H03F2203/45646 - CPC Classification Index

#1

20250183859

2025-06-05

TRANS-IMPEDANCE AMPLIFIER FOR ULTRASOUND DEVICE AND RELATED APPARATUS AND METHODS

#2

20240120891

2024-04-11

Trans-impedance amplifier for ultrasound device and related apparatus and methods

#3

20210384872

2021-12-09

Trans-impedance amplifier for ultrasound device and related apparatus and methods

#4

20200091882

2020-03-19

Differential amplifier circuit and serial transmission circuit

#5

20190140603

2019-05-09

Trans-impedance amplifier for ultrasound device and related apparatus and methods

#6

20180198421

2018-07-12

Circuit with voltage drop element

#7

20170163225

2017-06-08

Trans-impedance amplifier for ultrasound device and related apparatus and methods

#8

20160301372

2016-10-13

Configurable transceiver circuit architecture

#9

20160142016

2016-05-19

Operational amplifier based circuit with compensation circuit block used for stability compensation

#10

20160018838

2016-01-21

dB-linear voltage-to-current converter

#11

20150270811

2015-09-24

Operational amplifier and driving circuit

#12

20150146884

2015-05-28

Circuit for suppressing audio output noise and audio output circuit

#13

20150103066

2015-04-16

Output circuit, data driver and display device

#14

20150015330

2015-01-15

Differential-to-single-end converter

#15

20140159814

2014-06-12

Differential receiver

#16

20130207723

2013-08-15

GM-ratioed amplifier

#17

20130169364

2013-07-04

Amplifier and transceiver including the amplifier

#18

20130141474

2013-06-06

Voltage summing buffer, digital-to-analog converter and source driver of display device including the same

#19

20130088473

2013-04-11

Output circuit, data driver, and display device

#20

20130002636

2013-01-03

LCD driving circuit using operational amplifier and LCD display apparatus using the same

#21

20130002356

2013-01-03

OPERATIONAL AMPLIFIER

#22

20120249247

2012-10-04

Front-end circuit of low supply-voltage memory interface receiver

#23

20120212259

2012-08-23

COMPARATOR OF A DIFFERENCE OF INPUT VOLTAGES WITH AT LEAST A THRESHOLD

#24

20120206202

2012-08-16

Gain enhancement circuit and method

#25

20120169422

2012-07-05

Amplifier with non-linear current mirror

#26

20120064836

2012-03-15

Amplifier circuit for a ranging transceiver

#27

20120038418

2012-02-16

dB-linear voltage-to-current converter

#28

20120019325

2012-01-26

CURRENT-MODE AMPLIFIER

#29

20120019323

2012-01-26

Current-mode amplifier

#30

20110298642

2011-12-08

CURRENT TRIMMING CIRCUIT AND A/D CONVERTER INCLUDING CURRENT TRIMMING CIRCUIT

#31

20110242380

2011-10-06

Solid-state imaging apparatus

#32

20110235689

2011-09-29

Power amplifier and semiconductor integrated circuit

#33

20110175583

2011-07-21

High voltage regulated power supply

#34

20110147465

2011-06-23

RFID device

#35

20110096186

2011-04-28

Fully-differential amplifier, photoelectric conversion apparatus including fully-differential amplifier, and image-pickup system

#36

20110095788

2011-04-28

High-speed comparator with asymmetric frequency response

#37

20110032233

2011-02-10

LCD driving circuit using operational amplifier and LCD display apparatus using the same

#38

20110007058

2011-01-13

DIFFERENTIAL CLASS AB AMPLIFIER CIRCUIT, DRIVER CIRCUIT AND DISPLAY DEVICE

#39

20100308913

2010-12-09

Operational amplifier

#40

20100301938

2010-12-02

Operational amplification circuit

#41

20100295618

2010-11-25

Differential amplifier, reference voltage generating circuit, differential amplifying method, and reference voltage generating method

#42

20100244961

2010-09-30

Differential amplifier

#43

20100202499

2010-08-12

Wireless radio frequency signal transceiving system

#44

20100194443

2010-08-05

dB-linear voltage-to-current converter

#45

20100188152

2010-07-29

Signal conversion circuit and rail-to-rail circuit

#46

20100164625

2010-07-01

Slew-rate-enhanced error amp with adaptive transconductance and single dominant pole shared by main and auxiliary amps

#47

20100134186

2010-06-03

Low power operational amplifier

#48

20100127736

2010-05-27

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

#49

20100097146

2010-04-22

Signal amplification circuit

#50

20100039179

2010-02-18

Folded cascode operational amplifier having improved phase margin

#51

20100039175

2010-02-18

Driving amplifier circuit with digital control and DC offset equalization

#52

20100007417

2010-01-14

Differential amplifier with symmetric circuit topology

#53

20090309857

2009-12-17

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

#54

20090295481

2009-12-03

High speed differential to single ended converting circuit

#55

20090284316

2009-11-19

Amplifier device

#56

20090267585

2009-10-29

Cascode current mirror circuit, bandgap circuit, reference voltage circuit having the cascode current mirror circuit and the bandgap circuit, and voltage stabilizing/regulating circuit having the reference voltage circuit

#57

20090261866

2009-10-22

Voltage divider circuit

#58

20090237163

2009-09-24

Trimming technique for high voltage amplifiers using floating low voltage structures

#59

20090237143

2009-09-24

Capacitance multiplier circuit

#60

20090091388

2009-04-09

Apparatus for slew rate enhancement of an operational amplifier

#61

20080290945

2008-11-27

Class AB output stage and method for providing wide supply voltage range

#62

20080278238

2008-11-13

Variable gain circuit

#63

20080252373

2008-10-16

Low flicker noise operational amplifier

#64

20080180173

2008-07-31

Differential signal comparator

#65

20080074188

2008-03-27

Output differential stage

#66

20080055004

2008-03-06

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

#67

20070194847

2007-08-23

Operational amplifier

#68

20070194846

2007-08-23

Multiplier-transimpedance amplifier combination with input common mode feedback

#69

20070194809

2007-08-23

Output stage with low output impedance and operating from a low power supply

#70

20070170993

2007-07-26

Differential amplifier having an improved slew rate

#71

20070115057

2007-05-24

Variable gain device

#72

20070057729

2007-03-15

Power amplifier and wireless communication device

#73

20070035342

2007-02-15

Differential amplifier offset voltage minimization independently from common mode voltage adjustment

#74

20060267685

2006-11-30

Fast settling, low noise, low offset operational amplifier and method

#75

20060250190

2006-11-09

Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method

#76

20060139098

2006-06-29

Differential amplifier

#77

20060033579

2006-02-16

Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method

#78

20060006910

2006-01-12

Differential current output unit

#79

20050218983

2005-10-06

Differential amplifier

#80

20050093632

2005-05-05

Output stage for high gain and low distortion operational amplifier