ClassID:

222318

H03M1/1047 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Calibration or testing; Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables using an auxiliary digital/analogue converter for adding the correction values to the analogue signal

Recent Application in this class:
#1
20260039306
2026-02-05

BACKGROUND DAC ERROR CALIBRATION FOR SAR ADCS

#2
20250141459
2025-05-01

CONFIGURABLE DIGITAL-TO-ANALOG CONVERTER CALIBRATION

#3
20240080033
2024-03-07

Digital correction of digital-to-analog converter errors in continuous-time analog-to-digital converters

#4
20230238974
2023-07-27

Shuffler-free ADC error compensation

#5
20230179216
2023-06-08

Calibrating a multiplexer of an integrated circuit

#6
20220345141
2022-10-27

Digital-to-analog conversion apparatus and method having signal calibration mechanism

#7
20220321105
2022-10-06

Accurate calibration of analog integrated-circuits continuous-time complex filters

#8
20220045689
2022-02-10

Resistive sensor based data acquisition system using low distortion analog front-end and digital gain error correction

#9
20210167790
2021-06-03

VCO-based continuous-time pipelined ADC

#10
20210159907
2021-05-27

Current steering digital to analog converter (DAC) system to perform DAC static linearity calibration

#11
20210119638
2021-04-22

Analog-to-digital converter

#12
20200412374
2020-12-31

Data converters and methods for memory arrays

#13
20200373934
2020-11-26

VCO-based continuous-time pipelined ADC

#14
20200195266
2020-06-18

Method of capacitive DAC calibration for SAR ADC

#15
20200153192
2020-05-14

CMOS externally modulated laser driver

#16
20180366898
2018-12-20

CMOS externally modulated laser driver

#17
20180198661
2018-07-12

Error-compensated direct digital modulation device

#18
20180167078
2018-06-14

Method of digital-to-analog converter mismatch calibration in a successive approximation register analog-to-digital converter and a successive approximation register analog-to-digital converter

#19
20170353685
2017-12-07

Analog readout preprocessing circuit for CMOS image sensor and control method thereof

#20
20170031380
2017-02-02

Programmable temperature compensated voltage generator

#21
20160149583
2016-05-26

Method of calibrating a SAR A/D converter and SAR-A/D converter implementing said method

#22
20150318863
2015-11-05

Residual error sampling and correction circuits in INL DAC calibrations

#23
20150172081
2015-06-18

Baseband envelope predistorter

#24
20130222162
2013-08-29

Digital to analog converter

#25
20130088375
2013-04-11

Input-independent self-calibration method and apparatus for successive approximation analog-to-digital converter with charge-redistribution digital to analog converter

#26
20120182166
2012-07-19

A/D conversion circuit, integrated circuit device, electronic apparatus

#27
20120098684
2012-04-26

Device and method for processing an analogue signal

#28
20120013492
2012-01-19

Programmable linearity correction circuit for digital-to-analog converter

#29
20110260899
2011-10-27

INL correction circuitry and method for SAR ADC

#30
20110234433
2011-09-29

A/D converter

#31
20110122006
2011-05-26

Calibration method and related calibration apparatus for capacitor array

#32
20110102227
2011-05-05

Fine resistance adjustment for polysilicon

#33
20100214140
2010-08-26

Digital trimming of SAR ADCs

#34
20100149008
2010-06-17

Switching unit for generating an output voltage as a function of a digital data value and method for calibrating the switching unit

#35
20100102894
2010-04-29

Digitally controlled oscillator with improved digital frequency calibration

#36
20100013685
2010-01-21

Method and apparatus for internally calibrating mixed-signal devices

#37
20100001892
2010-01-07

Successive approximation A/D converter

#38
20090189797
2009-07-30

Opto-electronic analog-to-digital converter

#39
20090121907
2009-05-14

D-A convert apparatus and A-D convert apparatus

#40
20090002212
2009-01-01

Digital-to-analogue converter system with increased performance

#41
20080165040
2008-07-10

Calibrating a digital-to-analog converter

#42
20080054185
2008-03-06

D/A conversion device and method and charged particle beam exposure apparatus and method

#43
20070132626
2007-06-14

Digitally corrected SAR converter including a correction DAC

#44
17126157
2022-04-26

Piecewise calibration for highly non-linear multi-stage analog-to-digital converter

#45
16656913
2021-01-05

Analog-to-digital converter

#46
16283721
2019-11-19

Calibration of radix errors using Least-Significant-Bit (LSB) averaging in a Successive-Approximation Register Analog-Digital Converter (SAR-ADC) during a fully self-calibrating routine

#47
16224344
2019-12-31

Method of capacitive DAC calibration for SAR ADC

#48
15943173
2019-03-26

Analog-to-digital converter (ADC) having calibration