20020140591 Sigma-delta A/D converter
10/03/2002	US20020140590 High performance delta sigma adc using a feedback nrz sin dac
10/03/2002	US20020140589 Hybrid multi-stage circuit
10/03/2002	US20020140588 Finite impulse response digital to analog converter with offset compensation
10/02/2002	EP1246199A2 Bipolar junction transistor charge transfer network
10/02/2002	EP1245081A2 Delta-sigma modulator for fractional-n frequency synthesis
10/01/2002	US6459743 Digital reception with radio frequency sampling
10/01/2002	US6459398 Pulse modulated digital to analog converter (DAC)
10/01/2002	US6459397 Saturation compensating analog to digital converter
09/2002
09/26/2002	DE10211374A1 Abbildung eines Delta-Sigma-Wandlerbereichs auf einen Sensorbereich Illustration of a delta-sigma converter area on a sensor region
09/25/2002	CN1371548A 采样速率变换器 Sampling rate converter
09/24/2002	US6456219 Analog-to-digital converter including two-wire interface circuit
09/24/2002	US6456218 Noise shaping in segmented mixed-signal circuitry
09/24/2002	US6456217 Digital/analog converter having delta-sigma type pulse modulation circuit
09/24/2002	US6456145 Non-linear signal correction
09/18/2002	EP0815651B1 A DELTA-SIGMA ($g(D)$g(S)) MODULATOR HAVING A DYNAMICALLY TUNABLE CONTINUOUS TIME Gm-C ARCHITECTURE
09/17/2002	US6452531 Jitter and load insensitive charge transfer
09/17/2002	US6452525 One-bit second order sigma-delta modulator including a polynomial vector quantizer
09/17/2002	US6452522 Delta Modulator
09/17/2002	US6452521 Mapping a delta-sigma converter range to a sensor range
09/12/2002	WO2002071621A2 Hybrid low-pass sigma-delta modulator
09/12/2002	WO2002071620A1 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium
09/12/2002	WO2002071618A1 Method and system for selecting between single and continuous conversion modes of a/d converter
09/12/2002	US20020126032 Method and system for selecting implementation of a filter controller between a single conversion mode that ensures a fully-settled converted output and a continuous conversion mode
09/12/2002	US20020126030 System and method for variable gain coder-decoder
09/12/2002	US20020126029 Programmable test modulator for selectively generating test signals of delta-sigma order N
09/12/2002	US20020126028 Process for compensating matching errors in analog/digital converters with cascaded structure and a corresponding converter
09/12/2002	US20020126027 System and method for encoding an input data stream by utilizing a predictive, look-ahead feature
09/11/2002	CN1369139A Hybrid bandpass and baseband delta-sigma modulator
09/10/2002	US6449569 Calibration and compensation of delta sigma ADC's and DAC's by correlating noise signals
09/10/2002	US6448918 Digital/analog converter
09/06/2002	WO2002061947A8 Arrangement for runtime compensation of a runtime difference arising through emulation of a high frequency signal
09/05/2002	US20020121994 Delta-sigma modulator system and method
09/04/2002	EP1195019A4 Direct conversion delta-sigma receiver
09/03/2002	US6445736 GSM baseband receiver arrangement using digital signal processing

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