Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 1 - Analogue/digital conversion; Digital/analogue conversion
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
07/2003
07/03/2003WO2003055207A1 Multiplexed analog-to-digital converter arrangement
07/03/2003WO2003055078A1 Circuit arrangement for testing an analog-digital converter
07/03/2003WO2003055076A2 Analog-to-digital converter and method of generating an intermediate code for an analog-to-digital converter
07/03/2003WO2003055057A1 Offset calibration system and method for a high gain signal channel
07/03/2003US20030123646 Error correction architecture to increase speed and relax current drive requirements of SAR ADC
07/03/2003US20030122692 Method and apparatus for generating a pulse width modulated signal
07/03/2003US20030122592 Sampling and hold circuit
07/02/2003EP1324496A2 Method and arrangement for digitising a voltage
07/02/2003CN1427999A Encoder with embedded signal circuit
07/02/2003CN1427241A Treating system and method for low voltage high-precision differential signal of measurer
07/02/2003CN1113468C A-D converter controlling method
07/01/2003US6587984 Distortion detecting device, distortion correcting device, and distortion correcting method for digital audio signal
07/01/2003US6587560 Low voltage circuits powered by the phone line
07/01/2003US6587066 Circuits and methods for sampling an input signal in a charge redistribution digital to analog converter
07/01/2003US6587065 Stable current-control reference systems
07/01/2003US6587064 Signal processor with local signal behavior and predictive capability
07/01/2003US6587000 Current mirror circuit and analog-digital converter
06/2003
06/26/2003WO2003052940A2 Digital to analogue converter
06/26/2003WO2003052939A2 Sigma delta a/d converter with firdac converter
06/26/2003US20030117308 Pseudo-differential amplifier and analog-to-digital converter using the same
06/26/2003US20030117307 Resistor string dac with current source lsbs
06/26/2003US20030117306 Modulator
06/26/2003US20030117305 Digital-to-analog converter
06/26/2003US20030117300 PWM converting circuit, D/A converter and PWM converting method with improved resolution
06/26/2003US20030117205 Offset calibration system and method for a high gain signal channel
06/26/2003US20030117098 Method and apparatus for digitizing a voltage
06/25/2003EP0910902B1 Method for efficient sampling in a correlator
06/24/2003US6584157 Receiver having integrated mixer and Sigma-Delta analog-to digital conversion
06/24/2003US6583817 Autocalibration of the A/D converter within the CMOS type image sensor
06/24/2003US6583748 Analog input selection circuit protected from negative over-voltage
06/24/2003US6583747 Subranging analog to digital converter with multi-phase clock timing
06/24/2003US6583746 A/D converter with high speed input circuit
06/24/2003US6583745 A/D converter
06/24/2003US6583744 Correction circuit for beta mismatch between thermometer encoded and R-2R ladder segments of a current steering DAC
06/24/2003US6583743 Differential bipolar stray-insensitive pipelined digital-to-analog converter
06/24/2003US6583742 Digital to analogue converter with dynamic element matching
06/19/2003WO2003050637A2 Voltage controller for switching power supplies
06/19/2003US20030112169 A/D converter with reduced power consumption
06/19/2003US20030112168 Analog to digital converter using a programmable interpolator and method thereof
06/19/2003US20030112167 Digital-to-analog converter with linear amplification rate
06/19/2003US20030112166 High precision, high-speed signal source
06/19/2003US20030112165 High precision, high-speed signal capture
06/19/2003US20030112164 Multi-channel circuit with current steering digital to analogue converters with minimised crosstalk
06/19/2003US20030111992 Variable impedance network for an integrated circuit potentiometer
06/18/2003CN1425221A A/D converter background calibration
06/18/2003CN1111958C D/A converting circuit and A/D converting circuit therewith
06/18/2003CN1111947C High speed and high gain operational amplifier
06/17/2003US6580383 High resolution ADC based on an oversampled subranging ADC
06/17/2003US6580382 Programmable gain analog-to-digital converter
06/17/2003US6580381 Analog-to-digital converter with complementary transistors
06/17/2003US6580380 Apparatus and method for testing linearity of an analog to digital converter
06/12/2003WO2003049293A1 Floating gate digital-to-analog converter
06/12/2003US20030109999 Method and apparatus for equalization of a signal acquistion system
06/12/2003US20030107508 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium
06/12/2003US20030107506 Using single lookup table to correct differential non-linearity errors in an array of A/D converters
06/10/2003US6577987 Operational monitoring for a converter
06/10/2003US6577263 Analog switch circuit
06/10/2003US6577262 Compander for power control in a ballast
06/10/2003US6577261 Method and apparatus for mismatched shaping of an oversampled converter
06/10/2003US6577260 Digital/analogy converter for reducing glitch
06/10/2003US6577257 Methods and systems for digital dither
06/10/2003US6577191 Automatic gain control circuit for analog signals
06/10/2003US6577168 Track and hold circuit
06/10/2003US6577068 Electro-optical element driving circuit, electro-optical device, and electronic device
06/05/2003WO2003047096A1 Compensation circuit for frequency filters
06/05/2003WO2002103914A3 Integrating a/d converter
06/05/2003US20030102994 High dynamic range digital converter
06/05/2003US20030102993 Floating gate digital-to-analog converter
06/04/2003EP1317137A1 Image processing apparatus and integrated circuit therefor
06/04/2003EP1317136A1 Image processing apparatus and integrated circuit therefor
06/04/2003EP1317135A1 Image processing apparatus and integrated circuit therefor
06/04/2003EP1317068A1 Incremental-delta analogue to digital conversion
06/04/2003EP1316152A2 Method and apparatus for use in switched capacitor systems
06/04/2003EP1316151A1 A/d converter calibration
06/04/2003EP1316150A1 A/d converter calibration
06/04/2003EP1315948A2 Several gas flow measuring devices and signal processing methods
06/04/2003EP1159784B1 Reducing digital switching noise in mixed signal ic's
06/04/2003EP0783664B1 Sensor with microcomputer and suppression of noise voltage
06/04/2003CN1110902C Switch capacitor digital-analog converter with decreased harmonic distortion
06/04/2003CN1110901C Analog/digital conversion apparatus
06/04/2003CN1110811C Audio encoding/decoding equipments
06/03/2003US6574459 Multiple branch receiver system and method
06/03/2003US6573853 High speed analog to digital converter
06/03/2003US6573852 Analog-to-digital conversion system
06/03/2003US6573851 Offset compensated comparing amplifier
06/03/2003US6573730 Detector provided with plural input means for obtaining output by changes in resistance values
06/03/2003US6573713 Transpinnor-based switch and applications
05/2003
05/30/2003WO2003044959A2 Low spurious direct digital synthesizer
05/30/2003WO2003017506A3 Device and method for offset calibration of the power control signal of radio devices
05/29/2003US20030099318 Method and device for acquiring an estimated value dependent on the maximum of a single-frequency signal
05/29/2003US20030098808 Differential input A/D converter
05/29/2003US20030098807 Digital-to-analog converter
05/29/2003US20030098708 Active matrix substrate inspecting method, active matrix substrate, liquid crystal device, and electronic apparatus
05/28/2003EP1315290A1 Pseudo-differential amplifier and analog-to-digital converter using the same
05/28/2003EP1315172A1 Sampling and hold circuit
05/28/2003EP1314253A1 High speed precision analog to digital convertor
05/28/2003EP1314249A2 Multi-channel precision synchronous voltage-to-frequency converter
05/28/2003CN1420629A Universal multi-channel A/D isolating converter
05/28/2003CN1110145C Variable scale audio coding/decoding method and apparatus
05/28/2003CN1110142C D-A converter with reference signal
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