| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 11/16/2004 | US6819275 Audio signal compression |
| 11/16/2004 | US6819274 Method for tuning a bandpass analog-to-digital converter and associated architecture |
| 11/11/2004 | WO2004098062A2 Combined digital-to-analog converter and signal filter |
| 11/11/2004 | WO2004066540A3 Signal processing system with baseband noise modulation and noise fold back reduction |
| 11/11/2004 | US20040223545 Multi-level pulse width modulation in digital system |
| 11/11/2004 | US20040222799 DC measurement method and system using sigma-delta modulation pattern |
| 11/11/2004 | CA2523119A1 Combined digital-to-analog converter and signal filter |
| 11/10/2004 | EP0914728B1 Arrangements and methods for generating a radio frequency signal |
| 11/10/2004 | CN1545085A Data processing of a bitstream signal |
| 11/09/2004 | US6816100 Analog-to-digital converters with common-mode rejection dynamic element matching, including as used in delta-sigma modulators |
| 11/09/2004 | US6816097 System and method for performing digital-to-analog conversion using a sigma-delta modulator |
| 11/04/2004 | WO2004095710A1 Mixed technology mems/bicmos lc bandpass sigma-delta for direct rf sampling |
| 11/04/2004 | WO2004095704A2 Variable rate sigma delta modulator |
| 11/04/2004 | WO2004094965A2 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same |
| 11/04/2004 | DE10254651B3 Quantisierer für einen Sigma-Delta-Modulator und Sigma-Delta-Modulator Quantizer for a sigma-delta modulator and the sigma-delta modulator |
| 11/03/2004 | EP1472791A2 Electronic circuit with a sigma delta a/d converter |
| 11/03/2004 | EP1472790A2 Circuit with a digital to analog converter |
| 11/03/2004 | CN1174553C Hybrid low-pass sigma-delta modulator |
| 11/02/2004 | US6813320 Wireless telecommunications multi-carrier receiver architecture |
| 11/02/2004 | US6813319 System and method for transmitting digital information using interleaved delta modulation |
| 11/02/2004 | US6812876 System and method for spectral shaping of dither signals |
| 11/02/2004 | US6812875 Analog/digital converter and method for controlling the same |
| 11/02/2004 | CA2294404C Delta-sigma modulator for fractional-n frequency synthesis |
| 10/28/2004 | WO2004093324A1 Sigma-delta modulator |
| 10/28/2004 | US20040216007 System and method for compensating for error in a sigma delta circuit |
| 10/28/2004 | US20040213356 Combined digital-to-analog converter and signal filter |
| 10/28/2004 | US20040213333 Sigma-delta modulation code division multiple-access receiver |
| 10/28/2004 | US20040212527 Method and apparatus for improving accuracy of analog to digital converters |
| 10/28/2004 | US20040212524 PWM signal generator and PWM signal generating method |
| 10/27/2004 | EP1471640A2 PWM signal generator and PWM signal generating method |
| 10/27/2004 | EP1470505A2 Apparatus and method for interfacing time-variant signals |
| 10/27/2004 | CN1541496A Method and appts. for minimizing latency in digital signal processing systems |
| 10/26/2004 | US6809672 Low power, high SNR, high order delta sigma modulator stage having integrators with pipelined cross coupled input circuits |
| 10/21/2004 | WO2004090570A2 Sensing device for sensing a physical parameter |
| 10/21/2004 | US20040208249 Calibrated model to mitigate data conversion errors |
| 10/21/2004 | US20040207549 Device and method of digital gain programming using sigma-delta modulator |
| 10/20/2004 | EP1468496A2 Method for interpolating at least two position-dependent, periodic analog signals that are dephased relative each other |
| 10/20/2004 | CN1539229A Receiver with improved digital internediate to base band demodulator |
| 10/20/2004 | CN1539201A Analog FIR filter |
| 10/19/2004 | CA2126810C Audio signal transmitting apparatus and the method thereof |
| 10/14/2004 | WO2004088862A1 Digital receiver and method |
| 10/14/2004 | WO2004088843A2 System and method for compensating for error in a sigma delta circuit |
| 10/14/2004 | WO2004032333A8 Noise shaping circuits and methods with feedback steering overload compensation and systems using the same |
| 10/14/2004 | US20040201511 High precision analog to digital converter |
| 10/14/2004 | US20040201508 Method for tuning a bandpass analog-to-digital converter and associated architecture |
| 10/13/2004 | EP1466412A1 Method and apparatus for generating a pulse width modulated signal |
| 10/13/2004 | EP1344147A4 Fir decimation filter and method |
| 10/13/2004 | EP1273100B1 Balanced circuit arrangement |
| 10/12/2004 | US6804359 Signal processor for reducing undesirable signal content |
| 10/12/2004 | US6804308 Receiver including frequency down-converter and analog-to-digital converter for a wireless telecommunication system |
| 10/12/2004 | US6804291 Device and method of digital gain programming using sigma-delta modulator |
| 10/12/2004 | US6803870 Procedure and device for analog-to-digital conversion |
| 10/07/2004 | US20040198067 Fabrication process of a semiconductor integrated circuit device |
| 10/07/2004 | US20040196936 Switched capacitor filter and digital wireless receiver |
| 10/07/2004 | US20040196169 Adaptive sigma-delta modulation |
| 10/07/2004 | US20040196168 DAC/ADC system |
| 10/06/2004 | EP0935851B1 A digital communication device and a mixer |
| 10/05/2004 | US6801583 Multi-carrier receiver including an analog-to-digital converter for a wireless telecommunication system |
| 10/05/2004 | US6801148 Beamformed ultrasonic imager with delta-sigma feedback control |
| 09/30/2004 | US20040190728 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same |
| 09/30/2004 | US20040190660 Digital receiver and method |
| 09/30/2004 | US20040189842 Semiconductor integrated circuit device and imaging system |
| 09/30/2004 | US20040189503 Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same |
| 09/30/2004 | US20040189502 Multi-level pulse width modulation in digital system |
| 09/30/2004 | US20040189501 System and method for digital volume control |
| 09/30/2004 | US20040189500 Pipeline ad converter |
| 09/30/2004 | US20040189499 Sigma delta beamformer and method with reduced artifact |
| 09/29/2004 | EP1463205A1 Method and system for the indirect measurement of a physical value |
| 09/29/2004 | EP1407589A4 Receiver with improved digital intermediate to base band demodulator |
| 09/29/2004 | EP1177634B1 Sigma-delta analog/digital converter array |
| 09/28/2004 | US6798848 Architecture for multi-carrier receiver |
| 09/23/2004 | WO2004004120A3 Filtering applicable to digital to analog converter systems |
| 09/23/2004 | US20040184621 Clip detection in PWM amplifier |
| 09/23/2004 | US20040182992 Semiconductor integrated circuit device and imaging system |
| 09/22/2004 | EP1304016B1 A/d converter with integrated biasing for a microphone |
| 09/22/2004 | CN1531780A Rapid multiplexing analog to digital converter |
| 09/22/2004 | CN1531779A Feedback A/D-or D/A-converter with reduced current consumption |
| 09/22/2004 | CN1168215C Noise cancellation circuit and quadrature downconverter |
| 09/21/2004 | US6795007 Circuits and methods for a variable over sample ratio delta-sigma analog-to-digital converter |
| 09/21/2004 | US6795006 Integrator reset mechanism |
| 09/21/2004 | US6795005 Variable, adaptive quantization in sigma-delta modulators |
| 09/21/2004 | US6795004 Delta-sigma modulation apparatus and signal amplification apparatus |
| 09/21/2004 | US6795003 Hardware-efficient implementation of dynamic element matching in sigma-delta DAC's |
| 09/21/2004 | US6795002 Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators |
| 09/21/2004 | US6795001 Analog FIR-filter with Σ Δ modulator and delay line |
| 09/16/2004 | WO2004079915A2 Feedback steering delta-sigma modulators and systems using the same |
| 09/16/2004 | WO2004064485A3 Signal processing system with baseband noise modulation and noise filtering |
| 09/16/2004 | US20040178939 Hardware-efficient implementation of dynamic element matching in sigma-delta DAC's |
| 09/16/2004 | US20040178938 Circuit for direct digital delta-sigma conversion of variable electrical capacitance |
| 09/16/2004 | US20040178937 Modulator providing only quantization error component to delta sigma modulator |
| 09/15/2004 | EP1456956A2 Sigma-delta converter comprising noise suppression |
| 09/15/2004 | EP1456955A2 Broadband sigma-delta modulator |
| 09/14/2004 | US6791404 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 09/10/2004 | WO2004077678A1 High frequency bandpass analogue to digital converters |
| 09/10/2004 | WO2003001675A3 Nmulti-level quantizer with dithering and multi-threshold generation for a multi-bt sigma-delta modulator |
| 09/09/2004 | US20040176077 Extending mobile phone networks |
| 09/09/2004 | US20040174285 Bandpass sigma-delta analog-to-digital converter and mash-sigma-delta converter incorporating same |
| 09/08/2004 | EP1454416A2 Bandpass sigma-delta modulator with anti-resonance cancellation |
| 09/08/2004 | EP1192717B1 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 09/08/2004 | CN1166070C Digital signal encoding apparatus and method digital signal decoding apparatus and method, and digital signal transmission system |