H03F2203/45244 - CPC Classification Index

#1

20220278662

2022-09-01

Operational Amplifier

#2

20220166391

2022-05-26

Amplifier

#3

20200177132

2020-06-04

Semiconductor device outputting reference voltage

#4

20200007089

2020-01-02

Low noise differential amplifier

#5

20190363678

2019-11-28

Amplifier circuitry, voltage regulator circuit, and signal compensation method

#6

20190305734

2019-10-03

Differential power amplifier

#7

20190273471

2019-09-05

Low noise differential amplifier

#8

20190041890

2019-02-07

Current compensation circuit

#9

20190006998

2019-01-03

Amplifier arrangement and switched capacitor integrator

#10

20180212573

2018-07-26

Bias modulation active linearization for broadband amplifiers

#11

20180102741

2018-04-12

Semiconductor device

#12

20170366147

2017-12-21

Differential circuits with constant Gbias

#13

20170353165

2017-12-07

Differential amplifiers

#14

20170222608

2017-08-03

Adaptive bias circuit for a radio frequency (RF) amplifier

#15

20170077883

2017-03-16

Self-regulated reference for switched capacitor circuit

#16

20170003697

2017-01-05

Current source and current supply system with hysteresis

#17

20160218688

2016-07-28

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#18

20160204749

2016-07-14

Methods and apparatus for calibrating for transconductance or gain over process or condition variations in differential circuits

#19

20160191274

2016-06-30

Method and apparatus for minimizing within-die variations in performance parameters of a processor

#20

20160072446

2016-03-10

Operational amplifying circuit and semiconductor device comprising the same

#21

20150333713

2015-11-19

Control circuit for low noise amplifier and related differential and single-ended amplification devices

#22

20150311876

2015-10-29

Amplifiers and related biasing methods and devices

#23

20150256138

2015-09-10

Fully differential class A/AB amplifier and method thereof

#24

20150171806

2015-06-18

Differential amplifying circuit and microphone/amplifier system

#25

20150137888

2015-05-21

Input clamping structure for sound quality improvement in car-radio class-AB power amplifier design

#26

20150130540

2015-05-14

Amplifier

#27

20150109007

2015-04-23

DIFFERENTIAL AMPLIFIER AND ELECTRODE FOR MEASURING A BIOPOTENTIAL

#28

20150071466

2015-03-12

Read-out for MEMS capacitive transducers

#29

20150063048

2015-03-05

Sample-and-hold current sense amplifier and related method

#30

20140314173

2014-10-23

PVT tolerant differential circuit

#31

20140300416

2014-10-09

Operational amplifier circuit

#32

20140152386

2014-06-05

Error amplifier having cascode current source using body biasing

#33

20140070868

2014-03-13

Complementary biasing circuits and related methods

#34

20140047920

2014-02-20

Analog multiplier circuit, variable gain amplifier, detector circuit, and physical quantity sensor

#35

20140037113

2014-02-06

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#36

20140035673

2014-02-06

Multimode differential amplifier biasing system

#37

20140028394

2014-01-30

Current mode logic circuit and method

#38

20140022016

2014-01-23

Amplifiers and related biasing methods and devices

#39

20130328631

2013-12-12

Adaptive amplification circuit

#40

20130293291

2013-11-07

Quality factor tuning for LC circuits

#41

20130271220

2013-10-17

Semiconductor device outputting reference voltages

#42

20130194039

2013-08-01

Differential amplifier circuit with ultralow power consumption provided with adaptive bias current generator circuit

#43

20130169362

2013-07-04

Input clamping structure for sound quality improvement in car-radio class-AB power amplifier design

#44

20130069724

2013-03-21

SUPPLY INDEPENDENT BIASING CIRCUIT

#45

20130015899

2013-01-17

Delay lines, amplifier systems, transconductance compensating systems and methods of compensating

#46

20120326786

2012-12-27

Delay lines, amplifier systems, transconductance compensating systems and methods of compensating

#47

20120264391

2012-10-18

RF-demodulator, calibration circuitry and methods for calibrating an RF-demodulator

#48

20120229214

2012-09-13

Amplifier circuit and method

#49

20120194273

2012-08-02

Differential receiver

#50

20120146720

2012-06-14

Adaptive amplification circuit

#51

20120139631

2012-06-07

Wide-swing telescopic operational amplifier

#52

20120119833

2012-05-17

Class AB output stages and amplifiers including class AB output stages

#53

20120112840

2012-05-10

Semiconductor integrated circuit device

#54

20120049956

2012-03-01

Amplifiers and related biasing methods and devices

#55

20120038405

2012-02-16

Delay lines, amplifier systems, transconductance compensating systems and methods of compensating

#56

20120001696

2012-01-05

Semiconductor integrated circuit device

#57

20110304393

2011-12-15

Class AB output stages and amplifiers including class AB output stages

#58

20110238868

2011-09-29

Method and apparatus for minimizing within-die variations in performance parameters of a processor

#59

20110227649

2011-09-22

Apparatus and method for variable gain transconductance

#60

20110204981

2011-08-25

Bias circuit and amplifier providing constant output current for a range of common mode inputs

#61

20110156816

2011-06-30

Biasing circuit for differential amplifier

#62

20110128077

2011-06-02

Differentially compensated input pair

#63

20110101256

2011-05-05

Output circuit, light-receiver circuit using the same, and photocoupler

#64

20110084763

2011-04-14

Db-linear process-independent variable gain amplifier

#65

20110074508

2011-03-31

Voltage regulator operable to switch between a two-stage structure operation and a three-stage structure operation

#66

20110050343

2011-03-03

Bias circuit and amplifier providing constant output current for a range of common mode inputs

#67

20100329487

2010-12-30

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#68

20100327940

2010-12-30

Embedded phase noise measurement system

#69

20100327919

2010-12-30

DIFFERENTIAL AMPLIFIER CIRCUIT

#70

20100253430

2010-10-07

Constant gain control for multistage amplifiers

#71

20100244964

2010-09-30

Semiconductor integrated circuit device

#72

20100188155

2010-07-29

Closed loop ramp up for pop and click reduction in an amplifier

#73

20100164629

2010-07-01

Method and system for a highly efficient power amplifier utilizing dynamic baising and predistortion

#74

20100134186

2010-06-03

Low power operational amplifier

#75

20100109781

2010-05-06

Semiconductor integrated circuit device

#76

20100066436

2010-03-18

Active-time dependent bias current generation for switched-capacitor circuits

#77

20100033463

2010-02-11

Operational amplifier circuit and display panel driving apparatus

#78

20090302949

2009-12-10

Bias circuit and amplifier using the same

#79

20090295486

2009-12-03

Operational amplifier having adjustable bias current and related source driver of display thereof

#80

20090273400

2009-11-05

Device and method for generating an output signal

#81

20090261905

2009-10-22

OPEN GAIN ADJUSTMENT CIRCUIT FOR OPERATIONAL AMPLIFIER

#82

20090184770

2009-07-23

Device and method for biasing a transistor amplifier

#83

20090184766

2009-07-23

Low-voltage wide-range linear transconductor cell

#84

20090153245

2009-06-18

Variable-gain wide-dynamic-range amplifier

#85

20090153233

2009-06-18

Bias circuit

#86

20090115521

2009-05-07

High CMR amplifier topology

#87

20090096523

2009-04-16

Differential amplification circuit

#88

20090085788

2009-04-02

Multi-input operational amplifier circuit, digital/analog converter using same, and driver for display device using same

#89

20090085668

2009-04-02

Inductor sharing in radio frequency communications

#90

20090066415

2009-03-12

Operational amplifier having high slew rate and stability, and operating method thereof

#91

20090054004

2009-02-26

Biasing for Stacked Circuit Configurations

#92

20090051431

2009-02-26

High-swing operational amplifier output stage using adaptive biasing

#93

20090051428

2009-02-26

AGC CIRCUIT

#94

20090033425

2009-02-05

Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion

#95

20090015337

2009-01-15

Device and method for biasing a transistor amplifier

#96

20080309410

2008-12-18

Offset fixing operational amplifier circuit

#97

20080290942

2008-11-27

DIFFERENTIAL AMPLIFIER

#98

20080238554

2008-10-02

Serial link output stage differential amplifier and method

#99

20080204137

2008-08-28

Design structure for a serial link output stage differential amplifier

#100

20080191803

2008-08-14

Variable gain amplifying circuit

#101

20080157875

2008-07-03

Method and system for precise current matching in deep sub-micron technology

#102

20080136526

2008-06-12

Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion

#103

20080136522

2008-06-12

Amplifier with current mirror bias adjust

#104

20080111626

2008-05-15

Rail-to-rail class-AB operational amplifier

#105

20080106337

2008-05-08

Bias current compensation circuit for a differential input stage

#106

20080094136

2008-04-24

Amplifier circuit and method of generating bias voltage in amplifier circuit

#107

20080074188

2008-03-27

Output differential stage

#108

20080068084

2008-03-20

Serial link output stage differential amplifier and method

#109

20080061881

2008-03-13

Differential amplifier circuit, voltage regulator using the differential amplifier circuit, and method for controlling the differential amplifier circuit

#110

20080061745

2008-03-13

Differential amplifier circuit and electric charge control apparatus using differential amplifier circuit

#111

20080036507

2008-02-14

Differential signal transmission and reception circuit capable of reducing power consumption

#112

20080024224

2008-01-31

Low noise amplifier with low current consumption

#113

20070279131

2007-12-06

Variable gain amplifier and differential amplifier

#114

20070273442

2007-11-29

High-efficiency class-AB amplifier

#115

20070222516

2007-09-27

Differential amplifier and methods for use therewith

#116

20070194849

2007-08-23

Method for nullifying temperature dependence and circuit therefor

#117

20070188229

2007-08-16

Variable gain amplifier with constant input referred third order intercept

#118

20070152752

2007-07-05

Bias circuit

#119

20070008035

2007-01-11

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

#120

20060238249

2006-10-26

Control circuit for operational amplifier and method thereof

#121

20060202759

2006-09-14

Transistor biasing independent of inductor voltage drop

#122

20060181349

2006-08-17

CMOS variable gain amplifier for controlling dB linear gain

#123

20060132239

2006-06-22

Input tracking current mirror for a differential amplifier system

#124

20060119436

2006-06-08

High linearity digital variable gain amplifier

#125

20060114065

2006-06-01

High linearity digital variable gain amplifier

#126

20050174175

2005-08-11

Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit

#127

20050093632

2005-05-05

Output stage for high gain and low distortion operational amplifier

#128

20050035817

2005-02-17

Method and corresponding circuit structure to correlate the transconductance of transistors of different types

#129

15160912

2017-08-01

Differential circuits with constant Gbias

#130

14666779

2016-04-12

Active inductor and associated amplifying circuit