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