Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 3 - Conversion of analogue values to or from differential modulation
Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070)
12/2008
12/30/2008US7471225 Transmitter digital-to-analog converter with noise shaping
12/25/2008US20080316075 Delta sigma modulator and delta sigma a/d converter
12/25/2008US20080316074 Electronic Circuit and Semiconductor Device Having Dac and Scf
12/25/2008US20080316073 Digital-to-analog converter and distortion correction circuit
12/24/2008WO2008157002A1 Quantizing circuits with variable reference signals
12/24/2008WO2008155301A2 Direct rf d-to-a conversion
12/24/2008WO2008076519A3 Methods and apparatus for a multi-mode analog-to-digital converter
12/24/2008CN101331684A Radio frequency sigma-delta-modulator
12/24/2008CN100446425C Method and arrangement for sample-rate conversion
12/24/2008CN100446424C Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same
12/18/2008US20080309536 Analog-to-Digital Converter of the Sigma Delta Type
12/18/2008US20080309535 Feedforword Sigma-Delta Ad Converter with an Optimized Built-In Filter Function
12/18/2008US20080309534 Quantizing circuits for semiconductor devices
12/18/2008US20080309533 Comparators for delta-sigma modulators
12/18/2008US20080309530 Quantizing circuits with variable parameters
12/18/2008US20080309529 Sigma Delta Modulators
12/17/2008CN101326724A Analog-to-digital converter of the sigma delta type
12/16/2008US7466257 Delta-sigma AD converter
12/16/2008US7466256 Universal ultrasound sigma-delta receiver path
12/16/2008US7466255 Multiplexed-input-separated Σ-Δ analog-to-digital converter for pixel-level analog-to-digital conversion utilizing a feedback DAC separation
12/16/2008US7466254 Systems and methods for digital control utilizing oversampling
12/11/2008WO2008151265A1 Cross-coupled switched capacitor circuit with a plurality of branches
12/11/2008WO2008150864A2 Sigma-delta modulator with dac resolution less than adc resolution
12/11/2008WO2008131326A3 Switched capacitor integration and summing circuits
12/11/2008US20080303703 Cross-Coupled Switched Capacitor Circuit with a Plurality of Branches
12/10/2008EP1999851A2 Foldback free capacitance-to-digital modulator
12/10/2008CN101322316A Electronic quadrature device
12/10/2008CN101322315A Feedforward sigma-delta ad converter with an optimized built-in filter function
12/10/2008CN101320320A Bit stream summator and bit stream multiplier using the same, and phase discriminator
12/10/2008CN100442668C Electronic circuit with a sigma delta a/d converter
12/10/2008CN100442643C Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit
12/04/2008US20080297389 Blue-Noise-Modulated Sigma-Delta Analog-to-Digital Converter
12/04/2008US20080297388 Programmable sigma-delta analog-to-digital converter
12/04/2008US20080297387 Filter With Capacitive Forward Coupling
12/04/2008US20080297386 Sigma-delta modulator with dac resolution less than adc resolution
12/04/2008US20080297385 Sigma-Delta Analog-Digital Converter For An Xdsl Multistandard Input Stage
12/04/2008DE102008025367A1 Filter mit kapazitiver Vorwärtskopplung Filter with capacitive feed-forward
12/04/2008DE102008024218A1 Vorrichtung und Verfahren mit Verstärkungsstrukturen Apparatus and method with reinforcement structures
12/03/2008EP1661251B1 Data converters with ternary pulse width modulation output stages and methods and systems using the same
12/02/2008US7460046 Sigma-delta modulators
11/2008
11/27/2008WO2008123786A3 Method and apparatus for analog-to-digital conversion using asynchronous sigma-delta modulation
11/27/2008US20080291069 Delta sigma modulator
11/26/2008EP1994641A2 Capacitance-to-digital interface circuit for differential pressure sensor
11/26/2008EP1994640A1 A wireless receiver circuit with merged adc and filter
11/25/2008US7456771 Sigma-delta modulator
11/25/2008US7456770 Distributed sigma-delta sensor network
11/25/2008US7456769 Reference voltage generating circuit
11/20/2008US20080288247 Speech Activity Detection
11/20/2008US20080284628 Delta Sigma Modulator
11/20/2008US20080284627 A/d converter for wideband digital communication
11/20/2008DE102008023277A1 Wandlervorrichtung Conversion device
11/19/2008EP1766782B1 A hybrid tuning circuit for continuous-time sigma-delta analog-to-digital converter
11/18/2008US7454431 Method and apparatus for window matching in delta compressors
11/18/2008US7453382 Method and apparatus for A/D conversion
11/18/2008US7453381 Power-saving multibit delta-sigma converter
11/13/2008WO2008137711A2 Feed-forward circuitry and corresponding error cancellation circuit for cascaded delta-sigma modulator
11/13/2008WO2008137662A1 Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection
11/13/2008WO2008137655A1 Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
11/13/2008WO2008136908A1 Mismatch shaping analog to digital converter system
11/13/2008US20080278361 Asymmetric PWM signal generator, method thereof, and data processing apparatus including the same
11/13/2008US20080278360 Performance of A/D converter and receiver
11/13/2008DE102008020826A1 Analog-Digital-Wandler, Empfängeranordnung, Filteranordnung und Signalverarbeitungsverfahren Analog-to-digital converter, receiver arrangement, the filter arrangement and signal processing method
11/12/2008CN101305520A A signal processing circuit comprising a sigma delta analog to digital converter
11/12/2008CN100433559C Image coding apparatus and image coding method
11/11/2008US7450665 Method and apparatus to implement DC offset correction in a sigma delta converter
11/11/2008US7450648 Digital signal processing device, a method and a delta-sigma modulator using the same method
11/11/2008US7450047 Sigma-delta modulator with DAC resolution less than ADC resolution and increased dynamic range
11/11/2008US7450046 Delta-sigma modulator and A/D converter
11/11/2008US7450045 Delta-Sigma analog-to-digital converter and method thereof
11/06/2008WO2008132289A1 Improving performance of a/d converter and receiver
11/06/2008US20080273508 Packetized audio data operations in a wireless local area network device
11/06/2008US20080272947 System Clock Generator Circuit
11/06/2008US20080272946 Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection
11/06/2008US20080272945 Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
11/06/2008US20080272944 Feed-forward circuitry and corresponding error cancellation circuit for cascaded delta-sigma modulator
11/05/2008EP1988635A1 D/a converter
11/05/2008EP1665544B1 Accumulator for adaptive sigma-delta modulation
11/05/2008CN100431270C Incremental-delta analogue-to-digital conversion
11/04/2008US7447803 Method and device for reducing a dataset consisting of process data to be transmitted
11/04/2008US7446687 Method and apparatus to reduce internal circuit errors in a multi-bit delta-sigma modulator
11/04/2008US7446686 Incremental delta-sigma data converters with improved stability over wide input voltage ranges
10/2008
10/30/2008WO2008131185A1 Low power, low noise digital-to-analog converter reference circuit
10/30/2008WO2008129975A1 Da converter and da conversion method
10/30/2008WO2008129949A1 Ad converter
10/30/2008WO2008022008A3 Improving signal -to- noise ratio when using fewer bits than the number of output bits of an analog to digital converter
10/30/2008US20080267155 Wireless local area network device supporting enhanced call functions
10/30/2008US20080266156 Digital-to-Analog Converter of the Finite Impulse Response Type
10/30/2008US20080266155 Column Parallel Readout with a Differential Sloped A/D Converter
10/30/2008DE102007020477A1 Sigma delta modulator for multi-bit sigma delta analog-digital converter, has correlation device with input connected with quantizer output, another input connected with source output for signal, and output to output parameters for circuit
10/29/2008EP1417765B1 Multiplexed analog to digital converter
10/28/2008US7443325 Sigma-delta modulator
10/28/2008US7443324 Apparatus and method for dithering a sigma-delta modulator
10/23/2008US20080258952 Delta Sigma Modulator and Delta Sigma Analog-Digital Converter
10/23/2008US20080258951 Hybrid Delta-Sigma/SAR Analog to Digital Converter and Methods for Using Such
10/23/2008DE102007017639A1 Integrierte Schaltungsanordnung mit wenigstens einem Digital-Analog-Wandler Integrated circuit arrangement with at least one digital-to-analog converter
10/22/2008EP1982417A1 Conversion of multiple analog signals in an analog to digital converter
10/22/2008CN101292164A A sampling module and a method of sampling one or more analogue characteristics of a power transmission system
10/21/2008US7439893 Delta sigma modulation D/A converting system
10/21/2008US7439892 Variable voltage generator for delta-sigma modulators
10/21/2008US7439891 Methods and apparatus for sigma-delta modulator having selectable OSR with optimal resonator coefficient
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