H03F2203/7215 - CPC Classification Index

#1

20260051863

2026-02-19

POWER AMPLIFIER AND ELECTRONIC DEVICE COMPRISING SAME

#2

20250167767

2025-05-22

ATTENUATORS FOR RADIO-FREQUENCY APPLICATIONS

#3

20240413796

2024-12-12

LOW NOISE AMPLIFIER CIRCUIT AND RF FRONT-END MODULE

#4

20240235497

2024-07-11

Scalable Periphery Tunable Matching Power Amplifier

#5

20240136983

2024-04-25

Scalable Periphery Tunable Matching Power Amplifier

#6

20240128932

2024-04-18

POWER AMPLIFIER CIRCUIT AND POWER AMPLIFICATION METHOD

#7

20230016198

2023-01-19

Multi-band power amplifier module

#8

20220329215

2022-10-13

Scalable periphery tunable matching power amplifier

#9

20220294399

2022-09-15

SEMICONDUCTOR DEVICE

#10

20220103143

2022-03-31

Power amplification circuit

#11

20220021351

2022-01-20

APPARATUS AND METHODS FOR OVERLOAD PROTECTION OF RADIO FREQUENCY AMPLIFIERS

#12

20210376797

2021-12-02

LOW-NOISE AMPLIFIER SUPPORTING MULTI CARRIER OPERATIONS

#13

20210159860

2021-05-27

Apparatus and methods for low noise amplifiers with mid-node impedance networks

#14

20210058041

2021-02-25

Scalable periphery tunable matching power amplifier

#15

20200366256

2020-11-19

Apparatus and methods for low noise amplifiers with mid-node impedance networks

#16

20200266786

2020-08-20

LNA with controlled phase bypass

#17

20200259467

2020-08-13

Apparatus and methods for overload protection of radio frequency amplifiers

#18

20200195208

2020-06-18

Multi-band power amplifier module

#19

20200162029

2020-05-21

Circuits, devices and methods related to amplification with active gain bypass

#20

20190386616

2019-12-19

Front-end for processing 2G signal using 3G/4G paths

#21

20190267954

2019-08-29

Scalable periphery tunable matching power amplifier

#22

20190173438

2019-06-06

Multi-branch outphasing system and method

#23

20190165747

2019-05-30

APPARATUS AND METHOD FOR VOLTAGE DISTRIBUTION

#24

20190165736

2019-05-30

Envelope trackers providing compensation for power amplifier output load variation

#25

20190158047

2019-05-23

Switched amplifier

#26

20190158028

2019-05-23

APPARATUS AND METHODS FOR BIASING LOW NOISE AMPLIFIERS

#27

20190097591

2019-03-28

Apparatus and methods for low noise amplifiers with mid-node impedance networks

#28

20180358929

2018-12-13

Front-end system having switchable amplifier output stage

#29

20180343027

2018-11-29

Transceiving device

#30

20180337643

2018-11-22

Multi-band power amplifier module

#31

20180324967

2018-11-08

Software-configurable multi-function RF module

#32

20180323752

2018-11-08

Apparatus and methods for overload protection of radio frequency amplifiers

#33

20180226982

2018-08-09

Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules

#34

20180138870

2018-05-17

Scalable periphery tunable matching power amplifier

#35

20180076774

2018-03-15

Radio-frequency amplifier having active gain bypass circuit

#36

20180062621

2018-03-01

Attenuators having phase shift and gain compensation circuits

#37

20180062592

2018-03-01

Reconfigurable power amplifier

#38

20180054171

2018-02-22

Apparatus and methods for low noise amplifiers with mid-node impedance networks

#39

20180054166

2018-02-22

Apparatus and methods for biasing low noise amplifiers

#40

20180034424

2018-02-01

Methods related to fast turn-on of radio-frequency amplifiers

#41

20170373746

2017-12-28

Flexible multi-channel amplifiers via wavefront muxing techniques

#42

20170279424

2017-09-28

Apparatus and method for variable voltage distribution

#43

20170279416

2017-09-28

Dual output RF LNA

#44

20170272036

2017-09-21

Front-end amplifier circuits for biomedical electronics

#45

20170063389

2017-03-02

Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules

#46

20160294342

2016-10-06

CMOS RF switch device and method for biasing the same

#47

20160252917

2016-09-01

Apparatus and methods for generating a variable regulated voltage

#48

20160233835

2016-08-11

Multi-band/multi-mode power amplifier with signal path hardware sharing

#49

20160191105

2016-06-30

Circuits and methods for 2G amplification using 3G/4G linear path combination

#50

20160191003

2016-06-30

Transmission apparatus and transmission method

#51

20160112018

2016-04-21

Circuits and methods for reducing supply sensitivity in a power amplifier

#52

20160105151

2016-04-14

Switchable dual core power amplifier

#53

20160087593

2016-03-24

Scalable periphery tunable matching power amplifier

#54

20160020732

2016-01-21

Systems and methods related to switchable output stages in power amplifiers

#55

20160013761

2016-01-14

Power amplifier

#56

20160013760

2016-01-14

Circuits and devices related to fast turn-on of radio-frequency amplifiers

#57

20150349728

2015-12-03

Current-voltage conversion amplifier circuit including multiplier with a current offset removal unit and multi input amplifier

#58

20150340996

2015-11-26

Power amplifier, transceiver, and base station

#59

20150303961

2015-10-22

Multi-branch outphasing system and method

#60

20150249462

2015-09-03

System for processing data streams

#61

20150244323

2015-08-27

Harmonic rejection power amplifier

#62

20150236658

2015-08-20

Power detector with overdrive detection

#63

20150236651

2015-08-20

Multi-mode bias modulator and envelope tracking power amplifier using the same

#64

20150222234

2015-08-06

Power amplifier module

#65

20150212131

2015-07-30

Apparatuses and methods for measuring flicker noise

#66

20150137891

2015-05-21

Multi-mode power amplifier and mobile communication terminal having the same

#67

20150133103

2015-05-14

Electronic device and method for switching power amplifiers

#68

20150111511

2015-04-23

Transmission apparatus and transmission method

#69

20150084692

2015-03-26

CMOS RF switch device and method for biasing the same

#70

20150084688

2015-03-26

Baseband processing circuitry

#71

20150077579

2015-03-19

Angular velocity sensor, and electronic apparatus using same

#72

20150015329

2015-01-15

Radio frequency composite Class-S power amplifier having discrete power control

#73

20140285264

2014-09-25

Reconfigurable output matching network for multiple power mode power amplifiers

#74

20140266460

2014-09-18

Scalable periphery tunable matching power amplifier

#75

20140225675

2014-08-14

Apparatus for a radio frequency integrated circuit

#76

20140225666

2014-08-14

Redundant amplifier and switching method thereof

#77

20140218104

2014-08-07

Power amplification device

#78

20140167856

2014-06-19

Power amplifier and operation method therefor

#79

20140155013

2014-06-05

Baseband harmonic rejection circuit

#80

20140113573

2014-04-24

Amplifiers with shunt switches

#81

20140055195

2014-02-27

High efficiency power amplifier architecture for off-peak traffic hours

#82

20140049318

2014-02-20

Method and apparatus for high efficiency, high dynamic range digital RF power amplification

#83

20140022984

2014-01-23

Flexible multi-channel amplifiers via wavefront muxing techniques

#84

20140015605

2014-01-16

Active transducer probes and circuits

#85

20140015604

2014-01-16

Amplifier circuit, method and mobile communication device

#86

20140015603

2014-01-16

Multi-band/multi-mode power amplifier with signal path hardware sharing

#87

20130300499

2013-11-14

Programmable wide-band radio frequency feed network

#88

20130136213

2013-05-30

Reception signal processing device

#89

20130113564

2013-05-09

Fast settling low power low noise amplifier

#90

20130093511

2013-04-18

Apparatus and method for improving efficiency in power amplifier

#91

20130079065

2013-03-28

MULTI-MODE POWER AMPLIFIER

#92

20130040586

2013-02-14

System and method for improving power efficiency of a transmitter

#93

20130027132

2013-01-31

High efficiency multiple power mode linear radio frequency power amplifier

#94

20120319885

2012-12-20

System for processing data streams

#95

20120319772

2012-12-20

Flexible multi-channel amplifiers via wavefront muxing techniques

#96

20120306578

2012-12-06

RF AMPLIFIER WITH OPEN CIRCUIT OUTPUT OFF-STATE

#97

20120293257

2012-11-22

High frequency power amplifier

#98

20120293251

2012-11-22

DOHERTY POWER AMPLIFIER AND IMPLEMENTATION METHOD THEREOF

#99

20120293217

2012-11-22

FEEDFORWARD ACTIVE DECOUPLING

#100

20120219048

2012-08-30

Joint adaptive bias point adjustment and digital pre-distortion for power amplifier

#101

20120214431

2012-08-23

Transmitter and power supply control module

#102

20120188011

2012-07-26

High efficiency multiple power mode linear radio frequency power amplifier

#103

20120163611

2012-06-28

Noise control circuit and audio receiving system using the same

#104

20120161844

2012-06-28

Flexible low noise, high linearity, high frequency, low power, fully differential mixer and class AB post-mixer amplifier system for SDR applications

#105

20120098598

2012-04-26

Radio frequency power amplifier

#106

20120087282

2012-04-12

WIRELESS COMMUNICATION HIGH-FREQUENCY CIRCUIT AND WIRELESS COMMUNICATION APPARATUS

#107

20120071120

2012-03-22

Adaptive adjustment of active area for power amplifier

#108

20120068770

2012-03-22

Anti-glitch system for audio amplifier

#109

20120059265

2012-03-08

Active transducer probes and circuits

#110

20110300899

2011-12-08

CMOS RF switch device and method for biasing the same

#111

20110300898

2011-12-08

High linearity CMOS RF switch passing large signal and quiescent power amplifier current

#112

20110298559

2011-12-08

Apparatus and method for directional coupling

#113

20110298537

2011-12-08

Voltage distribution for controlling CMOS RF switch

#114

20110298526

2011-12-08

Apparatus and method for disabling well bias

#115

20110298523

2011-12-08

Apparatus and method for well buffering

#116

20110298444

2011-12-08

Apparatus and method for diffusion sensing

#117

20110298435

2011-12-08

APPARATUS AND METHOD FOR VOLTAGE DISTRIBUTION

#118

20110298432

2011-12-08

APPARATUS AND METHOD FOR VARIABLE VOLTAGE FUNCTION

#119

20110298280

2011-12-08

APPARATUS AND METHOD FOR VARIABLE VOLTAGE DISTRIBUTION

#120

20110291754

2011-12-01

Segmented power amplifier with varying segment activation

#121

20110283331

2011-11-17

Distribution and amplification systems that automatically terminate to a matched termination in response to power interruptions and related methods

#122

20110263213

2011-10-27

AMPLIFYING A TRANSMIT SIGNAL USING A FRACTIONAL POWER AMPLIFIER

#123

20110193625

2011-08-11

Amplifier for cable and terrestrial applications with independent stage frequency tilt

#124

20110187573

2011-08-04

Time-multiplexed residue amplifier

#125

20110157150

2011-06-30

Source driver having multiplexers positioned between differential amplifiers and buffers and associated driving method

#126

20110156812

2011-06-30

Multi-band, multi-mode RF transmit amplifier system with separate signal paths for linear and saturated operation

#127

20110025421

2011-02-03

Step variable gain amplifier

#128

20110025227

2011-02-03

Drive circuit to adjust a luminance of a light emitting element based on a PWM signal, and a portable information terminal including the drive circuit

#129

20100327969

2010-12-30

Power amplifier having parallel amplification stages and associated impedance matching networks

#130

20100289579

2010-11-18

Switchable input pair operational amplifiers

#131

20100271128

2010-10-28

Composite differential RF power amplifier layout

#132

20100266066

2010-10-21

Power amplifier and radio wave transmitter having the same

#133

20100237945

2010-09-23

Cascode amplifier with protection circuitry

#134

20100225399

2010-09-09

Power amplifier, and method of controlling power amplifier

#135

20100208638

2010-08-19

WIRELESS COMMUNICATION APPARATUS AND TRANSMISSION CONTROL METHOD THEREOF

#136

20100188146

2010-07-29

High efficiency power amplifier having embedded switching

#137

20100079205

2010-04-01

Multi-Channel Amplifier

#138

20100029227

2010-02-04

Multi-mode configurable transmitter circuit

#139

20090224832

2009-09-10

System and method of enabling a signal processing device in a relatively fast manner to process a low duty cycle signal

#140

20090219089

2009-09-03

Amplifier arrangement and method

#141

20090209214

2009-08-20

Amplifying a transmit signal using a fractional power amplifier

#142

20090174495

2009-07-09

CONTACTLESS IC CARD SYSTEM

#143

20090163156

2009-06-25

DAC based switching power amplifier

#144

20090045758

2009-02-19

Drive circuit supplying current to load based on control signal, and portable information terminal including the same

#145

20080265997

2008-10-30

Power amplifier for amplifying high-frequency (H.F.) signals

#146

20080136554

2008-06-12

System, microwave switch and method for hot standby of radio frequency power amplifier

#147

20080029753

2008-02-07

Configurable circuits using phase change switches

#148

20080024211

2008-01-31

Multi-operational amplifier system

#149

20080001672

2008-01-03

Auto-range current mirror circuit

#150

20070297531

2007-12-27

CONTACTLESS IC CARD SYSTEM

#151

20070275676

2007-11-29

DAC based switching power amplifier

#152

20070218849

2007-09-20

Amplifying a transmit signal using a fractional power amplifier

#153

20070176634

2007-08-02

Transistor arrangement, integrated circuit and method for operating field effect transistors

#154

20070170985

2007-07-26

Contactless IC card system

#155

20070135067

2007-06-14

Apparatus for configuring portable communication system using multipath power amplifier

#156

20070120599

2007-05-31

Multi-operational amplifier system

#157

20070080746

2007-04-12

Glitch-free controllable RF power amplifier

#158

20070045519

2007-03-01

Photocurrent amplifier circuit and optical pick-up device

#159

20060261886

2006-11-23

System and method for reducing audible artifacts in an audio system

#160

20060220759

2006-10-05

Contactless IC card system

#161

20060159292

2006-07-20

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

#162

20060040626

2006-02-23

Receiving band switching circuit with reduced signal loss upon switching receiving band

#163

20060006955

2006-01-12

Contactless IC card system

#164

20050162230

2005-07-28

Multi-operational amplifier system