| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 02/13/2007 | US7176821 Reduced area digital sigma-delta modulator |
| 02/13/2007 | US7176820 Multiple input sigma-delta architecture |
| 02/13/2007 | US7176819 Precision low noise-delta-sigma ADC with AC feed forward and merged coarse and fine results |
| 02/13/2007 | US7176818 Analog to digital converter, related method and use in voltage regulator circuits |
| 02/13/2007 | US7176817 Continuous time delta sigma ADC with dithering |
| 02/08/2007 | DE102005035225A1 Linearisierungs-Schaltungsanordnung und Linearisierungs-Verfahren mit digitaler Element-Anpassung für Digital-Analog-Umsetzer Linearization circuitry and linearization method with digital element matching for digital-to-analog converter |
| 02/07/2007 | EP1391039B1 Dynamic element matching |
| 02/07/2007 | CN1909380A Switch control circuit, delta-sigma modulation circuit, delta-sigma modulation type AD convertor |
| 02/06/2007 | US7173980 Complex-IF digital receiver |
| 02/06/2007 | US7173550 Circuits, systems and methods for volume control in low noise 1-bit digital audio systems |
| 02/01/2007 | US20070024478 Information recording processing apparatus, information recording processing method and computer program |
| 02/01/2007 | US20070024477 DPSK demodulator and method |
| 02/01/2007 | DE102005035385A1 Digital/analog converter for use in communication system, has filtering device coupled to output of noise shaper and designed to reject radio-frequency signal components in digital word converted by noise shaper |
| 01/31/2007 | EP1748564A1 Method and system for digital to analog conversion using multi-purpose current summation |
| 01/30/2007 | US7170434 Look-ahead delta sigma modulator with quantization using natural and pattern loop filter responses |
| 01/25/2007 | WO2007011307A1 Cancellation of anti-resonance in resonators |
| 01/25/2007 | WO2007010298A1 Sigma delta modulators |
| 01/25/2007 | US20070019900 Integrated circuit for programmable optical delay |
| 01/25/2007 | US20070018872 Delta sigma modulator with multiple filters |
| 01/25/2007 | US20070018871 Multiple stage delta sigma modulators |
| 01/25/2007 | US20070018870 Modulation system |
| 01/25/2007 | US20070018869 Linearization circuit with digital element matching for digital-to-analog converters |
| 01/25/2007 | US20070018868 AM Radio Receiving Circuit |
| 01/25/2007 | US20070018867 Band-pass delta-sigma ad modulator for ad-converting high frequency narrow signal with higher precision and lower consumption power |
| 01/25/2007 | US20070018866 Quantizer overload prevention for feed-back type delta-sigma modulators |
| 01/25/2007 | US20070018865 Third order sigma-delta modulator |
| 01/25/2007 | US20070018857 Generating bit-streams with higher compression gains |
| 01/24/2007 | EP1393449B1 Digital-analog converter |
| 01/24/2007 | CN1901379A Third order sigma-delta modulator |
| 01/23/2007 | US7167119 Delta-sigma modulators with double sampling input networks and systems using the same |
| 01/23/2007 | US7167118 Centered-pulse consecutive edge modulation (CEM) method and apparatus |
| 01/18/2007 | WO2007009126A2 Oversampling analog-to-digital converter and method with reduced chopping residue noise |
| 01/18/2007 | US20070013567 Transmission circuit and communication device |
| 01/18/2007 | US20070013566 Oversampling analog-to-digital converter and method with reduced chopping residue noise |
| 01/17/2007 | EP1743429A1 Sigma delta modulator |
| 01/16/2007 | US7165208 Apparatus and method for encoding and decoding TFCI in a mobile communication system |
| 01/16/2007 | US7164719 System to reduce distortion due to coding with a sample-by-sample quantizer |
| 01/16/2007 | US7164376 Dual-mode delta-sigma analog to digital converter system and method |
| 01/16/2007 | US7164375 Analog to digital converter using both analog and digital offset voltages as feedback |
| 01/11/2007 | WO2007005494A1 Unconditionally stable analog-to-digital converter |
| 01/11/2007 | US20070008202 Sigma-delta converter and use thereof |
| 01/10/2007 | EP1741189A1 Methods and apparatus for reducing thermal noise |
| 01/10/2007 | CN1894855A System and method for detection of amplitude limit and modification of signal |
| 01/10/2007 | CN1893281A Apparatus and method for controlling the state variable of an integrator stage in a modulator |
| 01/09/2007 | US7162506 Integrated circuit with mode control for selecting settled and unsettled output from a filter |
| 01/09/2007 | US7161520 High precision analog to digital converter |
| 01/04/2007 | WO2007002770A2 Methods and apparatus for implementing and using amplifiers for performing various amplification related operations |
| 01/04/2007 | US20070001882 Method and circuit for producing spread spectrum and/or over clock signal |
| 01/04/2007 | US20070001881 Unconditionally stable analog-to-digital converter |
| 01/04/2007 | DE102005028726A1 Verfahren und Vorrichtung zur Analog-Digital-Wandlung Method and apparatus for analog-to-digital conversion |
| 01/03/2007 | EP1738469A1 Switched capacitor signal scaling circuit |
| 01/03/2007 | EP1738468A1 Method of reducing inter-symbol interference, a sigma-delta converter for performing this method and a storage medium conveying information generated by this method |
| 01/03/2007 | EP1738467A1 Delta sigma modulator with multiple filters |
| 01/03/2007 | CN1890889A Bandpass sampling receiver and the sampling method |
| 01/03/2007 | CN1890888A New receiver architecture for wireless communication system |
| 01/03/2007 | CN1890881A Delta-sigma type fraction division pll synthesizer |
| 01/02/2007 | US7158064 Continuous-time delta-sigma ADC with programmable input range |
| 01/02/2007 | US7158063 High-resolution sigma-delta converter |
| 01/02/2007 | US7158062 Clocked DAC current switch |
| 12/28/2006 | WO2006102178A3 System and method for time encoding analog signals |
| 12/28/2006 | US20060290549 Methods and apparatus for implementing and/or using amplifiers and/or for performing various amplification related operations |
| 12/28/2006 | DE102005029819A1 Sigma-Delta-Umsetzer und Verwendung desselben The same sigma-delta converter and using |
| 12/27/2006 | EP1735911A1 Gain control for delta sigma analog-to-digital converter |
| 12/21/2006 | US20060284751 Complex band-pass filter for use in digital radio receiver and complex band-pass delta-sigma AD modulator using the same |
| 12/21/2006 | US20060284746 Digital expander for generating multiple analog control signals particularly useful for controlling an oscillator |
| 12/21/2006 | DE102005020067A1 Continuous-time sigma delta modulator for wireless transceiver circuit, has digital signal processor controlling signal generation device and compensation factor, and adjusting factor for loop delay to optimal value based on digital signal |
| 12/19/2006 | US7152086 Method and arrangement for sample-rate conversion |
| 12/19/2006 | US7152010 Calibrating an analog-to-digital converter using a test signal with a precise DC voltage |
| 12/19/2006 | US7151474 Controlled current source; in particular for digital/analogue converters in continuous-time sigma/delta modulators |
| 12/14/2006 | US20060282211 Control device, control method, control unit, and engine control unit |
| 12/13/2006 | EP1732229A1 Single-loop switched-capacitors analog-to-digital sigma-delta converter |
| 12/13/2006 | CN1879446A Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 12/13/2006 | CN1290268C Transmission circuit of a radio-frequency signal |
| 12/12/2006 | US7149261 Image reject circuit using sigma-delta conversion |
| 12/12/2006 | US7148830 Look-ahead delta sigma modulator with pruning of output candidate vectors using quantization error minimization pruning techniques |
| 12/07/2006 | DE102005012444B4 Steuervorrichtung und Verfahren zur Verwürfelung der Zuordnung der Referenzen eines Quantisierers in einem Sigma-Delta-Analog-Digital-Umsetzer Control apparatus and method for scrambling of the assignment of the references of a quantizer in a sigma-delta analog-to-digital converter |
| 12/06/2006 | CN2845314Y Improved delta sigma D/A converter |
| 12/06/2006 | CN1875544A Multiplexed-input-separated sigma-delta analog-to-digital converter design for pixel-level analog-to-digital conversion |
| 12/05/2006 | US7146144 Frequency agile exciter |
| 12/05/2006 | US7145936 Bandpass delta sigma truncator and method of truncating a multi-bit digital signal |
| 12/05/2006 | US7145492 Data management method |
| 12/05/2006 | US7145491 Time-interleaved band-pass delta-sigma modulator |
| 11/30/2006 | WO2006126166A2 Demodulator for multi-mode receiver |
| 11/30/2006 | WO2006125639A1 Capacity measuring circuit |
| 11/30/2006 | WO2006034416A3 Compression rate control system and method with variable subband processing |
| 11/30/2006 | US20060267823 Method of adding a dither signal in output to the last integrator of a sigma-delta converter and relative sigma-delta converter |
| 11/30/2006 | US20060267822 Optical encoder |
| 11/30/2006 | US20060267821 Sampling circuit |
| 11/30/2006 | DE10243564B4 Schaltungsanordnung zur Mittelwertbildung A circuit arrangement for averaging |
| 11/30/2006 | DE102005038875A1 Kapazitätsmessschaltung Capacitance measuring circuit |
| 11/29/2006 | EP1727287A1 Method of adding a dither signal in output to the last integrator of a sigma-delta converter and relative sigma-delta converter |
| 11/29/2006 | EP1726085A1 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit |
| 11/29/2006 | EP1153483B1 Radio receiver |
| 11/29/2006 | CN1287382C Signal processing device |
| 11/28/2006 | US7142606 Method and apparatus for shared processing a plurality of signals |
| 11/28/2006 | US7142597 Full bridge integral noise shaping for quantization of pulse width modulation signals |
| 11/28/2006 | US7142144 Low power sigma delta modulator |
| 11/28/2006 | US7142143 Time-continuous sigma/delta analog-to-digital converter |
| 11/28/2006 | US7142142 Multi-bit ADC with sigma-delta modulation |
| 11/23/2006 | US20060261986 Multichannel time encoding and decoding of a signal |