Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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07/11/2007 | EP1805896A1 Signal strength indicator |
07/11/2007 | CN1998141A Gain control for delta sigma analog-to-digital converter |
07/11/2007 | CN1326330C Sigma-delta modulator for digitizing analog high frequency signals |
07/10/2007 | US7243294 Serial turbo trellis coded modulation using a serially concatenated coder |
07/10/2007 | US7242337 Band-pass Δ-Σ AD modulator for AD-converting high frequency narrow-band signal with higher precision and lower power consumption |
07/10/2007 | US7242336 Continuous-time delta-sigma ADC for a radio receiver employing 200 kHz IF |
07/05/2007 | US20070152859 Da-converter system and a method for converting a multi-bit digital signal to an analog signal |
07/05/2007 | US20070152858 Delta-sigma modulator circuit with limiter and method therefor |
07/05/2007 | US20070152857 Delta-sigma dac |
07/05/2007 | DE102005061856A1 Zeitkontinuierlicher Delta-Sigma-Analog-Digital-Wandler A continuous-time delta-sigma analog-to-digital converter |
07/05/2007 | DE102005061813A1 Receiver circuit for analog signal, producing digital output signal, has mixer, first and second integrators, quantizer that produces digital output signal and first and second feedback digital-to-analog converters |
07/04/2007 | EP1804374A2 Switching amplifier |
07/04/2007 | CN1992532A Delta-sigma dac |
07/04/2007 | CN1324810C Multi-sampling SIGMA-DElTA analog-to-digital converter |
06/28/2007 | WO2007071368A1 Adjusting an input signal level of a sigma-delta converter |
06/28/2007 | US20070146185 Sample rate conversion combined with DSM |
06/27/2007 | EP1801978A1 Adjusting a filter of a time-continuous Sigma-Delta converter |
06/27/2007 | EP1801977A1 Adjusting an input signal level of a sigma-delta converter |
06/27/2007 | EP0974194B1 Capacitor array having user-adjustable, manufacturer-trimmable capacitance and method |
06/27/2007 | CN1988387A Judging circuit and method for high order single circulation over sampling noise shaping stability |
06/26/2007 | US7237182 System and method for selectively recovering frames in a communications environment |
06/26/2007 | US7236113 Capacitance-to-digital modulator with sensor failure-mode detection |
06/26/2007 | US7236112 Self-tuning output digital filter for direct conversion delta-sigma transmitter |
06/26/2007 | US7235983 One terminal capacitor interface circuit |
06/21/2007 | WO2007069178A2 Radio frequency σδ-modulator |
06/21/2007 | WO2007068688A1 Electronic circuit with compensation of intrinsic offset of differential pairs |
06/21/2007 | US20070139241 Current mode sigma-delta modulator |
06/21/2007 | US20070139240 Continuous-time delta-sigma analog digital converter |
06/21/2007 | US20070139239 Signa-delta modulation with offset |
06/20/2007 | EP1522145B1 Multi-bit delta-sigma analog-to-digital converter with error shaping |
06/20/2007 | CN1983821A Trigonometric integral modulator with self-correction function |
06/19/2007 | US7233271 Noise shaper circuit and method for reducing switching noise |
06/14/2007 | WO2007067850A1 Centered-pulse consecutive edge modulation (cem) method and apparatus |
06/14/2007 | WO2007067849A2 Extended dynamic range consecutive edge modulation (cem) method and apparatus |
06/14/2007 | WO2007066431A1 High precision multiple-band-pass δσ modulator |
06/14/2007 | WO2007066275A1 Analog-to-digital converter of the sigma delta type |
06/14/2007 | WO2007066274A1 Electronic quadrature device |
06/14/2007 | WO2007066273A2 Feedforward sigma-delta ad converter with an optimized built-in filter function |
06/14/2007 | WO2007065269A1 A wireless receiver circuit with merged adc and filter |
06/14/2007 | US20070132618 Multi-bit ADC with sigma-delta modulation |
06/14/2007 | DE102005059277A1 Verfahren und Schaltung zur Kompensation eines Taktjitters bei einem Sigma-Delta-Analog-Digital-Wandler Method and circuit for compensating a clock jitter in a sigma-delta analog-to-digital converter |
06/14/2007 | DE102005035225B4 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 |
06/13/2007 | EP1794890A1 Sigma-delta modulator and sigma-delta a/d converter |
06/13/2007 | EP1794889A1 Method and device for analog-digital conversion of a complex signal |
06/13/2007 | CN1981445A Sigma delta modulator |
06/12/2007 | US7230556 Analog signal generation using a delta-sigma modulator |
06/12/2007 | US7230555 Sigma delta converter with flying capacitor input |
06/12/2007 | US7230458 Delta/sigma frequency discriminator |
06/07/2007 | US20070127761 Microphone comprising integral multi-level quantizer and single-bit conversion means |
06/06/2007 | EP1792401A2 Arrangement for pulse-width modulating an input signal |
06/06/2007 | DE102005057768A1 Zeitkontinuierlicher Delta-Sigma-Analog-Digital-Wandler A continuous-time delta-sigma analog-to-digital converter |
06/06/2007 | CN1977458A A hybrid tuning circuit for continuous-time increment accumulation analog-to-digital converter |
06/05/2007 | US7227482 Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same |
06/05/2007 | US7227481 Feedback DAC chopper stabilization in a CT single-ended multi-bit sigma delta ADC |
05/31/2007 | WO2007062295A2 Method and system for generation of double-sided pulse wave modulation signal |
05/31/2007 | US20070120715 Accumulator for Adaptive Sigma-Delta Modulation |
05/30/2007 | EP1618667B1 Sigma-delta modulator |
05/30/2007 | CN1972130A Sigma-delta-converter and use thereof |
05/29/2007 | US7224757 Method and apparatus for improving the performance of delta-sigma modulators |
05/29/2007 | US7224304 Method and apparatus for an image canceling digital-to-analog converter (DAC) |
05/29/2007 | US7224302 Integrated PM/FM modulator using direct digital frequency synthesis and method therefor |
05/24/2007 | US20070116154 Digital receiver and method |
05/24/2007 | US20070115158 RF carrier generator and method thereof |
05/24/2007 | US20070115157 Method and system for generation of double-sided pulse wave modulation signal |
05/23/2007 | EP1787395A2 Systems and methods for analog to digital conversion |
05/23/2007 | CN1968022A Digital analog converter using capacitor and operational amplifier |
05/22/2007 | US7221303 Delta sigma modulator analog-to-digital converters with multiple threshold comparisons during a delta sigma modulator output cycle |
05/22/2007 | US7221302 Delta-sigma modulator coefficient calibration method and apparatus |
05/22/2007 | US7221297 D/A converter and output amplifying circuit |
05/18/2007 | WO2007054895A1 A signal processing circuit comprising a sigma delta analog to digital converter |
05/17/2007 | US20070109164 Digital correction of nonlinearity errors of multibit delta-sigma digital to analog converters |
05/17/2007 | US20070109163 Dynamic comparator system |
05/16/2007 | EP1786102A1 Digital filter |
05/16/2007 | EP1784918A1 Five-level feed-back digital-to-analog converter for a switched capacitor sigma-delta analog-to-digital converter |
05/16/2007 | EP1784916A1 Variable capacitance switched capacitor input system and method |
05/16/2007 | CN1965270A 测量时钟抖动 Clock jitter measurement |
05/16/2007 | CN1964188A A draw-off filter device of increment modulation type conversion |
05/15/2007 | US7218263 Generating bit-streams with higher compression gains |
05/15/2007 | US7218262 Modulation system |
05/10/2007 | US20070103353 Modulation table, modulating device and method, program, and recording medium |
05/10/2007 | US20070103352 Modulation table, modulating apparatus and method, program, and recording medium |
05/10/2007 | US20070103239 Delta-sigma type fraction pll synthesizer |
05/09/2007 | CN1961485A Bitstream controlled reference signal generation for a sigma-delta modulator |
05/09/2007 | CN1960186A Non-integer frequency division synthesizer and correlated method thereof |
05/08/2007 | US7215272 Schemes to implement multi-level PWM in digital system |
05/08/2007 | US7215270 Sigma-delta modulator having selectable OSR with optimal resonator coefficient |
05/08/2007 | US7215269 Delta-sigma analog-to-digital converter suitable for use in a radio receiver channel |
05/08/2007 | US7215262 Digital signal processing apparatus and digital signal processing method |
05/03/2007 | US20070096962 Apparatus and method for sigma delta signal treatment |
05/03/2007 | DE102005051822A1 Circuit arrangement e.g. sigma-delta-transducer, starting circuit, has absorbing device absorbing input signal for circuit arrangement over predetermined period during starting phase of circuit arrangement |
05/02/2007 | EP1779521A1 Sigma-delta modulator |
05/02/2007 | EP1038360B1 Programmable dynamic range receiver |
05/02/2007 | CN1956341A Background calibration of continuous-time delta-sigma modulator |
05/01/2007 | US7212874 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same |
05/01/2007 | US7212587 Apparatus for reducing DC offset in a receiver |
05/01/2007 | US7212142 Methods and systems for high speed quantizers |
04/26/2007 | WO2007045682A1 A sampling module and a method of sampling one or more analogue characteristics of a power transmission system |
04/26/2007 | US20070090980 Dithering noise cancellation for a delta-sigma modulator |
04/26/2007 | US20070090979 Low-pass filter based delta-sigma modulator |
04/26/2007 | CA2626569A1 A sampling module and a method of sampling one or more analogue characteristics of a power transmission system |