ClassID:

222449

H03M1/745 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Digital/analogue converters; Simultaneous conversion using current sources as quantisation value generators with weighted currents

Recent Application in this class:
#1
20250392321
2025-12-25

BIAS CIRCUIT FOR AN ACTIVE PHASE SHIFTER

#2
20250323661
2025-10-16

REDUCING NON-LINEARITY IN A DIGITAL-TO-TIME CONVERTER (DTC) DUE TO UNEQUAL SUCCESSIVE INPUT CODES SPECIFYING RESPECTIVE DELAYS

#3
20250323652
2025-10-16

REDUCING NON-LINEARITY IN A DIGITAL-TO-TIME CONVERTER (DTC) WHEN AN INPUT CLOCK CHANGES BETWEEN LOWER AND HIGHER PERIODS

#4
20240187018
2024-06-06

Digital-to-analog converter

#5
20240113727
2024-04-04

DIGITAL-TO-ANALOG CONVERTERS WITH TRIODE SWITCHES

#6
20240105090
2024-03-28

DIGITAL-TO-ANALOG CONVERSION CIRCUIT, DATA DRIVER, AND DISPLAY DEVICE

#7
20230361783
2023-11-09

DIGITAL-TO-ANALOG CONVERTER

#8
20230291390
2023-09-14

BASEBAND FILTER FOR CURRENT-MODE SIGNAL PATH

#9
20230148381
2023-05-11

Apparatus and method of enhancing linearity and expanding output amplitude for current-steering digital-to-analog converters (DAC)

#10
20230015011
2023-01-19

APPARATUS AND METHOD FOR CONVERSION BETWEEN ANALOG AND DIGITAL DOMAINS WITH A TIME STAMP

#11
20220021397
2022-01-20

Binary weighted current source and digital-to-analog converter

#12
20210121701
2021-04-29

Current generation architecture for an implantable stimulator device to promote current steering between electrodes

#13
20210064979
2021-03-04

Computing circuitry

#14
20200412416
2020-12-31

Instantaneous beamforming exploiting user physical signatures

#15
20200127675
2020-04-23

SOC baseband chip and mismatch calibration circuit for a current steering digital-to-analog converter thereof

#16
20200099389
2020-03-26

Apparatus and method for measuring current source mismatches in current-steering DAC by re-using R2R network

#17
20190372580
2019-12-05

Current steering structure with improved linearity

#18
20190229739
2019-07-25

Digital-to-analog conversion circuit

#19
20190190556
2019-06-20

Apparatus and method for conversion between analog and digital domains with a time stamp

#20
20190138884
2019-05-09

Conversion of digital signals into spiking analog signals

#21
20190083796
2019-03-21

Current generation architecture for an implantable stimulator device to promote current steering between electrodes

#22
20180367106
2018-12-20

High-voltage digital power amplifier with sinusoidal output for RFID

#23
20180351508
2018-12-06

Oscillator

#24
20180341352
2018-11-29

Current output circuit

#25
20180191363
2018-07-05

Digital-to-analog conversion circuit

#26
20180167077
2018-06-14

Circuits for current recycling and related methods

#27
20180131385
2018-05-10

Digital analog conversion circuit, data driver, display device, electronic apparatus and driving method of digital analog conversion circuit, driving method of data driver, and driving method of display device

#28
20170371457
2017-12-28

Current output circuit

#29
20170317809
2017-11-02

Systems and methods of antenna design for full-duplex line of sight transmission

#30
20170317724
2017-11-02

Instantaneous beamforming exploiting user physical signatures

#31
20170317684
2017-11-02

Wireless-transmitter circuits including power digital-to-amplitude converters

#32
20170041014
2017-02-09

Calibration technique for current steering DAC

#33
20170005669
2017-01-05

Semiconductor device and electronic device

#34
20160269041
2016-09-15

Digital-to-analog converter circuit

#35
20160233878
2016-08-11

Current output circuit

#36
20160126973
2016-05-05

Current type D/A converter, delta sigma modulator, and communications device

#37
20160099820
2016-04-07

Wireless-transmitter circuits including power digital-to-amplitude converters

#38
20160087614
2016-03-24

System for generating an analogue signal

#39
20160056832
2016-02-25

Digital-to-analog converter (DAC), method for operating a DAC and transceiver circuit

#40
20150333764
2015-11-19

Digital-to-analog converter circuit for use in a power converter

#41
20150249454
2015-09-03

Fast settling mixed signal phase interpolator with integrated duty cycle correction

#42
20150222249
2015-08-06

Channel select filter apparatus and method

#43
20150214977
2015-07-30

Improving the accuracy of an exponential current digital-to-analog converter (IDAC) using a binary-weighted MSB

#44
20150123713
2015-05-07

Optically clocked digital/analog converter and a DDS unit with such a converter

#45
20150092889
2015-04-02

Method and apparatus for calibrating an input interface

#46
20150070074
2015-03-12

Circuitry and methods for use in mixed-signal circuitry

#47
20140253356
2014-09-11

Digital-to-analogue converter

#48
20140227989
2014-08-14

Semiconductor circuit, D/A converter, mixer circuit, radio communication device, method for adjusting threshold voltage, and method for determining quality of transistor

#49
20140211055
2014-07-31

Solid-state imaging device, imaging device, electronic equipment, A/D converter and A/D conversion method

#50
20140203957
2014-07-24

Continuous time input stage

#51
20140152481
2014-06-05

Integrated circuit device and method of dynamically modifying at least one characteristic within a digital to analogue converter module

#52
20140152479
2014-06-05

Digital to analog converters with adjustable output resolution

#53
20130293405
2013-11-07

Segmented digital-to-analog converter having weighted current sources

#54
20130257523
2013-10-03

Calibration circuit apparatus and method

#55
20130252559
2013-09-26

DA converter and wireless communication apparatus

#56
20130222167
2013-08-29

Tree structured supply and bias distribution layout

#57
20130222162
2013-08-29

Digital to analog converter

#58
20130169458
2013-07-04

Isolation circuit for a digital-to-analog converter

#59
20130120177
2013-05-16

Data converter current sources using thin-oxide core devices

#60
20130099950
2013-04-25

Transmission circuit, ultrasonic probe and ultrasonic image display apparatus

#61
20130057420
2013-03-07

Digital-to-analog converter

#62
20120306671
2012-12-06

Measurement method and apparatus for ADC calibration

#63
20120229315
2012-09-13

N-bit digital-to-analog converting device

#64
20120218135
2012-08-30

TRANSMISSION CIRCUIT, ULTRASONIC PROBE AND ULTRASONIC IMAGE DISPLAY APPARATUS

#65
20120176263
2012-07-12

CURRENT SWITCH CIRCUIT AND DA CONVERTER

#66
20120161997
2012-06-28

Digital-to-analog conversion device

#67
20120147944
2012-06-14

High resolution output driver

#68
20120068869
2012-03-22

Compact digital-to-analog converter

#69
20120056768
2012-03-08

DIGITAL/ANALOG CONVERTER

#70
20110285453
2011-11-24

Compensation of nonlinearity of single ended digital to analog converters

#71
20110282924
2011-11-17

Channel select filter apparatus and method

#72
20110279723
2011-11-17

Signal processing circuit, solid-state imaging device, and camera system

#73
20110241915
2011-10-06

Digital-to-analog converter

#74
20110205097
2011-08-25

Digital-to-analog converter, analog-to-digital converter, and semiconductor device

#75
20110193733
2011-08-11

Output apparatus and test apparatus

#76
20110181453
2011-07-28

Compact digital-to-analog converter

#77
20110169990
2011-07-14

CURRENT GENERATION CIRCUIT, AND SINGLE-SLOPE ADC AND CAMERA USING THE SAME

#78
20110150125
2011-06-23

Digital RF converter, digital RF modulator and transmitter including the same

#79
20110074994
2011-03-31

Solid-state imaging device, imaging device, electronic equipment, A/D converter and A/D conversion method

#80
20110050967
2011-03-03

DA converter and solid-state imaging device that provides reduced power consumption

#81
20110050470
2011-03-03

Digital-to-analog converter

#82
20110043399
2011-02-24

Return to zero digital to analog converter and converting method thereof

#83
20110037511
2011-02-17

MULTIPLE SIGNAL SWITCHING CIRCUIT, CURRENT SWITCHING CELL CIRCUIT, LATCH CIRCUIT, CURRENT STEERING TYPE DAC, SEMICONDUCTOR INTEGRATED CIRCUIT, VIDEO DEVICE, AND COMMUNICATION DEVICE

#84
20110012770
2011-01-20

D/A converter and semiconductor integrated circuit including the same

#85
20110001560
2011-01-06

Amplifiers with input offset trim and methods

#86
20100327962
2010-12-30

Semiconductor integrated circuit

#87
20100309036
2010-12-09

Multiplying-adding return to zero digital to analog converter circuit and method

#88
20100283642
2010-11-11

Digital-to-analog converter

#89
20100213983
2010-08-26

Amplifiers with input offset trim and methods

#90
20100207967
2010-08-19

Hybrid digital to analog converter, source driver, and liquid crystal display device

#91
20100182180
2010-07-22

D/A converter, differential switch, semiconductor integrated circuit, video apparatus, and communication apparatus

#92
20100156867
2010-06-24

Digital-to-analog converter, source driving circuit and display device having the same

#93
20100149009
2010-06-17

Calibration method, A/D converter, and radio device

#94
20100141496
2010-06-10

D/A conversion circuit

#95
20100141495
2010-06-10

Digital-analog converter

#96
20100072821
2010-03-25

Semiconductor device

#97
20100045375
2010-02-25

Device for the low-distortion transformation, particularly amplification of signals

#98
20100027711
2010-02-04

Digital linear transmitter architecture

#99
20100001793
2010-01-07

HIGH EFFICIENCY MODULATING RF AMPLIFIER

#100
20090309775
2009-12-17

D/A converter and semiconductor integrated circuit including the same

#101
20090303095
2009-12-10

Display panel driver

#102
20090278723
2009-11-12

Digital to analog converter

#103
20090257513
2009-10-15

Bit reduction in a transmitter

#104
20090201187
2009-08-13

Digital-to-analog converter, analog-to-digital converter, and semiconductor device

#105
20090195425
2009-08-06

Method and device for digital-to-analog conversion with filtering

#106
20090179783
2009-07-16

D/A conversion circuit, organic EL drive circuit and organic EL display device

#107
20090167579
2009-07-02

D/A conversion circuit

#108
20090140902
2009-06-04

Digital-analog converter and camera module having the same

#109
20090140778
2009-06-04

Differential drive circuit and communication device

#110
20090128387
2009-05-21

Folded R-2R ladder current-steering digital to analog converter

#111
20090095884
2009-04-16

Semiconductor integrated circuit device

#112
20090085782
2009-04-02

Adjustable DAC and applications thereof

#113
20090074125
2009-03-19

Time-interleaved clock-data recovery and method thereof

#114
20090073013
2009-03-19

Method for performing a digital to analog conversion of a digital signal, and corresponding electronic device

#115
20090058704
2009-03-05

Design structure for a digital-to-analog converter using dual-gate transistors

#116
20090058703
2009-03-05

Digital-to-analog converter using dual-gate transistors

#117
20090045993
2009-02-19

Current steering DAC

#118
20080291068
2008-11-27

Current output circuit with bias control and method thereof

#119
20080068242
2008-03-20

Floating gate digital-to-analog converter

#120
20080042048
2008-02-21

Digital-to-analog converter, analog-to-digital converter, and semiconductor device

#121
20080036637
2008-02-14

Current addition type digital analog converter

#122
20080036385
2008-02-14

Organic EL drive circuit with a D/A converter circuit and organic EL display device using the same

#123
20070290911
2007-12-20

High resolution digital-to-analog converter

#124
20070279270
2007-12-06

Current-output type digital-to-analog converter

#125
20070273566
2007-11-29

D/A converter circuit, organic EL drive circuit, and organic EL display

#126
20070262893
2007-11-15

Techniques for biasing a radio frequency digital to analog converter

#127
20070252739
2007-11-01

Differential current-steering digital-to-analog converter

#128
20070229677
2007-10-04

Semiconductor integrated circuit device

#129
20070222654
2007-09-27

Increasing data throughput in optical fiber transmission systems

#130
20070194966
2007-08-23

Floating gate digital-to-analog converter

#131
20070121716
2007-05-31

Transmitter architecture for high-speed communications

#132
20070085721
2007-04-19

Signal converters with multiple gate devices

#133
20070080838
2007-04-12

Digital-to-analog converter, analog-to-digital converter, and semiconductor device

#134
20070057831
2007-03-15

Current output circuit

#135
20070052455
2007-03-08

Low-power multi-level pulse amplitude modulation driver and semiconductor device having the driver

#136
20060279260
2006-12-14

Current output type of semiconductor circuit, source driver for display drive, display device, and current output method

#137
20060255995
2006-11-16

Floating gate digital-to-analog converter

#138
20060232461
2006-10-19

Successive approximation analog-to-digital converter with current steered digital-to-analog converter

#139
20060192590
2006-08-31

Differential switching circuit and digital-to-analog converter

#140
20060181259
2006-08-17

Current driver

#141
20060071837
2006-04-06

Apparatus for digital-analog conversion of a signal

#142
20060066463
2006-03-30

High resolution and low consumption digital-to-analog converter

#143
20060061499
2006-03-23

High-speed and high-accuracy digital-to-analog converter

#144
20060055640
2006-03-16

Active matrix display device and digital-to-analog converter

#145
20060049971
2006-03-09

Sub-ranging digital to analog converter for radiofrequency amplification

#146
20060017596
2006-01-26

Method and apparatus for forming transient response characteristics

#147
20060017589
2006-01-26

Digital-to-analog converting circuit, electrooptical device, and electronic apparatus

#148
20050285770
2005-12-29

Current mode analog-to-digital converter using parallel, time-interleaved successive approximation subcircuits

#149
20050200509
2005-09-15

Current cell matrix type digital-to-analog converter

#150
20050200508
2005-09-15

Traveling wave, multiplying D/A converter

#151
20050191976
2005-09-01

Reconfigurable transmitter with direct digital to RF modulator

#152
20050190854
2005-09-01

Polar transmitter with digital to RF converter

#153
20050189595
2005-09-01

Semiconductor device comprising transistor pair isolated by trench isolation

#154
20050174099
2005-08-11

Current drive circuit, light emitting element drive circuit and digital-analog converter

#155
20050140601
2005-06-30

Current generation circuit, method of driving current generation circuit, electro-optical device, and electronic device

#156
20050128117
2005-06-16

Differential switching circuit and digital-to-analog converter

#157
20050111573
2005-05-26

RF transmitter using digital-to-RF conversion

#158
20050093619
2005-05-05

Systems and methods for generating a current

#159
20050052298
2005-03-10

Digital-to-analog converter circuits including independently sized reference current source transistors and methods of operating same

#160
20050035892
2005-02-17

Split cell bowtie digital to analog converter and method

#161
20050030214
2005-02-10

Digital-to-analog converting circuit, electrooptical device, and electronic apparatus

#162
16916309
2020-11-03

Differential clock duty cycle correction with hybrid current injectors and tapered digital to analog converter

#163
16791071
2020-09-22

Differential clock duty cycle correction with hybrid current injectors and tapered digital to analog converter

#164
16746895
2020-11-03

Nonlinear data conversion for multi-quadrant multiplication in artificial intelligence

#165
16746893
2020-10-13

Tiny factorized data-converters for artificial intelligence signal processing

#166
16730539
2022-03-15

Current-mode analog multiply-accumulate circuits for artificial intelligence

#167
16550582
2020-05-05

Multi-path dual-switch digital-to-analog converter

#168
16108003
2019-09-17

Timing error measurement in current steering digital to analog converters

#169
15589684
2018-01-09

Digital-to-analog converter

#170
14725323
2016-03-29

Segmented DAC

#171
14721481
2016-05-10

Precision sub-RADIX2 DAC with analog weight based calibration

#172
14445054
2015-09-15

Current switching digital-to-analog converter with hybrid current switching circuit having low-memory effect