| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 09/03/2002 | US6445331 Apparatus and method for common-mode regulation in a switched capacitor circuit |
| 09/03/2002 | US6445321 Hybrid low-pass sigma-delta modulator |
| 09/03/2002 | US6445320 A/D conversion apparatus |
| 09/03/2002 | US6445318 Method and apparatus for providing signal dependent dither generator for sigma-delta modulator |
| 08/29/2002 | WO2002067522A1 Phase detection circuit and receiver |
| 08/29/2002 | US20020118128 Parallel time interleaved delta sigma modulator |
| 08/29/2002 | DE19935666C2 Analog-Digital-Wandler für ein Signal im Gigahertz-Bereich, Millimeterwellenempfänger und Bandpaßfilter für Millimeterwellen Analog-to-digital converter for a signal in the gigahertz range, the millimeter wave receiver and millimeter wave bandpass filter |
| 08/29/2002 | DE10103812A1 Anordnung zum Laufzeitausgleich einer durch eine Nachbildung eines Hochfrequenzsignals auftretenden Laufzeitdifferenz Arrangement for time alignment maturity difference arising through emulation of a high-frequency signal |
| 08/29/2002 | DE10103811A1 Sigma-Delta-Modulator zur Digitalisierung von analogen Hochfrequenzsignalen Sigma-delta modulator for digitizing analogue high-frequency signals |
| 08/27/2002 | US6441761 High speed, high resolution digital-to-analog converter with off-line sigma delta conversion and storage |
| 08/27/2002 | US6441760 Method and apparatus for digital to analog conversion |
| 08/27/2002 | US6441759 Multi-bit ΔΣ modulator having linear output |
| 08/22/2002 | WO2002065644A2 Hybrid multi-stage circuit utilizing different types of sampling circuit |
| 08/22/2002 | US20020114414 Digital signal processing apparatus |
| 08/22/2002 | US20020113658 Frequency synthesizer and low-noise frequency synthesizing method |
| 08/21/2002 | EP1232587A1 Method and apparatus for generating an rf signal |
| 08/20/2002 | US6437719 Delta-sigma modulator for power amplification of audio signals |
| 08/20/2002 | US6437718 Continuous time delta-sigma modulator |
| 08/15/2002 | WO2002063773A2 Multi-bit sigma-delta analog to digital converter with a variablefull scale |
| 08/14/2002 | EP1230600A1 Method and apparatus for producing signal processing circuits in the delta sigma domain |
| 08/14/2002 | EP1129523B1 Circuit configuration for quantisation of digital signals and for filtering quantisation noise |
| 08/14/2002 | CN1364340A 时钟信号发生器 Clock signal generator |
| 08/13/2002 | US6433726 Fractional decimation filter using oversampled data |
| 08/13/2002 | US6433712 Offset error compensation of input signals in analog-to-digital converter |
| 08/08/2002 | WO2002061950A2 Sigma-delta modulator for digitizing analog high frequency signals |
| 08/08/2002 | WO2002061947A1 Arrangement for runtime compensation of a runtime difference arising through emulation of a high frequency signal |
| 08/08/2002 | US20020106028 System to reduce distortion due to coding with a sample-by-sample quantizer |
| 08/08/2002 | US20020105451 Reconfigurable analog-to-digital converter |
| 08/08/2002 | US20020105450 Mixed signal processing unit with improved distortion and noise characteristics |
| 08/08/2002 | US20020105449 Multi-bit sigma-delta analog to digital converter with a variable full scale |
| 08/07/2002 | EP1012983A4 Delta sigma analog-to-digital converter |
| 08/06/2002 | US6430220 Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation |
| 08/06/2002 | US6429798 Combined transmit filter and D-to-A converter |
| 08/01/2002 | US20020101370 Method and device of information transfer between circuits that exchange data via converters |
| 07/31/2002 | EP1227595A2 System and method for encoding an input data stream by utilizing a predictive, look-ahead feature |
| 07/31/2002 | EP1227594A1 Sigma-delta-modulator for the digitisation of analogue high frequency signals |
| 07/31/2002 | EP1227593A1 Arrangement for compensating the propagation delay caused by the reproduction of a high frequency signal |
| 07/30/2002 | US6427158 FIR decimation filter and method |
| 07/30/2002 | US6426934 One-bit data reproducing system having controllable low pass filter characteristics |
| 07/30/2002 | US6426714 Multi-level quantizer with current mode DEM switch matrices and separate DEM decision logic for a multibit sigma delta modulator |
| 07/30/2002 | US6426713 Independent control of calibration registers in a multi channel A-D converter |
| 07/25/2002 | WO2001065732A3 Application of digital processing scheme for enhanced cable television network performance |
| 07/25/2002 | US20020097175 Digital to analog converter (dac) having an adjustable dynamic range |
| 07/25/2002 | US20020097085 High efficiency power amplifier systems and methods |
| 07/24/2002 | EP1225700A2 Delta-sigma modulator system and method |
| 07/24/2002 | CN1360759A Sigma-Delta modulator |
| 07/23/2002 | US6424280 Signal clipping circuit for switched capacitor sigma delta analog to digital converters |
| 07/23/2002 | US6424279 Sigma-delta analog-to-digital converter using mixed-mode integrator |
| 07/23/2002 | US6424278 Finite impulse response digital to analog converter with offset compensation |
| 07/18/2002 | WO2002056477A2 Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators |
| 07/18/2002 | WO2002017050A3 Noise-shaped digital frequency synthesis |
| 07/18/2002 | US20020093442 Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators |
| 07/18/2002 | US20020093441 Sigma-delta analog-to-digital converter array |
| 07/16/2002 | US6420987 Hysteresis in an oversampled data conveter |
| 07/10/2002 | CN1087550C Receiver with sigma-delta analog-to-digital conversion for digital signals buried in TV signals |
| 07/04/2002 | WO2002023733A3 Sigma-delta digital-to-analog converter |
| 07/04/2002 | US20020084924 Method and circuit for improving the signal/noise ratio of a sigma-delta modulator |
| 07/03/2002 | EP1219033A2 Circuit arrangement for generating in-phase input signals for a 1-bit digital-analog converter |
| 07/03/2002 | EP1138120B1 Analog-digital converter |
| 07/02/2002 | US6414615 Excess delay compensation in a delta sigma modulator analog-to-digital converter |
| 07/02/2002 | US6414614 Power output stage compensation for digital output amplifiers |
| 07/02/2002 | US6414613 Apparatus for noise shaping a pulse width modulation (PWM) signal and method therefor |
| 06/27/2002 | US20020080053 Sigma-delta digital-to-analog converter |
| 06/26/2002 | EP1217746A1 A process for compensating matching errors in analog/digital converters of cascaded structure and a corresponding converter |
| 06/25/2002 | US6411242 Oversampling analog-to-digital converter with improved DC offset performance |
| 06/25/2002 | US6411232 Method and system for determining an element conversion characteristic contemporaneous with converting and input signal in a signal converter |
| 06/25/2002 | US6411225 Sample rate converter |
| 06/20/2002 | WO2002048904A1 Fir decimation filter and method |
| 06/20/2002 | WO2000051240A9 Methods and apparatus for correction of higher order delta sigma convertors |
| 06/20/2002 | US20020078114 Fir decimation filter and method |
| 06/18/2002 | US6407689 Method and apparatus for controlling stages of a multi-stage circuit |
| 06/13/2002 | WO2002047359A2 System to reduce distortion due to coding with a sample-by-sample quantizer |
| 06/13/2002 | WO2002047296A1 Analog filter |
| 06/13/2002 | US20020071578 A/D converter with integrated biasing for a microphone |
| 06/13/2002 | US20020071506 Slope drift and offset compensation in zero-if receivers |
| 06/12/2002 | EP1212838A1 Hybrid bandpass and baseband delta-sigma modulator |
| 06/12/2002 | EP1212837A2 Sigma-delta modulator |
| 06/12/2002 | EP1157494A4 Frequency-shaped pseudo-random chopper stabilization circuit and method for delta-sigma modulator |
| 06/12/2002 | CN1353847A Method and device for determining interpolated intermediate values of sampled signal |
| 06/11/2002 | US6404369 Digital to analog converter employing sigma-delta loop and feedback DAC model |
| 06/11/2002 | US6404368 Analog and digital ΔΣ modulator |
| 06/11/2002 | US6404367 Sigma-delta modulator with improved gain accuracy |
| 06/11/2002 | US6404357 Digital/analogue communication system for increasing transfer efficiency of digital sample data |
| 06/06/2002 | US20020067770 Sigma delta modulator with SAW filter |
| 06/05/2002 | EP1210773A2 Analog-to-digital converter for a signal in the gigahertz range, millimetric wave receivers and bandpass filter for millimetric waves |
| 06/04/2002 | US6400297 Method and system for operating two or more integrators with different power supplies for an analog-to-digital delta-sigma modulator |
| 06/04/2002 | US6400296 Robust continuous variable slope delta demodulation |
| 06/04/2002 | US6400295 Transducer interface arrangement including a sigma-delta modulator with offset correction and with gain setting |
| 06/04/2002 | US6400294 Method of muting a digital signal and a digital signal recording apparatus and a digital signal processing apparatus employing the digital signal muting method |
| 05/30/2002 | WO2002043249A1 Robust continuous variable slope delta demodulation |
| 05/30/2002 | WO2002043247A1 Method and system for adjusting the step clock of a delta-sigma transformer and/or switched capacitor filter |
| 05/30/2002 | US20020063650 Switch capacitor circuit and applications thereof |
| 05/30/2002 | US20020063649 High speed, high resolution digital-to analog converter with off-line sigma delta conversion and storage |
| 05/30/2002 | US20020063645 Cellular base station having a high speed, high resolution digital-to-analog converter with off-line sigma delta conversion and storage |
| 05/28/2002 | US6396428 Continuous time bandpass delta sigma modulator ADC architecture with feedforward signal compensation |
| 05/28/2002 | US6396313 Noise-shaped digital frequency synthesis |
| 05/28/2002 | CA2273869C High dynamic range digital fluxgate magnetometer |
| 05/22/2002 | CN1350722A Nested modulator arrangement |
| 05/21/2002 | US6393070 Digital communication device and a mixer |
| 05/16/2002 | US20020057214 Methods and systems for digital dither |