H03F2203/45534 - CPC Classification Index

#1

20220376660

2022-11-24

ELECTRICAL CIRCUIT

#2

20200403578

2020-12-24

Amplifier configurable into multiple modes

#3

20200266799

2020-08-20

Compensation for binary weighted divider

#4

20200052655

2020-02-13

Operational amplifier and control method thereof

#5

20190267952

2019-08-29

Miller compensation circuit and electronic circuit

#6

20190266121

2019-08-29

Methods and apparatuses for differential signal termination

#7

20190250197

2019-08-15

Impedance measuring semiconductor circuit

#8

20190242929

2019-08-08

Current detection circuit

#9

20190187734

2019-06-20

Reference voltage generator

#10

20190131935

2019-05-02

Circuit having high-pass filter with variable corner frequency

#11

20190013819

2019-01-10

Digital-to-analog converter circuit, corresponding device and method

#12

20180342996

2018-11-29

SEMICONDUCTOR INTEGRATED CIRCUIT, VARIABLE GAIN AMPLIFIER, AND SENSING SYSTEM

#13

20180323762

2018-11-08

Dynamic correction of gain error in current-feedback instrumentation amplifiers

#14

20180302049

2018-10-18

Semiconductor device, semiconductor system, and control method of semiconductor device

#15

20180217960

2018-08-02

Methods and apparatuses for differential signal termination

#16

20180120883

2018-05-03

Reference voltage generation circuit, regulator, and semiconductor device

#17

20180097492

2018-04-05

Semiconductor integrated circuit, variable gain amplifier, and sensing system

#18

20180097490

2018-04-05

Circuit and method for a high common mode rejection amplifier by using a digitally controlled gain trim circuit

#19

20180062646

2018-03-01

Low capacitance switch for programmable gain amplifier or programable gain instrumentation amplifier

#20

20180026596

2018-01-25

Selectable programmable gain or operational amplifier

#21

20170201827

2017-07-13

Headphone driver, a sound system that incorporates the headphone driver and a computing system that incorporates the headphone driver

#22

20170187335

2017-06-29

Amplifying electronic circuit with reduced start-up time for a signal including quadrature components

#23

20170054416

2017-02-23

Class-D audio amplifier

#24

20170026004

2017-01-26

Off-state isolation enhancement for feedback amplifiers

#25

20160320783

2016-11-03

Reference voltage generation circuit including resistor arrangements

#26

20160301403

2016-10-13

Filtered sampling circuit and a method of controlling a filtered sampling circuit

#27

20160299519

2016-10-13

Zero drift, limitless and adjustable reference voltage generation

#28

20160164477

2016-06-09

Electric amplifier circuit for amplifying an output signal of a microphone

#29

20160142017

2016-05-19

Reconfigurable operational amplifier

#30

20160099695

2016-04-07

Semiconductor integrated circuit, variable gain amplifier, and sensing system

#31

20160099694

2016-04-07

Wide range transimpedance amplifier

#32

20160094193

2016-03-31

Selectable programmable gain or operational amplifier

#33

20150381129

2015-12-31

Variable gain transimpedance amplifier

#34

20150122035

2015-05-07

Detection device, sensor, electronic apparatus, and moving object

#35

20150116035

2015-04-30

Digital calibration of programmable gain amplifiers

#36

20150048885

2015-02-19

Gain control circuit and method capable of easing leakage current influence

#37

20140300417

2014-10-09

Amplifiers with boosted or deboosted source degeneration inductance

#38

20140197828

2014-07-17

Amplifier and signal processing device

#39

20140104001

2014-04-17

Amplifier circuit

#40

20140097899

2014-04-10

Amplification circuit and method therefor

#41

20130271219

2013-10-17

Apparatus and methods for frequency compensation of an amplifier

#42

20130208922

2013-08-15

Integrated amplifier for driving acoustic transducers

#43

20130187715

2013-07-25

Amplifier

#44

20130187710

2013-07-25

Amplifier circuit

#45

20130161492

2013-06-27

Switching circuit, charge sense amplifier including switching circuit, and photon counting device including switching circuit

#46

20130154740

2013-06-20

TECHNIQUES FOR PGA LINEARITY

#47

20130154728

2013-06-20

Adaptive filtering of blocker signals in demodulators

#48

20130113569

2013-05-09

Cross-coupled multipath feedforward operational amplifiers

#49

20130106521

2013-05-02

Operational amplifying device

#50

20120326696

2012-12-27

Variable voltage generation circuit

#51

20120293353

2012-11-22

Operational amplifier

#52

20120293250

2012-11-22

Amplifier

#53

20120229204

2012-09-13

Switched capacitor circuit

#54

20120200351

2012-08-09

Offset correction circuit

#55

20120194252

2012-08-02

METHOD OF SHIFTING AUTO-ZERO VOLTAGE IN ANALOG COMPARATORS

#56

20120119930

2012-05-17

Background calibration method for fixed gain amplifiers

#57

20120119828

2012-05-17

Variable gain amplifier and audio device

#58

20120098597

2012-04-26

Switch for use in a programmable gain amplifier

#59

20120086508

2012-04-12

Circuit for thermal protection in audio power amplifier and method thereof

#60

20120086434

2012-04-12

Wide-dynamic range electrometer with a fast response

#61

20120068766

2012-03-22

Sample-and-hold amplifier

#62

20120062320

2012-03-15

Anti-pop circuit

#63

20110181362

2011-07-28

Signal processing circuit

#64

20110163803

2011-07-07

Programmable gain amplifier and embedded filter

#65

20110140945

2011-06-16

Gain circuit

#66

20110133970

2011-06-09

Multipath amplifier

#67

20110043279

2011-02-24

Electronic volume circuit

#68

20110012588

2011-01-20

Wide-dynamic range electrometer with a fast response

#69

20100327887

2010-12-30

Chopper-stabilized instrumentation amplifier for impedance measurement

#70

20100321112

2010-12-23

Anti-pop circuit

#71

20100301917

2010-12-02

Level shift circuit

#72

20100295522

2010-11-25

Semiconductor device having voltage regulator

#73

20100289582

2010-11-18

Fully-differential amplifier circuit

#74

20100271126

2010-10-28

Matched integrated electronic components

#75

20100237936

2010-09-23

Amplifier circuit and magnetic sensor

#76

20100184399

2010-07-22

Switched current resistor programmable gain array for low-voltage wireless LAN and method using the same

#77

20100182080

2010-07-22

DC-offset cancelled programmable gain array for low-voltage wireless LAN system and method using the same

#78

20100128898

2010-05-27

METHOD AND APPARATUS FOR OPERATION SEQUENCING OF AUDIO AMPLIFIERS

#79

20100060361

2010-03-11

Bias balancing circuit

#80

20100060324

2010-03-11

Voltage/current conversion circuit

#81

20100052741

2010-03-04

Dual integrator circuit for analog front end (AFE)

#82

20100045383

2010-02-25

Variable gain circuit

#83

20100033240

2010-02-11

Chopper-stabilized instrumentation amplifier for impedance measurement

#84

20090295363

2009-12-03

Voltage reference with improved linearity addressing variable impedance characteristics at output node

#85

20090289703

2009-11-26

Offset cancellation circuit and display device

#86

20090284242

2009-11-19

System and method for generating a reference voltage

#87

20090267693

2009-10-29

Resistor self-trim circuit for increased performance

#88

20090231029

2009-09-17

Combination offset voltage and bias current auto-zero circuit

#89

20090219085

2009-09-03

Differential to single-ended conversion circuit and comparator using the circuit

#90

20090079501

2009-03-26

Programmable gain circuit and amplification circuit

#91

20090066419

2009-03-12

Variable gain amplifier circuits

#92

20090040165

2009-02-12

Amplifying circuit and display unit

#93

20090009240

2009-01-08

Amplifier circuit

#94

20080284507

2008-11-20

Autozeroing current feedback instrumentation amplifier

#95

20080252378

2008-10-16

Gain adjustment for programmable gain amplifiers

#96

20080246544

2008-10-09

Offset adjustment device, semiconductor device, display device, offset adjustment method, noise detection device, and noise detection method

#97

20080183098

2008-07-31

Chopper-stabilized instrumentation amplifier for impedance measurement

#98

20080100380

2008-05-01

Operational amplifier and display device

#99

20080079492

2008-04-03

Differential amplifier

#100

20080074167

2008-03-27

Selecting circuit

#101

20080061873

2008-03-13

Gain adjustment for programmable gain amplifiers

#102

20080061872

2008-03-13

Gain adjustment for programmable gain amplifiers

#103

20070241820

2007-10-18

Drive circuit containing amplifier circuit

#104

20070228258

2007-10-04

Amplifier circuit and optical pickup device

#105

20070222514

2007-09-27

Differential difference amplifier

#106

20070176664

2007-08-02

Programmable gain attenuator for track and hold amplifiers

#107

20070170976

2007-07-26

Amplifier input switch configuration with improved PSRR

#108

20070170974

2007-07-26

Amplifier feedback switch configuration with improved PSRR

#109

20070075769

2007-04-05

Circuit configuration having a feedback operational amplifier

#110

20070075768

2007-04-05

Circuit configuration having a feedback operational amplifier

#111

20070052476

2007-03-08

Charging circuit and control method and integrated circuit utilizing the same

#112

20070045519

2007-03-01

Photocurrent amplifier circuit and optical pick-up device

#113

20060261860

2006-11-23

DC to DC converter and voltage detecting circuit and current detecting circuit thereof

#114

20060159292

2006-07-20

Method and topology to switch an output stage in a class ab audio amplifier for wireless applications

#115

20060091955

2006-05-04

Circuits and methods for improving slew rate of differential amplifiers

#116

16387532

2020-05-26

Circuit and method for biasing transistor