| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 01/27/2005 | WO2005008906A2 Multiplexed-input-separated sigma-delta analog-to-digital converter design for pixel-level analog-to-digital conversion |
| 01/27/2005 | US20050018089 Digital display apparatus supporting error compensation and method thereof |
| 01/27/2005 | US20050017887 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 |
| 01/27/2005 | DE10354459A1 Analog digital (A/D) converter module for improving signal-noise ratio at higher input level, comprising sigma-delta converter with auxiliary output for signal derived from quanatising fault of converter |
| 01/25/2005 | US6847920 Approximation sequence processing |
| 01/20/2005 | US20050012649 Sigma-delta modulator with reduced switching rate for use in class-D amplification |
| 01/20/2005 | US20050011596 Alloy containing titanium, niobium, molybdenum, aluminum, germanium, gallium and indium; hot working; cold working |
| 01/20/2005 | DE10327621A1 Schaltungsanordnung und Verfahren zur Reduzierung eines Anpassungsfehlers in einem Sigma-Delta-Modulator Circuit arrangement and method for reducing a matching error in a sigma-delta modulator |
| 01/19/2005 | EP1498803A2 Method and circuit for effective conversion of PCM into PWM data |
| 01/19/2005 | CN1568574A 数字信号处理装置和数字信号处理方法 Digital signal processing means and digital signal processing methods |
| 01/19/2005 | CN1567728A Conversion device and method for sampling frequency and uses thereof |
| 01/18/2005 | US6844838 Digital to analog converter having a low power semi-analog finite impulse response circuit |
| 01/18/2005 | US6844758 Frequency synthesizer |
| 01/13/2005 | WO2004066642A3 Signal processing system with baseband noise modulation chopper circuit timing to reduce noise |
| 01/13/2005 | US20050007472 Circuit arrangement and method for reducing an alignment error in a sigma-delta modulator |
| 01/13/2005 | US20050007267 Multi-standard sigma-delta modulator |
| 01/13/2005 | US20050007266 Sigma-delta modulator with PWM output |
| 01/12/2005 | EP1495546A1 Delta sigma modulator |
| 01/12/2005 | CN1565082A Method and arrangement for sample-rate conversion |
| 01/11/2005 | US6842486 Signal processing system with baseband noise modulation and noise fold back reduction |
| 01/11/2005 | US6842130 Hardware-efficient implementation of dynamic element matching in sigma-delta DAC's |
| 01/11/2005 | US6842129 Delta-sigma analog-to-digital converter |
| 01/11/2005 | US6842128 Higher order sigma-delta analog-to-digital converter based on finite impulse response filter |
| 01/11/2005 | US6841770 Semiconductor integrated circuit device and imaging system |
| 01/06/2005 | WO2005002059A1 An analog-to-digital-converter comprising a sigma-delta-modulator and receiver with such analog-to-digital-converter |
| 01/06/2005 | WO2004090570A3 Sensing device for sensing a physical parameter |
| 01/06/2005 | US20050001751 Cascade delta-sigma modulator |
| 01/06/2005 | US20050001749 Sigma-delta modulation |
| 01/06/2005 | US20050001748 Multi-rate analog-to-digital converter |
| 01/05/2005 | CN1561578A Adaptive sigma-delta data converter for mobile terminals |
| 01/04/2005 | US6839387 Self-dithering sigma-delta converter and communication device incorporating same |
| 01/04/2005 | US6839016 Pipeline ad converter |
| 01/04/2005 | US6839012 Variable-order delta sigma modulator and DA converter |
| 01/04/2005 | US6839011 System and method of filtering in an integration system |
| 01/04/2005 | US6839010 Sigma-delta analog-to-digital converter with reduced quantization noise |
| 12/30/2004 | US20040264547 Digital frequency synthesis |
| 12/30/2004 | US20040263370 Incremental-delta analogue-to-digital conversion |
| 12/30/2004 | US20040263369 Oversampling in analog/digital and digital/analog converters |
| 12/30/2004 | US20040263365 Look-up table delta-sigma conversion |
| 12/29/2004 | WO2004093324A8 Sigma-delta modulator |
| 12/29/2004 | EP1492239A1 Look-up table delta-sigma conversion |
| 12/29/2004 | EP1492238A2 Digital signal generating circuitry |
| 12/29/2004 | EP1492237A2 Noise shaping in segmented mixed-signal circuitry |
| 12/29/2004 | EP1491984A1 Digital frequency synthesiser |
| 12/29/2004 | EP1322969B1 Rf power measurement |
| 12/29/2004 | CN1182370C Method for eliminating low-frequency noise and related CMOS testing circuit |
| 12/28/2004 | US6836228 Analog-to-digital converter with switched integrator |
| 12/23/2004 | WO2004112298A2 Multichannel time encoding and decoding of a signal |
| 12/23/2004 | US20040257091 Fast, high-resolution, indirect measurement of a physical value |
| 12/22/2004 | EP1489748A1 Extended range digital-to-analog conversion |
| 12/22/2004 | EP1489430A1 Sigma-delta modulator with pulse width modulation output |
| 12/22/2004 | EP1488525A1 A system and method for adaptive sigma-delta modulation |
| 12/22/2004 | EP1488515A1 Asynchronous sampling rate conversion |
| 12/22/2004 | EP1488336A2 Coder apparatus for resonant power conversion and method |
| 12/22/2004 | CN1556588A Realizing method of space hour continuous phase modulating coder |
| 12/16/2004 | US20040252038 Conversion employing delta-sigma modulation |
| 12/15/2004 | EP1487111A1 Conversion employing delta-sigma modulation |
| 12/14/2004 | US6831581 Digital-to-analog converter arrangement with an array of unary digital-to-analog converting elements usable for different signal types |
| 12/14/2004 | US6831577 Sigma delta modulator having enlarged dynamic range due to stabilized signal swing |
| 12/09/2004 | WO2004107584A1 Method for resampling at transmission and reception of a digital signal with digital band translation |
| 12/09/2004 | WO2004107583A1 Digital to analog converter having a low power semi-analog finite impulse response circuit |
| 12/09/2004 | WO2004107076A1 Floating-gate reference circuit |
| 12/09/2004 | CA2527649A1 Method for resampling at transmission and reception of a digital signal with digital band translation |
| 12/08/2004 | EP1483834A1 Delta-sigma modulator with feed-forward path |
| 12/08/2004 | EP1483829A2 Frequency-down-converter using sigma-delta modulators |
| 12/08/2004 | CN1553579A Delta sigma regulating device |
| 12/08/2004 | CN1179348C Data processing of Bitstream signal |
| 12/07/2004 | CA2166172C Delta sigma analog-to-digital converter with temporally interleaved architecture |
| 12/02/2004 | WO2004105251A1 A sigma-delta modulator with reduced switching rate for use in class-d amplification |
| 12/02/2004 | US20040240278 Floating-gate reference circuit |
| 12/02/2004 | US20040239543 Digital-to-analog converter arrangement with an array of unary digital-to-analog converting elements usable for different signal types |
| 12/02/2004 | US20040239542 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 12/02/2004 | US20040239541 Bandpass sigma-delta modulator |
| 12/02/2004 | US20040239538 Digital signal processing device and digital signal processing method |
| 12/02/2004 | US20040239537 Method and system for processing a digital signal |
| 12/02/2004 | CA2526261A1 Method and apparatus for extending band of audio signal using higher harmonic wave generator |
| 12/01/2004 | EP1481568A2 Digital microphone |
| 12/01/2004 | EP1481479A1 Method and device for reducing a dataset consisting of process data to be transmitted |
| 12/01/2004 | CN1178401C Receiver with sigma-delta analog-digital converter |
| 11/30/2004 | US6825785 Digital expander apparatus and method for generating multiple analog control signals particularly useful for controlling a sub-varactor array of a voltage controlled oscillator |
| 11/30/2004 | US6825784 Dithering method for sigma-delta analog-to-digital converters |
| 11/25/2004 | US20040233092 Series capacitive component for switched-capacitor circuits consisting of series-connected capacitors |
| 11/25/2004 | US20040233091 Analog to digital converter |
| 11/25/2004 | US20040233088 Digital to analog converter having a low power semi-analog finite impulse response circuit |
| 11/25/2004 | US20040233086 Stable high-order delta-sigma error feedback modulators, and noise transfer functions for use in such modulators |
| 11/25/2004 | US20040233085 Output filter for delta sigma modulator and digital signal processor provided with the same |
| 11/25/2004 | US20040233084 Methods and systems for digital dither |
| 11/25/2004 | US20040233081 Analog-to-digital converter with correction of offset errors |
| 11/24/2004 | EP1480345A2 Stable high-order delta-sigma error feedback modulators and noise transfer functions for use in such modulators |
| 11/24/2004 | EP1480342A2 Analog to digital converter |
| 11/24/2004 | EP1479169A2 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 |
| 11/24/2004 | EP1397772A4 A variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator |
| 11/24/2004 | EP1197001B1 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such converter |
| 11/23/2004 | US6822595 Extended range digital-to-analog conversion |
| 11/23/2004 | US6822594 Overload protection and stability for high order 1-bit delta-sigma modulators |
| 11/23/2004 | US6822592 Method for self-calibrating a frequency of a modulator circuit, and circuit using said method |
| 11/18/2004 | US20040230427 Audio signal compression |
| 11/17/2004 | EP1088397B1 Sigma-delta analog-to-digital converter |
| 11/17/2004 | CN1547804A Sigma-delta modulator with an adjustable feedback factor |
| 11/16/2004 | US6819276 Noise-shaper system and method |