| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 03/18/2004 | WO2004013972A3 Noise shapers with shared and independent filters and multiple quantizers and data converters |
| 03/18/2004 | US20040052310 Digital signal processing device and digital signal processing method |
| 03/18/2004 | US20040051654 D/A converter and output amplifying circuit |
| 03/17/2004 | EP1397772A1 A variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator |
| 03/17/2004 | EP0998795A4 Method and apparatus for performance improvement by qualifying pulses in an oversampled, noise-shaping signal processor |
| 03/16/2004 | US6707409 Sigma-delta analog to digital converter architecture based upon modulator design employing mirrored integrator |
| 03/16/2004 | US6707407 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 |
| 03/16/2004 | US6707402 Method for converting an analog signal to a digital signal |
| 03/11/2004 | WO2003003789A3 Method and apparatus for minimizing latency in digital signal processing systems |
| 03/11/2004 | US20040049373 Arrangement for runtime compensation of a runtime difference arising through emulation of a high frequency signal |
| 03/11/2004 | US20040046680 Delta-sigma modulation apparatus and signal amplification apparatus |
| 03/09/2004 | US6703958 Analog-to-digital converter |
| 03/09/2004 | US6703957 Digital-to-analog converter |
| 03/09/2004 | US6703901 Frequency synthesizer and low-noise frequency synthesizing method |
| 03/04/2004 | US20040041719 Mismatch-shaping for a quadrature digital-to-analog converter |
| 03/04/2004 | US20040041665 Continuous-time integrating filter with minimum phase variation, and bandpass sigma delta modulator using such a filter |
| 03/04/2004 | DE10238028A1 Verfahren und Vorrichtung zur Analog-Digital-Wandlung Method and apparatus for analog-to-digital conversion |
| 03/04/2004 | DE10237856A1 Arrangement for digital/analogue conversion of high frequency digital input signal into carrier frequency analogue output signal consists of parallel D/A converters, to each of which is allocated a specific coefficient |
| 03/03/2004 | EP1394950A2 Quantiser for a sigma-delta modulator and sigma-delta modulator |
| 03/03/2004 | EP1393449A2 Digital-analog converter |
| 03/03/2004 | EP1393448A2 Method and apparatus for analog-to-digital conversion |
| 03/02/2004 | US6701297 Direct intermediate frequency sampling wavelet-based analog-to-digital and digital-to-analog converter |
| 03/02/2004 | US6700521 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium |
| 03/02/2004 | US6700520 Multi-bit continuous time sigma-delta ADC |
| 03/02/2004 | US6700519 Delta sigma type AD converter |
| 03/02/2004 | US6700518 Digital switching amplifier |
| 02/26/2004 | WO2004017522A1 Method and system of integrating a mismatch noise shaper into the main loop of a delta-sigma modulator |
| 02/26/2004 | WO2003043198A3 Bandpass sigma-delta modulator with anti-resonance cancellation |
| 02/26/2004 | WO2002056477A3 Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators |
| 02/26/2004 | WO2002017495A3 Multiple mode analog-to-digital converter employing a single quantizer |
| 02/26/2004 | US20040037386 Method and system for adjusting the step clock of a delta-sigma transformer and/or switched capacitor filter |
| 02/26/2004 | US20040036641 Procedure and device for analog-to-digital conversion |
| 02/26/2004 | US20040036640 Variable-order delta sigma modulator and DA converter |
| 02/26/2004 | US20040036636 Tone-free dithering methods for sigma-delta DAC |
| 02/26/2004 | US20040036509 Frequency synthesizer |
| 02/25/2004 | EP1392002A1 Power line communication system |
| 02/25/2004 | EP1391993A2 Method and arrangement for analogue-to-digital conversion |
| 02/25/2004 | EP1391992A1 Circuit for converting a highfrequency input signal to an analog carrier frequency modulated signal |
| 02/25/2004 | EP1391039A1 Dynamic element matching |
| 02/25/2004 | CN1140057C Selection circuit, D/A converter and A/D converter |
| 02/24/2004 | US6697688 Audio information processing system |
| 02/24/2004 | US6697438 Circuit configuration for a multistandard communications terminal |
| 02/24/2004 | US6697001 Continuous-time sigma-delta modulator with discrete time common-mode feedback |
| 02/24/2004 | US6697000 Delta-sigma modulator with feed-forward path |
| 02/24/2004 | US6696999 Sigma delta modulator |
| 02/24/2004 | US6696998 Apparatus for generating at least one digital output signal representative of an analog signal |
| 02/24/2004 | US6696843 Device and method for ultrasonic measurement of a fluid flow rate comprising a sigma-delta band pass analog-to-digital converter |
| 02/19/2004 | WO2004015872A1 Digital signal processing device and digital signal processing method |
| 02/19/2004 | WO2002037686A3 Method and apparatus for controlling stages of a multi-stage circuit |
| 02/19/2004 | US20040034499 High-speed high-resolution ADC for precision measurements |
| 02/19/2004 | US20040032355 Method and system of integrating a mismatch noise shaper into the main loop of a delta-sigma modulator |
| 02/18/2004 | CN1476672A Delta-Sigma modulation apparatus and signal amplication apparatus |
| 02/17/2004 | US6693574 D/A converter and delta-sigma D/A converter |
| 02/17/2004 | US6693573 Mixed technology MEMS/BiCMOS LC bandpass sigma-delta for direct RF sampling |
| 02/17/2004 | US6693572 Digital tuning scheme for continuous-time sigma delta modulation |
| 02/17/2004 | CA2277756C Flexible and programmable delta-sigma analog signal converter |
| 02/12/2004 | WO2004013972A2 Noise shapers with shared and independent filters and multiple quantizers and data converters |
| 02/11/2004 | CN1138348C Digital circuit, transceiver with said digital circuit and method for transmitting and receiving signal |
| 02/11/2004 | CN1138345C Digital reception device and method with radio frequency sampling |
| 02/10/2004 | US6690748 Receiver with improved digital intermediate to base band demodulator |
| 02/10/2004 | US6690310 Method and apparatus for adaptively compensating for an inaccuracy in an analog-to-digital converter |
| 02/05/2004 | US20040021594 Noise shapers with shared and independent filters and multiple quantizers and data converters and methods using the same |
| 02/05/2004 | DE10233392A1 Analog digital modulator has converter to evaluate error signals and adder to add quantized and error signals |
| 02/04/2004 | EP1183841B1 Compensation of mismatch in quadrature devices |
| 02/03/2004 | US6686860 Reconfigurable analog-to-digital converter |
| 01/29/2004 | WO2004010587A1 Signal processing device, non-integer divider, and fractional n-pll synthesizer using the same |
| 01/29/2004 | WO2003077529A8 Coder apparatus for resonant power conversion and method |
| 01/29/2004 | US20040017923 Audio signal processors |
| 01/29/2004 | US20040017854 Method and circuit for stop of signals quantized using noise-shaping |
| 01/28/2004 | EP1385268A1 Digital-to-analog converter |
| 01/28/2004 | EP1384327A2 Method and system for operating two or more integrators with different power supplies for an analog-to-digital delta-sigma modulator |
| 01/28/2004 | CN1471328A Error feedback type high-order modulator realised by using CSD method |
| 01/27/2004 | US6683927 Digital data reproducing apparatus and method, digital data transmitting apparatus and method, and storage media therefor |
| 01/27/2004 | US6683550 High precision, high-speed signal capture |
| 01/22/2004 | WO2004008643A1 Sigma delta modulator |
| 01/22/2004 | WO2003052939A3 Sigma delta a/d converter with firdac converter |
| 01/22/2004 | WO2002063773A3 Multi-bit sigma-delta analog to digital converter with a variablefull scale |
| 01/22/2004 | US20040012514 Sigma delta modulator |
| 01/21/2004 | EP1382124A1 Band-pass sigma-delta modulator and use of sigma-delta modulator for converting, detecting and producing signals |
| 01/21/2004 | CN1470105A Multi-sampling SIGMA-DElTA analog-to-digital converter |
| 01/21/2004 | CN1135706C Cascade sigma-Delta modulator |
| 01/21/2004 | CN1135705C Video frequency rate digital/analog converter with total incremental modulator |
| 01/20/2004 | US6680682 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 |
| 01/20/2004 | US6680680 Process and device for converting an analog signal into a digital signal with automatic gain control |
| 01/15/2004 | WO2004006440A1 Delta-sigma modulation circuits and methods utilizing multiple noise attenuation bands and data converters using the same |
| 01/15/2004 | WO2004006439A1 Multi-bit delta-sigma analog-to-digital converter with error shaping |
| 01/15/2004 | DE10228942A1 Verfahren und Schaltungsanordnung zur Sigma-Delta-Wandlung mit reduzierten Leerlauftönen Method and circuit arrangement for sigma-delta conversion with reduced idle tones |
| 01/14/2004 | EP1380114A2 Hybrid multi-stage circuit utilizing different types of sampling circuit |
| 01/14/2004 | CN1468376A Rf power measurement |
| 01/14/2004 | CN1134902C Circuit for multi-standard communications terminal |
| 01/13/2004 | US6677876 Differential sigma-delta DAC with dynamic spectral shaping |
| 01/13/2004 | US6677875 Sigma-delta analog-to-digital converter and method |
| 01/08/2004 | WO2004004131A2 Circuit arrangement and method for sigma-delta conversion with reduced idle tones |
| 01/08/2004 | WO2004004120A2 Filtering applicable to digital to analog converter systems |
| 01/08/2004 | WO2003058820A3 Method for interpolating at least two position-dependent, periodic analog signals that are dephased relative each other |
| 01/08/2004 | US20040004565 Delta-sigma modulation circuits and methods utilizing multiple noise attenuation bands and data converters using the same |
| 01/07/2004 | EP1378062A2 Feedback a/d- or d/a-converter with reduced current consumption |
| 01/06/2004 | US6674381 Methods and apparatus for tone reduction in sigma delta modulators |
| 01/02/2004 | EP1376876A2 Wireless user terminal and system having high speed, high resolution, digital-to-analog converter with off-line sigma delta conversion and storage |
| 01/02/2004 | EP1376875A2 Digital signal conversion apparatus and method, and computer-readable recording medium in which a digital signal conversion program is recorded |