| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 06/17/2004 | WO2003043199A3 Optically sampled delta-sigma modulator |
| 06/17/2004 | US20040113828 Quantizer for a sigma delta modulator |
| 06/17/2004 | US20040113824 Accumulator for adaptive Sigma-Delta modulation |
| 06/16/2004 | EP1254518B1 Method for converting an analogous signal into a digital signal |
| 06/15/2004 | US6750796 Low noise correlated double sampling modulation system |
| 06/15/2004 | US6750795 Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators |
| 06/10/2004 | WO2004049561A1 Pulse width-modulated noise shaper |
| 06/10/2004 | US20040108947 Delta-sigma modulators with improved noise performance |
| 06/08/2004 | US6747586 Signal processing device having a D/A converter with a reduced circuit area without sacrificing the resolution |
| 06/03/2004 | WO2004045651A1 Compounds which can be used to diagnose and monitor diseases associated with the formation of amyloid protein fibrils |
| 06/02/2004 | EP1417764A4 Density-modulated dynamic dithering circuits and method for delta-sigma converter |
| 06/01/2004 | US6744394 High precision analog to digital converter |
| 06/01/2004 | US6744392 Noise shapers with shared and independent filters and multiple quantizers and data converters and methods using the same |
| 05/27/2004 | WO2004030223A3 Full bridge integral noise shaping for quantization of pulse width modulation signals |
| 05/27/2004 | WO2004028000A3 Complex-if digital receiver |
| 05/27/2004 | US20040100461 Imager output signal processing |
| 05/26/2004 | EP1421697A2 Method and apparatus for controlling stages of a multi-stage circuit |
| 05/26/2004 | EP1421688A2 Analog fir-filter |
| 05/25/2004 | US6741197 Digital-to-analog converter (DAC) output stage |
| 05/25/2004 | US6741196 Method and apparatus for a high-drive current digital-to-analog converter |
| 05/25/2004 | CA2262209C Method and apparatus for minimizing mismatch in a complex filter |
| 05/21/2004 | WO2004042932A2 Converter, circuit and method for compensation of non-idealities in continuous time sigma delta converters |
| 05/19/2004 | EP1046233B1 Radio receiver |
| 05/18/2004 | US6738004 Method and system of integrating a mismatch noise shaper into the main loop of a delta-sigma modulator |
| 05/18/2004 | US6738003 Delta-sigma modulation circuits and methods utilizing multiple noise attenuation bands and data converters using the same |
| 05/18/2004 | US6738002 SD-ADC with digital dither signal processing |
| 05/18/2004 | US6737999 Mismatch-shaping for a quadrature digital-to-analog converter |
| 05/13/2004 | WO2004040770A1 Digital signal processing device and audio signal reproduction device |
| 05/13/2004 | US20040092240 Phase detection circuit and receiver |
| 05/13/2004 | US20040090355 Circuits and methods for a variable over sample ratio delta-sigma analog-to-digital converter |
| 05/12/2004 | EP1418674A1 Converter, circuit and method for compensation of non-idealities in continuous time sigma delta converters |
| 05/12/2004 | EP1418667A1 Multi-level class-D amplifier by means of 3 physical levels |
| 05/12/2004 | EP1417860A2 Method and apparatus for minimizing latency in digital signal processing systems |
| 05/12/2004 | EP1417765A2 Multiplexed analog to digital converter |
| 05/12/2004 | EP1417764A1 Density-modulated dynamic dithering circuits and method for delta-sigma converter |
| 05/12/2004 | CN1149740C Digit/analog converter and reproducition device |
| 05/11/2004 | US6735014 Aberration correcting optical relay for optical system, in particular mirror telescope |
| 05/11/2004 | US6734816 D/A converter with high jitter resistance |
| 05/11/2004 | US6734814 Modulator |
| 05/06/2004 | WO2004039021A1 Time encoding and decoding of a signal |
| 05/06/2004 | EP0951649B1 High dynamic range digital fluxgate magnetometer |
| 05/06/2004 | DE10247133A1 Gesteuerte Stromquelle, insbesondere für Digital-Analog-Umsetzer in zeitkontinuierlichen Sigma-Delta-Modulatoren Controlled current source, in particular for digital-to-analog converter in time-continuous Sigma-Delta modulators |
| 05/04/2004 | CA2126525C Signal processing circuit including a variable gain input stage |
| 04/29/2004 | US20040081244 Approximation sequence processing |
| 04/28/2004 | EP1157494B1 Frequency-shaped pseudo-random chopper stabilization circuit and method for delta-sigma modulator |
| 04/28/2004 | CN1493136A Phase detection circuit and receiver |
| 04/27/2004 | US6727833 Adaptive ΣΔ modulation with one-bit quantization |
| 04/27/2004 | US6727832 Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same |
| 04/22/2004 | WO2004034588A1 Controlled power source, in particular for a digital/analogue converter in continuous time sigma/delta modulators |
| 04/22/2004 | WO2004004131A3 Circuit arrangement and method for sigma-delta conversion with reduced idle tones |
| 04/21/2004 | EP1411639A2 A Sigma-Delta (SD) Analog-To-Digital Converter (ADC) structure incorporating a direct sampling mixer |
| 04/21/2004 | EP1410512A4 Method and apparatus for oscillation recovery in a delta-sigma a/d converter |
| 04/21/2004 | EP1410512A1 Method and apparatus for oscillation recovery in a delta-sigma a/d converter |
| 04/20/2004 | US6724332 Noise shaping circuits and methods with feedback steering overload compensation and systems using the same |
| 04/20/2004 | US6724249 Multi-level class-D amplifier by means of 3 physical levels |
| 04/15/2004 | WO2004032333A1 Noise shaping circuits and methods with feedback steering overload compensation and systems using the same |
| 04/15/2004 | WO2003043200A3 Time-interleaved delta sigma analog to digital modulator |
| 04/15/2004 | WO2002047359B1 System to reduce distortion due to coding with a sample-by-sample quantizer |
| 04/15/2004 | US20040071238 Apparatus for reducing dc offset in a receiver |
| 04/15/2004 | US20040070528 Filtering applicable to digital to analog converter systems |
| 04/14/2004 | EP1407589A1 Receiver with improved digital intermediate to base band demodulator |
| 04/14/2004 | EP1407554A1 Bandpass sigma-delta analog-to-digital converter and mash sigma-delta converter incorporating same |
| 04/14/2004 | EP1407553A2 Method and arrangement for synchronizing a sigma-delta-modulator |
| 04/14/2004 | EP1142127B1 Circuits, systems and methods for processing data in a one-bit format |
| 04/14/2004 | CN1146114C Switched current delta-sigma modulator |
| 04/08/2004 | WO2004030223A2 Full bridge integral noise shaping for quantization of pulse width modulation signals |
| 04/08/2004 | WO2004030222A1 Method and apparatus for shared processing a plurality of signals |
| 04/08/2004 | WO2004030221A1 Sigma-delta modulation |
| 04/08/2004 | WO2004030220A1 Time-interleaved band-pass delta-sigma modulator |
| 04/08/2004 | WO2004030211A2 Circuit configuration for averaging |
| 04/08/2004 | WO2002071618A9 Method and system for selecting between single and continuous conversion modes of a/d converter |
| 04/08/2004 | US20040066803 Method and apparatus for shared processing a plurality of signals |
| 04/08/2004 | US20040066321 Methods and systems for high speed quantizers |
| 04/08/2004 | US20040066228 Class-D amplifier with digital feedback |
| 04/08/2004 | DE19938802B4 Verfahren und Schaltungsanorndung zur Interpolation Circuit arrangement and method for interpolation |
| 04/08/2004 | DE10243564A1 Schaltungsanordnung zur Mittelwertbildung A circuit arrangement for averaging |
| 04/07/2004 | EP1406381A1 Class-D amplifier with digital feedback |
| 04/07/2004 | EP1405412A1 Fractional decimation filter using oversampled data |
| 04/06/2004 | US6717538 DA converter and data reproducing apparatus |
| 04/06/2004 | US6717537 Method and apparatus for minimizing latency in digital signal processing systems |
| 04/01/2004 | WO2004028000A2 Complex-if digital receiver |
| 04/01/2004 | US20040062303 Full bridge integral noise shaping for quantization of pulse width modulation signals |
| 04/01/2004 | US20040061635 Stepwise zero-data-detection mute circuit |
| 04/01/2004 | US20040061634 D/a converter with high jitter resistance |
| 04/01/2004 | DE60002827T2 Automatische testeinrichtung mit sigma-delta modulation zur erzeugung von referenzpegeln Automatic test device with sigma-delta modulation for the generation of reference pressure levels |
| 03/31/2004 | EP1402647A2 Multi-bit sigma-delta analog to digital converter with a variable full scale |
| 03/30/2004 | CA2107799C Analogue and digital convertors |
| 03/25/2004 | WO2004025837A1 Multi-bit continuous time sigma-delta adc |
| 03/25/2004 | WO2004025398A2 Sigma-delta adc |
| 03/25/2004 | WO2002101931A3 Pipeline ad converter |
| 03/25/2004 | US20040057534 Complex-if digital receiver |
| 03/24/2004 | EP1401105A1 Voltage offset compensation method for time-interleaved multi-path analog-to-digital sigma-delta converters and respective circuit |
| 03/24/2004 | EP1400021A2 Method and apparatus for delta modulator and sigma delta modulator |
| 03/24/2004 | EP1400017A2 A multi-level quantizer with current mode dem switch matrices and separate dem decision logic for a multibit sigma delta modulator |
| 03/24/2004 | CN1484466A Variable-order 'delta-sigma' mudulator and DA converter |
| 03/24/2004 | CN1143437C Variable order SIGMA-DELTA modulator and IC for receiver having same |
| 03/23/2004 | US6710729 Idle channel tone and periodic noise suppression for sigma-delta modulator using feedback-quantizer |
| 03/23/2004 | US6710728 Delta-sigma analog to digital converter |
| 03/18/2004 | WO2004023661A1 Signal processing device, signal processing method, delta-sigma modulation type fractional division pll frequency synthesizer, radio communication device, delta-sigma modulation type d/a converter |
| 03/18/2004 | WO2004023658A1 Configuration for the digital-analog conversion of a high-frequency digital input signal into a carrier-frequency analog output signal |