ClassID:

222312

H03M1/1019 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Calibration or testing; Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error by storing a corrected or correction value in a digital look-up table

Recent Application in this class:
#1
20250385681
2025-12-18

COMPENSATION OF ANALOG-TO-DIGITAL CONVERTER (ADC) GAIN ERROR

#2
20240267054
2024-08-08

Signal receiving circuit and calibration method thereof

#3
20230208430
2023-06-29

HIGH-SPEED DIGITAL-TO-ANALOG CONVERTER CALIBRATION

#4
20230138427
2023-05-04

Analog-to-digital converter system, electronic device and analog-to-digital conversion method

#5
20230116433
2023-04-13

Analog-to-digital converter calibration systems and methods

#6
20230087480
2023-03-23

Dither enhancement of display gamma DAC systems and methods

#7
20220376696
2022-11-24

Pipeline analog to digital converter and signal conversion method

#8
20220376695
2022-11-24

Pipeline analog to digital converter and signal conversion method

#9
20220254394
2022-08-11

Apparatus and methods for fractional synchronization using direct digital frequency synthesis

#10
20220247420
2022-08-04

Calibration scheme for filling lookup table in an ADC

#11
20220069832
2022-03-03

Analog-to-digital converting device and control system

#12
20210240213
2021-08-05

Precision reference circuit

#13
20200389180
2020-12-10

Sigma-delta analog-to-digital converter circuit with correction for mismatch error introduced by the feedback digital-to-analog converter

#14
20190199329
2019-06-27

Ring oscillator temperature sensor

#15
20190044528
2019-02-07

Apparatus and method for single temperature subthreshold factor trimming for hybrid thermal sensor

#16
20180348806
2018-12-06

Current source calibration tracking temperature and bias current

#17
20180337684
2018-11-22

Self-oscillating multi-ramp converter and method for converting a capacitance into a digital signal

#18
20180287626
2018-10-04

Successive approximation type A/D conversion circuit

#19
20180183455
2018-06-28

MULTICORE SUCCESSIVE APPROXIMATION REGISTER ANALOG TO DIGITAL CONVERTER

#20
20180181077
2018-06-28

Digital synthesizer, communication unit and method therefor

#21
20170244422
2017-08-24

Photoelectric conversion apparatus and image pickup system

#22
20160234450
2016-08-11

Imaging element, imaging device, electronic device, and imaging method to improve speed of analog to digital conversion

#23
20160233875
2016-08-11

Circuit and method of adaptive filtering digital calibration of ADC

#24
20160182075
2016-06-23

Randomly sampling reference ADC for calibration

#25
20160182074
2016-06-23

Microprocessor-assisted calibration for analog-to-digital converter

#26
20160182073
2016-06-23

Efficient calibration of errors in multi-stage analog-to-digital converter

#27
20150349794
2015-12-03

Self-calibrating VCO-based analog-to-digital converter and method thereof

#28
20150295587
2015-10-15

Capacitance-to-digital converter and method for providing a digital output signal

#29
20150288380
2015-10-08

Estimation of digital-to-analog converter static mismatch errors

#30
20150263755
2015-09-17

Analog to digital conversion method with offset tracking and correction and analog to digital converter implementing the same

#31
20150263752
2015-09-17

Semiconductor device and electronic control device

#32
20150220100
2015-08-06

Current source calibration tracking temperature and bias current

#33
20150109155
2015-04-23

Semiconductor device and electronic control device

#34
20150094006
2015-04-02

Receiver of NFC device and NFC device including the same

#35
20150021464
2015-01-22

Photoelectric conversion apparatus and image pickup system

#36
20150001404
2015-01-01

Time-based digitizer for PET photodetector

#37
20140375855
2014-12-25

Imaging element, imaging device, electronic device, and imaging method

#38
20140333816
2014-11-13

Image pickup apparatus comprising A/D converter with offset and gain correction based on amplitude of input signal

#39
20140304575
2014-10-09

Digital-analog conversion apparatus and method

#40
20140266847
2014-09-18

Background calibration of ADC reference voltage due to input signal dependency

#41
20140176357
2014-06-26

Arrangement for reading out an analog voltage signal

#42
20130265181
2013-10-10

A/D converter circuit, electronic apparatus and A/D conversion method

#43
20130258131
2013-10-03

Photoelectric conversion apparatus and image pickup system

#44
20130201041
2013-08-08

Digital-to-analog converter (DAC) with common mode tracking and analog-to-digital converter (ADC) functionality to measure DAC common mode voltage

#45
20130069808
2013-03-21

Analog frontend for CCD/CIS sensor

#46
20130049713
2013-02-28

A/D conversion apparatus and DC-DC conversion apparatus

#47
20120306674
2012-12-06

Automatic offset adjustment for digital calibration of column parallel single-slope ADCs for image sensors

#48
20120274491
2012-11-01

Gradient-based approach to sample-time mismatch error calibration in a two-channel time-interleaved analog-to-digital converter

#49
20120194368
2012-08-02

Method and system for calibrating column parallel ADCs

#50
20120112938
2012-05-10

A/D converter circuit, electronic apparatus and A/D conversion method

#51
20120105694
2012-05-03

Time AD converter and solid state image pickup device

#52
20120104233
2012-05-03

SOLID-STATE IMAGING DEVICE AND METHOD OF DRIVING THE SAME

#53
20120086588
2012-04-12

System and a method of correcting baseline wander

#54
20120075128
2012-03-29

Successive approximation A/D converter

#55
20120062400
2012-03-15

Analog digital converting device and reference voltage controlling method thereof

#56
20110304489
2011-12-15

Methods of and arrangements for offset compensation of an analog-to-digital converter

#57
20110298642
2011-12-08

CURRENT TRIMMING CIRCUIT AND A/D CONVERTER INCLUDING CURRENT TRIMMING CIRCUIT

#58
20110285563
2011-11-24

Pipelined analog-to-digital converter and sub-converter stage

#59
20110241913
2011-10-06

AD conversion circuit and error correcting method

#60
20110205100
2011-08-25

Analog-to-digital conversion in pixel arrays

#61
20110193730
2011-08-11

Pipelined A/D converter

#62
20110115659
2011-05-19

Offset compensation scheme using a DAC

#63
20110095929
2011-04-28

Analog-to-digital conversion in pixel arrays

#64
20110095926
2011-04-28

Analog-to-digital conversion in pixel arrays using a ramp signal having a single cycle

#65
20110043395
2011-02-24

Digital background calibration in pipelined ADCS

#66
20110037630
2011-02-17

Voltage mode DAC with calibration circuit using current mode DAC and ROM lookup

#67
20110013058
2011-01-20

Analog-to-digital converter circuit and solid-state imaging device

#68
20100289684
2010-11-18

ANALOG-DIGITAL CONVERTER CIRCUIT AND ANALOG-DIGITAL CONVERSION METHOD

#69
20100271247
2010-10-28

Signal generator and method for generating signals for reducing noise in signals

#70
20100149324
2010-06-17

IMAGE PICKUP APPARATUS AND IMAGE PICKUP SYSTEM

#71
20100117877
2010-05-13

Method and apparatus for calibrating a replica digital-to-analog converter

#72
20100102894
2010-04-29

Digitally controlled oscillator with improved digital frequency calibration

#73
20100019943
2010-01-28

Offset compensation scheme using a DAC

#74
20090267675
2009-10-29

Offset compensation using non-uniform calibration

#75
20090256735
2009-10-15

Analog-to-digital conversion in pixel arrays

#76
20090237534
2009-09-24

Analog-to-digital converter, solid-state image pickup device, and camera system

#77
20090237286
2009-09-24

Flash ADC

#78
20090231479
2009-09-17

Image sensor ADC and CDS per column

#79
20090212983
2009-08-27

Integrated circuit device and electronic instrument

#80
20090160984
2009-06-25

Analog to digital converting device and image pickup device for canceling noise, and signal processing method thereof

#81
20090154595
2009-06-18

I-Q mismatch calibration and method

#82
20090103750
2009-04-23

Suppressing output offset in an audio device

#83
20090073011
2009-03-19

Circuit and method for gain error correction in ADC

#84
20090059012
2009-03-05

Programmable digital black level calibration with feedback control

#85
20090058698
2009-03-05

System and method for common mode calibration in an analog to digital converter

#86
20090055127
2009-02-26

METHOD FOR GAIN ERROR ESTIMATION FOR AN ANALOG-TO-DIGITAL CONVERTER

#87
20090040079
2009-02-12

Calibrating replica digital-to-analog converters

#88
20090027246
2009-01-29

Analog-to-digital converter and method of gain error calibration thereof

#89
20090027245
2009-01-29

Method of gain error calibration in a pipelined analog-to-digital converter or a cyclic analog-to-digital converter

#90
20090015454
2009-01-15

Digital-to-analog converter carrying out calibration operation for current source cells

#91
20090002053
2009-01-01

Offset compensation using non-uniform calibration

#92
20080316342
2008-12-25

Accurate gain implementation in CMOS sensor

#93
20080252504
2008-10-16

Method of compensating channel offset voltage for column driver and column driver for LCD implemented thereof

#94
20080211702
2008-09-04

Comparator chain offset reduction

#95
20080181334
2008-07-31

Receiver, wireless device and method for cancelling a DC offset component

#96
20080164915
2008-07-10

Apparatus and method for automatically offsetting linear deviation of V/F converter

#97
20080111723
2008-05-15

DC offset correction apparatus and method

#98
20080094266
2008-04-24

Reducing noise associated with local reference-potential fluctuations in mixed-signal integrated circuits

#99
20080043128
2008-02-21

Image sensor ADC and CDS per column with oversampling

#100
20070216562
2007-09-20

Integrated DSP for a DC offset cancellation loop

#101
20070205934
2007-09-06

Time interleaved analogue/digital conversion device with self adaptive equalisation

#102
20070201171
2007-08-30

Resolver/digital-converter and control system using the resolver/digital-converter

#103
20070200746
2007-08-30

Differential flash ADC with dual resistance ladder legs receiving amplified inputs

#104
20070182606
2007-08-09

Comparator chain offset reduction

#105
20070132868
2007-06-14

Signal generator and method for generating signals for reducing noise in signals

#106
20070132625
2007-06-14

System and method for common mode calibration in an analog to digital converter

#107
20070080844
2007-04-12

Analog-to-digital conversion method and analog to digital converter

#108
20070040716
2007-02-22

Impedance adjustable circuit having on-chip adjustable termination resistor

#109
20070024731
2007-02-01

Method and apparatus for AD conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus

#110
20070024730
2007-02-01

Method and apparatus for AD conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus

#111
20070024729
2007-02-01

METHOD AND APPARATUS FOR AD CONVERSION, SEMICONDUCTOR DEVICE FOR DETECTING DISTRIBUTION OF PHYSICAL QUANTITY, AND ELECTRONIC APPARATUS

#112
20070024728
2007-02-01

Method and apparatus for ad conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus

#113
20070019091
2007-01-25

Method and apparatus for AD conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus

#114
20060232460
2006-10-19

Estimation circuit for time-interleaved ADC and method thereof

#115
20060214724
2006-09-28

Semiconductor integrated circuit device, and adjustment method of semiconductor integrated circuit device

#116
20060208937
2006-09-21

Analog to digital converter

#117
20060012696
2006-01-19

Image sensor ADC and CDS per column

#118
20060012504
2006-01-19

Analog to digital converter using both analog and digital offset voltages as feedback

#119
20050270871
2005-12-08

Semiconductor integrated circuit device, and adjustment method of semiconductor integrated circuit device

#120
20050258989
2005-11-24

Hybrid DC offset cancellation scheme for wireless receiver

#121
20050212971
2005-09-29

Method for setting an A/D converter

#122
20050206548
2005-09-22

Method and apparatus for AD conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus

#123
20050057379
2005-03-17

A/D converter calibration

#124
20050017883
2005-01-27

Analog front end circuit and method of compensating for DC offset in the analog front end circuit

#125
17158526
2022-04-26

Lookup-table-based analog-to-digital converter

#126
17140683
2021-10-12

Calibration of residual errors using least-mean-squares (LMS) and stochastic-gradient methods for an analog-to-digital converter (ADC) with a pre-calibrated lookup table

#127
16840533
2022-03-15

Analog-based DC offset compensation

#128
16374605
2019-12-03

Time error and gain offset estimation in interleaved analog-to-digital converters

#129
16044492
2019-05-21

Time error and gain offset estimation in interleaved analog-to-digital converters

#130
15989362
2019-08-13

Integrated multiplying successive approximation analog to digital converter

#131
15916631
2019-02-26

Temperature reference gain correction for analog-to-digital converter

#132
15632648
2018-01-02

Analog to digital converter and semiconductor apparatus using the same

#133
15613625
2018-03-27

Methods and systems for determining integral non-linearity

#134
14602095
2015-05-19

System and method for digital-to-analog converter calibration