H03F2203/21109 - CPC Classification Index

ClassID:

219722 ⎘

H03F2203/21109 - 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 power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers An input signal being distributed by switching to a plurality of paralleled power amplifiers

Recent Application in this class:

20240235497

2024-07-11

Scalable Periphery Tunable Matching Power Amplifier

20240136983

2024-04-25

Scalable Periphery Tunable Matching Power Amplifier

20230370027

2023-11-16

POWER AMPLIFIER SYSTEM WITH ADJUSTABLE SIGNAL PATH FOR MULTIPLE-MODES

20230370026

2023-11-16

MULTI-MODE POWER AMPLIFIER SYSTEM WITH ADJUSTABLE POWER AMPLIFIER AND OUTPUT MATCHING NETWORK

20230016198

2023-01-19

Multi-band power amplifier module

20220329215

2022-10-13

Scalable periphery tunable matching power amplifier

20210143776

2021-05-13

Radio-frequency amplifiers

20210058041

2021-02-25

Scalable periphery tunable matching power amplifier

20200195208

2020-06-18

Multi-band power amplifier module

#10

20200162029

2020-05-21

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

#11

20190386616

2019-12-19

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

#12

20190267954

2019-08-29

Scalable periphery tunable matching power amplifier

#13

20190214945

2019-07-11

Power amplifiers having reduced loss

#14

20190140591

2019-05-09

Amplifiers for radio-frequency applications

#15

20190097582

2019-03-28

CIRCUITS, DEVICES AND METHODS RELATED TO POWER AMPLIFICATION WITHOUT MATCHING NETWORK

#16

20190028132

2019-01-24

Aggregate signal amplification device and method

#17

20180337643

2018-11-22

Multi-band power amplifier module

#18

20180226982

2018-08-09

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

#19

20180138870

2018-05-17

Scalable periphery tunable matching power amplifier

#20

20180102740

2018-04-12

Cascaded switch between pluralities of LNAS

#21

20180097533

2018-04-05

Aggregate signal amplification device and method

#22

20180076774

2018-03-15

Radio-frequency amplifier having active gain bypass circuit

#23

20170373746

2017-12-28

Flexible multi-channel amplifiers via wavefront muxing techniques

#24

20170346448

2017-11-30

Variable gain low noise amplifier

#25

20170331434

2017-11-16

Cascode switch for amplifier

#26

20170194919

2017-07-06

Radio-frequency and bias signal coupling in power amplifier devices

#27

20170149393

2017-05-25

Semiconductor device

#28

20170063389

2017-03-02

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

#29

20170063307

2017-03-02

Driver circuit for a power stage of a class-D amplifier

#30

20170047896

2017-02-16

Multi-channel amplifier with chopping

#31

20170040947

2017-02-09

Cascaded switch between pluralities of LNAS

#32

20160373075

2016-12-22

Dual stage low noise amplifier for multiband receiver

#33

20160301371

2016-10-13

Multiplex detector signal boosters

#34

20160248379

2016-08-25

Power amplifier bias signal multiplexing

#35

20160241300

2016-08-18

Unpowered switching module

#36

20160241207

2016-08-18

Multi-band power amplification system having enhanced efficiency through elimination of band selection switch

#37

20160241205

2016-08-18

Reduced power amplifier size through elimination of matching network

#38

20160241196

2016-08-18

Multi-band device having multiple miniaturized single-band power amplifiers

#39

20160233836

2016-08-11

System and method for a low noise amplifier

#40

20160218852

2016-07-28

HALF-DUPLEX SAWLESS RECEIVER

#41

20160191105

2016-06-30

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

#42

20160190996

2016-06-30

Cascode switch for power amplifier

#43

20160173043

2016-06-16

Devices and methods for increasing reliability of scalable periphery amplifiers

#44

20160156313

2016-06-02

Operational amplifier and method of operating the operational amplifier

#45

20160105152

2016-04-14

Reconfigurable Power Amplification Device and an Integrated Circuit Including Such a Device

#46

20160087593

2016-03-24

Scalable periphery tunable matching power amplifier

#47

20160079934

2016-03-17

World band radio frequency front end module, system and method thereof

#48

20160072443

2016-03-10

Semiconductor device

#49

20160072441

2016-03-10

Input switch leakage compensation

#50

20160056767

2016-02-25

ENERGY-EFFICIENT MODE-SWITCH POWER AMPLIFIER SET

#51

20160036395

2016-02-04

Apparatus and methods for overdrive protection of radio frequency amplifiers

#52

20160028353

2016-01-28

Systems, circuits and methods related to low power efficiency improvement in multi-mode multi-band power amplifiers

#53

20160020738

2016-01-21

Diversity amp module and apparatus comprising the same

#54

20160020732

2016-01-21

Systems and methods related to switchable output stages in power amplifiers

#55

20160013761

2016-01-14

Power amplifier

#56

20150372649

2015-12-24

Signal amplification system

#57

20150280654

2015-10-01

System and method for a low noise amplifier

#58

20150249462

2015-09-03

System for processing data streams

#59

20150244324

2015-08-27

Power amplification device and transmitter

#60

20150155895

2015-06-04

Integrated power supply and modulator for radio frequency power amplifiers

#61

20150015338

2015-01-15

Power amplifier

#62

20140113573

2014-04-24

Amplifiers with shunt switches

#63

20140022984

2014-01-23

Flexible multi-channel amplifiers via wavefront muxing techniques

#64

20130293296

2013-11-07

Diode enhanced amplifier circuits and methods thereof

#65

20130259267

2013-10-03

Audio amplifier apparatus

#66

20130049867

2013-02-28

Class of power amplifiers for improved back off operation

#67

20120319885

2012-12-20

System for processing data streams

#68

20120319772

2012-12-20

Flexible multi-channel amplifiers via wavefront muxing techniques

#69

20110263213

2011-10-27

AMPLIFYING A TRANSMIT SIGNAL USING A FRACTIONAL POWER AMPLIFIER

#70

20110006841

2011-01-13

Switchable balanced amplifier

#71

20100289570

2010-11-18

Amplifier circuit, electronic device, method for configuring an amplifier circuit

#72

20100167671

2010-07-01

Wireless Communication Apparatus and Transmission Control Method Thereof

#73

20090117863

2009-05-07

High efficiency RF transmitter system using non-linear amplifiers

#74

20080258811

2008-10-23

Distributed class G type amplifier switching method

#75

20080231358

2008-09-25

Power amplifier circuit

#76

20080150636

2008-06-26

Differential amplifier with a plurality of input pairs

#77

20080036533

2008-02-14

Multi-path doherty amplifier and control method of a multi-path doherty amplifier

#78

20080024211

2008-01-31

Multi-operational amplifier system

#79

20080007337

2008-01-10

Distributed class G type amplifier switching method

#80

20070210863

2007-09-13

Multi-channel amplifier with reduced overall power emission, and circuit management including same

#81

20070171997

2007-07-26

Method and apparatus for control of transmitter power consumption

#82

20070135067

2007-06-14

Apparatus for configuring portable communication system using multipath power amplifier

#83

20070120599

2007-05-31

Multi-operational amplifier system

#84

20070075894

2007-04-05

RF Pulse Shaping By Incremental Amplifier Turn On and Off

#85

20050162230

2005-07-28

Multi-operational amplifier system

#86

20050088253

2005-04-28

Switchable combiner and integrated combining apparatus for using it