ClassID:

220099

H03F2203/45588 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers the IC comprising offset compensating means

Recent Application in this class:
#1
20260121584
2026-04-30

METHOD OF OPERATING A DIFFERENTIAL AMPLIFIER ARRANGEMENT, CORRESPONDING DIFFERENTIAL AMPLIFIER, INTEGRATED CIRCUIT AND SYSTEM

#2
20230318551
2023-10-05

Differential amplifier capable of offset compensation of differential output signal and adaptive continuous-time linear equalizer including the same

#3
20210119834
2021-04-22

Detector circuit and system for galvanically isolated transmission of digital signals

#4
20200220510
2020-07-09

Circuit arrangement and a method for operating a circuit arrangement

#5
20200184998
2020-06-11

Reducing offset of a differential signal output by a capacitive coupling stage of a hard disk drive preamplifier

#6
20200059200
2020-02-20

Amplifier offset cancellation using amplifier supply voltage

#7
20200021248
2020-01-16

Common mode rejection including temperature drift correction

#8
20190312551
2019-10-10

Amplifier offset and compensation

#9
20190128932
2019-05-02

High precision current sensing using sense amplifier with digital AZ offset compensation

#10
20190097593
2019-03-28

Offset cancellation scheme

#11
20190080830
2019-03-14

Semiconductor device, in-vehicle valve system and solenoid driver

#12
20190013060
2019-01-10

Integrated circuit

#13
20180091107
2018-03-29

Variable gain amplifier, correction method and receiving device

#14
20160300653
2016-10-13

Semiconductor device, in-vehicle valve system and solenoid driver

#15
20160118945
2016-04-28

Offset compensation for sense amplifiers

#16
20160100243
2016-04-07

Headset amplification circuit with error voltage suppression

#17
20160071453
2016-03-10

Differential amplifier and display driver including the same

#18
20160013769
2016-01-14

Auto correction driving device and wireless charger driving system using the same

#19
20150381113
2015-12-31

Phase-dependent operational amplifiers employing phase-based frequency compensation, and related systems and methods

#20
20140340195
2014-11-20

Electronic lock, locking system, method of operating an electronic lock, computer program product

#21
20140340147
2014-11-20

Amplifier circuit and amplification method

#22
20140232464
2014-08-21

Low power high-speed digital receiver

#23
20140225670
2014-08-14

Method and apparatus for correcting asymmetry of an input signal of an amplifier

#24
20140070887
2014-03-13

Impedance compensation for operational amplifiers used in variable environments

#25
20140028286
2014-01-30

Amplifier circuits and methods

#26
20130147553
2013-06-13

Auto-zero amplifier and feedback amplifier circuit using the auto-zero amplifier

#27
20130043943
2013-02-21

Gain stage with DC offset compensation and method thereof

#28
20120308052
2012-12-06

Microphone assembly

#29
20120218043
2012-08-30

Amplifier activation

#30
20120169421
2012-07-05

Audio amplifying circuit with improved noise performance

#31
20120161991
2012-06-28

Offset cancellation for analog to digital converters

#32
20120154048
2012-06-21

Amplifier common-mode control methods

#33
20120153991
2012-06-21

Comparator with offset compensation and improved dynamic range

#34
20120139634
2012-06-07

Circuitry including matched transistor pairs

#35
20120126897
2012-05-24

Input common mode circuit

#36
20120126889
2012-05-24

Low distortion variable gain amplifier (VGA)

#37
20120092072
2012-04-19

Offset compensation for sense amplifiers

#38
20120068765
2012-03-22

Method for offset compensation of a switched-capacitor amplifier and switched capacitor amplifier arrangement

#39
20110316629
2011-12-29

Offset cancellation for differential circuits

#40
20110169565
2011-07-14

Receiving circuit

#41
20110140773
2011-06-16

Circuits and methods for calibrating offset in an amplifier

#42
20110102086
2011-05-05

Input common mode circuit

#43
20110063029
2011-03-17

Semiconductor integrated circuit

#44
20100315167
2010-12-16

Inter-stage matching network to enhance common mode stability

#45
20100301937
2010-12-02

Sensor output circuit

#46
20100301932
2010-12-02

Non-inverting amplifier and voltage supply circuit including the same

#47
20100231287
2010-09-16

Thermal compensation of an exponential pair

#48
20100220828
2010-09-02

Edge-based sampler offset correction

#49
20100202178
2010-08-12

Offset removal circuit, associative memory including the same, and offset voltage removal method

#50
20100148875
2010-06-17

Circuit for compensation of leakage current-induced offset in a single-ended op-amp

#51
20100117687
2010-05-13

TRACK AND HOLD CIRCUITS FOR AUDIO SYSTEMS AND OEPRATIONAL METHODS THEREOF

#52
20100085100
2010-04-08

Low-power clock generation and distribution circuitry

#53
20100066450
2010-03-18

High-Speed Low-Power Differential Receiver

#54
20100019841
2010-01-28

Minimizing changes in common mode voltage at inputs of an operational amplifier used in a switched capacitor differential amplifier

#55
20090231033
2009-09-17

Amplifier circuit

#56
20090212983
2009-08-27

Integrated circuit device and electronic instrument

#57
20090212856
2009-08-27

Analog amplifier having DC offset cancellation circuit and method of offset cancellation for analog amplifiers

#58
20090201086
2009-08-13

Current sense amplifier with extended common mode voltage range

#59
20090096524
2009-04-16

Differential amplification circuit and manufacturing method thereof

#60
20090079502
2009-03-26

Differential circuit providing a function to cancel input offset voltage

#61
20090067545
2009-03-12

Receiver of high speed digital interface

#62
20090058525
2009-03-05

Common-mode bandwidth reduction circuit and method for differential applications

#63
20090027125
2009-01-29

Common mode rejection calibration method for difference amplifiers

#64
20090027113
2009-01-29

Reference voltage generating circuit and offset-compensated current-voltage converting circuit using the same

#65
20090021284
2009-01-22

Low voltage differential signal receiver

#66
20080265969
2008-10-30

Receiver for a differential data bus

#67
20080258809
2008-10-23

Amplifier device capable of reducing offset voltage

#68
20080204567
2008-08-28

SAMPLE AND HOLD CIRCUITS WITH BUFFER OFFSET REMOVED

#69
20080157847
2008-07-03

DC offset calibration apparatus and method for differential signals

#70
20080122539
2008-05-29

Signal amplification device

#71
20080068075
2008-03-20

Trifferential amplifier and trifferential amplifier system

#72
20080012642
2008-01-17

Serial link receiver with wide input voltage range and tolerance to high power voltage supply

#73
20070285166
2007-12-13

Fully differential sensing apparatus and input common-mode feedback circuit thereof

#74
20070257712
2007-11-08

Low Current, High Gain, Single to Differential Buffer

#75
20070236289
2007-10-11

Differential amplifier, digital-to-analog converter and display device

#76
20070236285
2007-10-11

Full swing amplifying circuit and applications thereof

#77
20070200622
2007-08-30

Modulator apparatus operating at low supply voltage, and corresponding method of modulation

#78
20070200620
2007-08-30

Offset cancellation amplifier, display employing the offset cancellation amplifier and method for controlling the offset cancellation amplifier

#79
20070200619
2007-08-30

Preamplifier circuits and methods of calibrating an offset in the same

#80
20070194846
2007-08-23

Multiplier-transimpedance amplifier combination with input common mode feedback

#81
20070188223
2007-08-16

Operational amplifier

#82
20070129903
2007-06-07

Digital signal offset adjusting apparatus and pulse pattern generator using the same

#83
20070115047
2007-05-24

Differential amplifier arrangement

#84
20070109043
2007-05-17

Operational amplifier with zero offset

#85
20070058438
2007-03-15

Differential amplifier circuit and semiconductor device

#86
20070013440
2007-01-18

Analog amplifier having DC offset cancellation circuit and method of offset cancellation for analog amplifiers

#87
20070008035
2007-01-11

Wide-band high-gain limiting amplifier with parallel resistor-transistor source loads

#88
20060284671
2006-12-21

Variable gain amplifier circuit, method of correcting DC offset of the variable gain amplifying circuit, and radio receiving apparatus

#89
20060255855
2006-11-16

Offset adjusting circuit and operational amplifier circuit