ClassID:

220145

H03F2203/45681 - 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 LC comprising offset compensating means

Recent Application in this class:
#1
20200328723
2020-10-15

Method for aliasing reduction in auto zero amplifier

#2
20200059200
2020-02-20

Amplifier offset cancellation using amplifier supply voltage

#3
20190181818
2019-06-13

Magnetic operational amplifier

#4
20190013060
2019-01-10

Integrated circuit

#5
20180254756
2018-09-06

Optical receiver

#6
20180198421
2018-07-12

Circuit with voltage drop element

#7
20150357980
2015-12-10

Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier

#8
20140266440
2014-09-18

Offset cancellation with minimum noise impact and gain-bandwidth degradation

#9
20140218114
2014-08-07

Complementary low noise transductor with active single ended to differential signal conversion

#10
20140028286
2014-01-30

Amplifier circuits and methods

#11
20130342274
2013-12-26

DC-coupled peak detector

#12
20130300484
2013-11-14

Offset-compensated active load and method

#13
20130147553
2013-06-13

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

#14
20120313703
2012-12-13

Restoring output common-mode of amplifier via capacitive coupling

#15
20120013400
2012-01-19

Current control circuit, class AB operational amplifier system and current control method

#16
20110299577
2011-12-08

Differential driver with common mode voltage tracking and method

#17
20110140773
2011-06-16

Circuits and methods for calibrating offset in an amplifier

#18
20110057718
2011-03-10

Apparatus and method for offset drift trimming

#19
20100301932
2010-12-02

Non-inverting amplifier and voltage supply circuit including the same

#20
20100231297
2010-09-16

ELECTRONIC DEVICE FOR SELF OSCILLATING CLASS D SYSTEM

#21
20100176879
2010-07-15

Method and device for performing offset cancellation in an amplifier using floating-gate transistors

#22
20100127736
2010-05-27

Low voltage differential signaling driver with programmable on-chip resistor termination

#23
20100019946
2010-01-28

Amplifier networks with controlled common-mode level and converter systems for use therewith

#24
20100019848
2010-01-28

Complementary low noise transductor with active single ended to differential signal conversion

#25
20100019842
2010-01-28

Low-noise, wide offset range, programmable input offset amplifier front end and method

#26
20100007417
2010-01-14

Differential amplifier with symmetric circuit topology

#27
20090309857
2009-12-17

Operational amplifter circuit, and driving method of liquid crystal display using the same

#28
20090302895
2009-12-10

Constant output common mode voltage of a pre-amplifier circuit

#29
20090295479
2009-12-03

Amplifier and offset regulating circuit

#30
20090289713
2009-11-26

Differential amplifier circuit having offset adjustment circuit

#31
20090267695
2009-10-29

Class AB output stage with programmable bias point control

#32
20090191833
2009-07-30

High performance CMOS radio frequency receiver

#33
20090167437
2009-07-02

Common mode feedback circuit supporting dual data rate, programmable gain amplifier having the same, and image sensor having the programmable gain amplifier

#34
20090167402
2009-07-02

Dual barrel receiver equalization architecture

#35
20090146722
2009-06-11

Systems and Arrangements to Provide Input Offset Voltage Compensation

#36
20090108936
2009-04-30

Combination trim and CMFB circuit and method for differential amplifiers

#37
20090108929
2009-04-30

Apparatuses and methods for providing offset compensation for operational amplifier

#38
20090108881
2009-04-30

Latch-based sense amplifier

#39
20090102560
2009-04-23

Slew-enhanced input stages and amplifiers

#40
20090085662
2009-04-02

Common mode voltage extraction circuit

#41
20090079499
2009-03-26

Differential Low Noise Amplifier (LNA) With Common Mode Feedback And Gain Control

#42
20090066394
2009-03-12

Peaking control circuit

#43
20090058525
2009-03-05

Common-mode bandwidth reduction circuit and method for differential applications

#44
20090027125
2009-01-29

Common mode rejection calibration method for difference amplifiers

#45
20090027107
2009-01-29

Semiconductor device and offset voltage adjusting method

#46
20090021284
2009-01-22

Low voltage differential signal receiver

#47
20080290940
2008-11-27

Differential low noise amplifier (LNA) with common mode feedback and gain control

#48
20080258809
2008-10-23

Amplifier device capable of reducing offset voltage

#49
20080246543
2008-10-09

Common mode feedback for large output swing and low differential error

#50
20080238521
2008-10-02

Low differential output voltage circuit

#51
20080231365
2008-09-25

Operational amplifier

#52
20080204106
2008-08-28

Signal adjustment techniques

#53
20080157873
2008-07-03

Fully differential amplification device

#54
20080157847
2008-07-03

DC offset calibration apparatus and method for differential signals

#55
20080136522
2008-06-12

Amplifier with current mirror bias adjust

#56
20080088616
2008-04-17

Buffer amplifier, driver IC and display apparatus using that driver IC

#57
20080074189
2008-03-27

Continuous time common-mode feedback module and method with wide swing and good linearity

#58
20080068083
2008-03-20

Continuous time common mode feedback circuit, system, and method

#59
20080061877
2008-03-13

Common mode regulation for thermal tail compensation

#60
20080055004
2008-03-06

Amplifiers, methods of increasing current gain in amplifiers, and imaging devices

#61
20080048780
2008-02-28

Linearization apparatus of triode region type operational transconductance amplifier

#62
20080037617
2008-02-14

Differential driver with common-mode voltage tracking and method

#63
20080018401
2008-01-24

Variable gain amplifier with wide gain variation and wide bandwidth

#64
20080009255
2008-01-10

Peak detector and fixed gain amplifier circuit for automatic gain control and variable gain amplifier circuit

#65
20070273443
2007-11-29

Operational amplifier circuit

#66
20070236289
2007-10-11

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

#67
20070236285
2007-10-11

Full swing amplifying circuit and applications thereof

#68
20070222509
2007-09-27

Amplifier circuit

#69
20070222506
2007-09-27

Op driver with the function of canceling op offset

#70
20070210860
2007-09-13

Method and device for performing offset cancellation in an amplifier using floating-gate transistors

#71
20070200620
2007-08-30

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

#72
20070200619
2007-08-30

Preamplifier circuits and methods of calibrating an offset in the same

#73
20070194846
2007-08-23

Multiplier-transimpedance amplifier combination with input common mode feedback

#74
20070188231
2007-08-16

Multi-path common mode feedback for high speed multi-stage amplifiers

#75
20070188223
2007-08-16

Operational amplifier

#76
20070182615
2007-08-09

Programmable amplitude line driver

#77
20070139116
2007-06-21

Fully differential amplifier with continuous-time offset reduction

#78
20070129903
2007-06-07

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

#79
20070115057
2007-05-24

Variable gain device

#80
20070096818
2007-05-03

Variable-gain amplifier and related method

#81
20070070536
2007-03-29

Apparatus and method for controlling common mode voltage of a disk drive write head

#82
20070058438
2007-03-15

Differential amplifier circuit and semiconductor device

#83
20070052451
2007-03-08

DIFFERENTIAL INVERTER CIRCUIT

#84
20070008035
2007-01-11

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

#85
20070001764
2007-01-04

Signal dependent biasing scheme for an amplifier

#86
20070001763
2007-01-04

Apparatus and method for canceling DC output offset

#87
20060255855
2006-11-16

Offset adjusting circuit and operational amplifier circuit

#88
20060226877
2006-10-12

Operational amplifier with less offset

#89
20060202721
2006-09-14

Differential comparator with extended common mode voltage range

#90
20050024149
2005-02-03

Apparatus and method for converting a fully-differential class-AB input signal to a rail-to-rail single ended output signal

#91
20050012526
2005-01-20

Differential inverter circuit