ClassID:

219733

H03F2203/21142 - 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 Output signals of a plurality of power amplifiers are parallel combined to a common output

Recent Application in this class:
#1
20260135521
2026-05-14

FAULT PROTECTION CIRCUITS AND METHODS

#2
20250202434
2025-06-19

AMPLIFIER CIRCUIT

#3
20250183847
2025-06-05

DOHERTY AMPLIFIER CIRCUIT

#4
20240313713
2024-09-19

OUTPHASING AMPLIFIER

#5
20240235492
2024-07-11

FULLY INTEGRATED CMOS MULTIPLE MOSFET-STACKED DOUBLE PUSH-PULL RF POWER AMPLIFIER

#6
20240223137
2024-07-04

SYSTEMS AND METHODS RELATED TO POWER AMPLIFICATION AND POWER SUPPLY CONTROL

#7
20240136982
2024-04-25

FULLY INTEGRATED CMOS MULTIPLE MOSFET-STACKED DOUBLE PUSH-PULL RF POWER AMPLIFIER

#8
20230396225
2023-12-07

Multiple-Port Signal Boosters

#9
20230318545
2023-10-05

PLANAR COMBINER SYSTEM FOR SOLID STATE POWER AMPLIFIERS

#10
20230283240
2023-09-07

RF AMPLIFIER AND ELECTRONIC DEVICE COMPRISING THE SAME

#11
20220399857
2022-12-15

Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques

#12
20220131509
2022-04-28

Methods and apparatus for supporting linearization on power combined power amplifiers

#13
20220069791
2022-03-03

Multiple-Port Signal Booster

#14
20220060158
2022-02-24

Power amplifier module

#15
20220060151
2022-02-24

Broadband, high-efficiency, non-modulating power amplifier architecture

#16
20220014157
2022-01-13

Systems and methods related to power amplification and power supply control

#17
20210320626
2021-10-14

Quadrature combined Doherty amplifiers

#18
20210258135
2021-08-19

Sequenced transmit muting for wideband power amplifiers

#19
20210226586
2021-07-22

Doherty power amplifier with integrated second harmonic injection

#20
20210135634
2021-05-06

Dual-path amplifier having reduced harmonic distortion

#21
20210135631
2021-05-06

Wideband power combiner and splitter

#22
20210126589
2021-04-29

Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques

#23
20210119587
2021-04-22

Digital power amplifier

#24
20210075383
2021-03-11

Amplifier for a transceiver and a transceiver comprising such an amplifier

#25
20210048474
2021-02-18

Mismatch detection using replica circuit

#26
20210044262
2021-02-11

Power amplifier circuit

#27
20200382070
2020-12-03

Quadrature combined doherty amplifiers

#28
20200359522
2020-11-12

Rack comprising a high power RF amplifier

#29
20200350867
2020-11-05

Power amplifier

#30
20200336113
2020-10-22

Wideband power combiner and splitter

#31
20200295719
2020-09-17

Amplification apparatus and transmission apparatus

#32
20200212847
2020-07-02

Broadband, high-efficiency, non-modulating power amplifier architecture

#33
20200204132
2020-06-25

MULTIPLE-PORT SIGNAL BOOSTERS

#34
20200195207
2020-06-18

Systems and methods related to power amplification and power supply control

#35
20200169286
2020-05-28

Low-insertion-loss triple throw switch

#36
20200169230
2020-05-28

Broadband power combining arrangement

#37
20200153464
2020-05-14

Phase linearity enhancement techniques for digital wireless transmitters and digital power amplifiers

#38
20200127804
2020-04-23

Sequenced transmit muting for wideband power amplifiers

#39
20200127620
2020-04-23

Power amplifier and electronic device

#40
20200091871
2020-03-19

Doherty amplifier

#41
20200091869
2020-03-19

Amplifier circuit and transmitting device

#42
20200067466
2020-02-27

Wireless architectures and digital pre-distortion (DPD) techniques using closed loop feedback for phased array transmitters

#43
20200052663
2020-02-13

Power amplifier module

#44
20200044618
2020-02-06

MULTIPLE-PORT SIGNAL BOOSTER

#45
20200036343
2020-01-30

Power amplification apparatus and television signal transmission system

#46
20200021251
2020-01-16

Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques

#47
20200014344
2020-01-09

Power amplifier circuit

#48
20190393847
2019-12-26

Power amplifier device

#49
20190386625
2019-12-19

MULTIPLE-PORT SIGNAL BOOSTER

#50
20190386616
2019-12-19

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

#51
20190348953
2019-11-14

Doherty power amplifier with integrated second harmonic injection

#52
20190190469
2019-06-20

CIRCUITS FOR POWER-COMBINED POWER AMPLIFIER ARRAYS

#53
20190173438
2019-06-06

Multi-branch outphasing system and method

#54
20190165739
2019-05-30

Quadrature combined doherty amplifiers

#55
20190165738
2019-05-30

Wideband power combiner and splitter

#56
20190158037
2019-05-23

HIGH-FREQUENCY AMPLIFIER UNIT AND HIGH-FREQUENCY POWER AMPLIFICATION APPARATUS

#57
20190140604
2019-05-09

Amplification apparatus

#58
20190140599
2019-05-09

Power amplification apparatus and television signal transmission system

#59
20190122957
2019-04-25

Amplification apparatus

#60
20190113564
2019-04-18

Mismatch detection using replica circuit

#61
20190097585
2019-03-28

Doherty power amplifier having high supply voltage

#62
20190068154
2019-02-28

MULTIPLE-PORT SIGNAL BOOSTERS

#63
20190049532
2019-02-14

RF POWER AMPLIFIER FOR MAGNETIC RESONANCE IMAGING

#64
20190020314
2019-01-17

RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof

#65
20180358931
2018-12-13

Power amplifier

#66
20180358930
2018-12-13

Power amplifier apparatus, envelope tracking amplifier apparatus and method of amplifying a signal

#67
20180316320
2018-11-01

Method for producing an amplification stage for a variable envelope signal

#68
20180279499
2018-09-27

Rack comprising a high power RF amplifier

#69
20180278216
2018-09-27

Ultra compact multi-band transmitted with robust AM-PM distortion self-suppression techniques

#70
20180262219
2018-09-13

Digital transmitter

#71
20180226933
2018-08-09

Power amplifier module

#72
20180212571
2018-07-26

Power amplification apparatus and television signal transmission system

#73
20180205346
2018-07-19

Harmonically tuned load modulated amplifier

#74
20180191387
2018-07-05

Signal processing arrangement for a transmitter

#75
20180164366
2018-06-14

Mismatch detection using replica circuit

#76
20180123520
2018-05-03

Amplifier architecture reconfiguration

#77
20180006609
2018-01-04

Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method

#78
20170338847
2017-11-23

Systems, devices and methods related to stacked radio-frequency devices

#79
20170264250
2017-09-14

Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques

#80
20170250656
2017-08-31

Multiple path amplifier with pre-cancellation

#81
20170244370
2017-08-24

High-frequency power amplifier

#82
20170237453
2017-08-17

Modulated signal generating device and wireless device

#83
20170179898
2017-06-22

Amplifier devices with in-package bias modulation buffer

#84
20170170793
2017-06-15

Splitter/combiner system for RF waves

#85
20170163233
2017-06-08

MULTIPLE-PORT SIGNAL BOOSTERS

#86
20170163219
2017-06-08

Power amplifier

#87
20170149460
2017-05-25

Radio frequency power amplification system, radio frequency power amplification method, transmitter, and base station

#88
20170146591
2017-05-25

Mismatch detection using replica circuit

#89
20170077875
2017-03-16

Doherty power amplifier and transmitter

#90
20170070308
2017-03-09

TDMA rate reconfigurable matrix power amplifier and method of communication in a FDMA/TDMA architecture

#91
20170070199
2017-03-09

Radio frequency circuitr having an integrated harmonic filter and a radio frequency circuit having transistors of different threshold voltages

#92
20170070194
2017-03-09

Asymmetric multilevel backoff amplifier with radio-frequency splitter

#93
20170040956
2017-02-09

Circuits for power-combined power amplifier arrays

#94
20170040953
2017-02-09

Systems and methods related to linear and efficient broadband power amplifiers

#95
20170026002
2017-01-26

Architectures and devices related to Doherty amplifiers

#96
20160380601
2016-12-29

Multimode operation for differential power amplifiers

#97
20160373063
2016-12-22

Current enhanced driver for high-power solid-state radio frequency power amplifiers

#98
20160359460
2016-12-08

Solid state microwave generator and power amplifier

#99
20160308499
2016-10-20

Amplifier

#100
20160294326
2016-10-06

Class-D amplifier

#101
20160285418
2016-09-29

RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof

#102
20160276987
2016-09-22

Combined high power RF/microwave amplifier with multiple power amplifier units and automatic failure protection

#103
20160276985
2016-09-22

AMPLIFIER APPARATUS AND METHOD

#104
20160268974
2016-09-15

Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method

#105
20160254838
2016-09-01

Systems, devices and methods related to stacked band selection switch devices

#106
20160248392
2016-08-25

Compact microwave power amplifier circuit

#107
20160248387
2016-08-25

Power amplifier and method

#108
20160248384
2016-08-25

Doherty power amplifier having reduced size

#109
20160248383
2016-08-25

Power amplifier and power amplification method

#110
20160241292
2016-08-18

Power amplifier module with power supply control

#111
20160233842
2016-08-11

Devices and methods for improving yield of scalable periphery amplifiers

#112
20160233834
2016-08-11

POWER AMPLIFIER FOR COMPENSATING FOR PHASE DELAY CHARACTERISTIC AND APPARATUS OF SYNTHESIZING POWER

#113
20160218693
2016-07-28

Circuits, devices and methods related to combiners for Doherty power amplifiers

#114
20160218674
2016-07-28

Dual-mode power amplifier

#115
20160197587
2016-07-07

Power amplifiers coupled in series

#116
20160197584
2016-07-07

Power amplifier and transmission apparatus

#117
20160191105
2016-06-30

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

#118
20160191003
2016-06-30

Transmission apparatus and transmission method

#119
20160181234
2016-06-23

Electronic devices and methods having a compact multi-way transformer combiner

#120
20160173043
2016-06-16

Devices and methods for increasing reliability of scalable periphery amplifiers

#121
20160164553
2016-06-09

Linear composite transmitter utilizing composite power amplification

#122
20160164466
2016-06-09

Asymmetric multilevel backoff amplifier with radio-frequency splitter

#123
20160142027
2016-05-19

Amplifier and related method

#124
20160112027
2016-04-21

RF/microwave power divider with port to port isolation

#125
20160112021
2016-04-21

RF/microwave high power switching combiner unit

#126
20160112020
2016-04-21

Combined high power rf/microwave amplifier with multiple power amplifier units and automatic failure protection

#127
20160112019
2016-04-21

Cableless high power RF/microwave power amplifier with multiple power amplifier units

#128
20160112018
2016-04-21

Circuits and methods for reducing supply sensitivity in a power amplifier

#129
20160112014
2016-04-21

Power amplifier having separate interconnects for DC bias and RF matching networks

#130
20160112013
2016-04-21

T-shaped power amplifier cooling plate

#131
20160079928
2016-03-17

Power amplifier and transmission device

#132
20160072445
2016-03-10

Power amplifier module

#133
20160036403
2016-02-04

MULTIPLE-PORT SIGNAL BOOSTERS

#134
20160036400
2016-02-04

Integrated circuit chip for receiver collecting signals from satellites

#135
20160036390
2016-02-04

Multi-mode integrated power amplifier

#136
20160028469
2016-01-28

Multiple-port signal boosters

#137
20160028352
2016-01-28

Efficient power amplification over large operating average power range

#138
20160013757
2016-01-14

High efficiency and high linearity adaptive power amplifier for signals with high papr

#139
20160006397
2016-01-07

Resonance suppression for envelope tracking modulator

#140
20150381401
2015-12-31

Switched capacitor transmitter circuits and methods

#141
20150381215
2015-12-31

Switched capacitor transmitter circuits and methods

#142
20150381057
2015-12-31

Power supply circuits incorporating transformers for combining of power amplifier outputs and isolation of load voltage clamping circuits

#143
20150365053
2015-12-17

Envelope tracking modulator with feedback

#144
20150349727
2015-12-03

Bandwidth limiting methods for GaN power transistors

#145
20150349716
2015-12-03

Differential output stage of an amplification device, for driving a load

#146
20150333709
2015-11-19

POWER COMBINING CIRCUIT AND POWER COMBINING METHOD

#147
20150303971
2015-10-22

Systems, devices and methods related to improved radio-frequency modules

#148
20150303961
2015-10-22

Multi-branch outphasing system and method

#149
20150303878
2015-10-22

Power amplifiers, systems, and methods

#150
20150295552
2015-10-15

Input amplitude modulated outphasing with an unmatched combiner

#151
20150295547
2015-10-15

Amplification stage and wideband power amplifier

#152
20150249433
2015-09-03

Power amplifier module

#153
20150194941
2015-07-09

Power amplifying apparatus

#154
20150194934
2015-07-09

Quadrature modulator

#155
20150194884
2015-07-09

Direct current (DC)-DC converter having a multi-stage output filter

#156
20150180428
2015-06-25

Enhanced and versatile N-way doherty power amplifier

#157
20150180419
2015-06-25

High-frequency amplifier

#158
20150171802
2015-06-18

Signal amplifier having inverted topology

#159
20150155840
2015-06-04

Multiple-state, switch-mode power amplifier systems and methods of their operation

#160
20150155838
2015-06-04

Amplifier with adjustable load

#161
20150155830
2015-06-04

Multiple-state, switch-mode power amplifier systems and methods of their operation

#162
20150152833
2015-06-04

RF power amplification and distribution systems, plasma ignition systems, and methods of operation therefor

#163
20150146884
2015-05-28

Circuit for suppressing audio output noise and audio output circuit

#164
20150137891
2015-05-21

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

#165
20150137890
2015-05-21

Devices and methods for improving yield of scalable periphery amplifiers

#166
20150137889
2015-05-21

Devices and methods for increasing reliability of scalable periphery amplifiers

#167
20150119107
2015-04-30

Doherty amplifier structure

#168
20150084696
2015-03-26

Amplification circuit

#169
20150084502
2015-03-26

Voltage supply for electrical focusing of electron beams

#170
20150078482
2015-03-19

Transformer-based RF power amplifier

#171
20150070097
2015-03-12

CONFIGURABLE MULTIMODE MULTIBAND INTEGRATED DISTRIBUTED POWER AMPLIFIER

#172
20150061775
2015-03-05

Wideband amplifier

#173
20150035603
2015-02-05

Feed-forward amplifier device and method thereof

#174
20140340155
2014-11-20

Linearization of heterogeneous power amplifier systems

#175
20140333383
2014-11-13

Quadrature lattice matching network

#176
20140253247
2014-09-11

Power amplifying device and transmitter

#177
20140232483
2014-08-21

Combiner for an RF power amplifier

#178
20140232466
2014-08-21

Linear amplifier and multistage linear amplifier

#179
20140218104
2014-08-07

Power amplification device

#180
20140077875
2014-03-20

High efficiency and high linearity adaptive power amplifier for signals with high PAPR

#181
20140055196
2014-02-27

Power amplifying apparatus for amplifying power and transmitter for transmitting signal by amplifying power

#182
20140049318
2014-02-20

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

#183
20140015604
2014-01-16

Amplifier circuit, method and mobile communication device

#184
20140002192
2014-01-02

System and method for a cascoded amplifier

#185
20130293310
2013-11-07

Dual inductive element charge pump buck and buck power supplies

#186
20130271224
2013-10-17

Multiband RF switch ground isolation

#187
20130271221
2013-10-17

Direct current (DC)-DC converter having a multi-stage output filter

#188
20130265108
2013-10-10

Extremely high frequency dual-mode class AB power amplifier

#189
20130217341
2013-08-22

High efficiency path based power amplifier circuitry

#190
20130177106
2013-07-11

Multiple functional equivalence digital communications interface

#191
20130147445
2013-06-13

Voltage multiplier charge pump buck

#192
20130135052
2013-05-30

Interference reduction between RF communications bands

#193
20130082774
2013-04-04

Linearity power amplification device

#194
20130049867
2013-02-28

Class of power amplifiers for improved back off operation

#195
20130043944
2013-02-21

Cascaded converged power amplifier

#196
20130038389
2013-02-14

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for error correction

#197
20130032817
2013-02-07

Power amplifier

#198
20120319771
2012-12-20

Apparatus for calibrating amplitude and phase errors, multiport amplifier including the same, and method of amplifying the multiport amplifier

#199
20120302186
2012-11-29

Independent PA biasing of a driver stage and a final stage

#200
20120299661
2012-11-29

PA bias power supply undershoot compensation

#201
20120299660
2012-11-29

Selecting PA bias levels of RF PA circuitry during a multislot burst

#202
20120299647
2012-11-29

PA envelope power supply undershoot compensation

#203
20120299646
2012-11-29

Selecting a converter operating mode of a PA envelope power supply

#204
20120299645
2012-11-29

Temperature correcting an envelope power supply signal for RF PA circuitry

#205
20120299644
2012-11-29

System and a method for amplifying a signal by multiple non-linear power amplifiers

#206
20120287952
2012-11-15

APPARATUS AND METHODS FOR HIGH VOLTAGE AMPLIFICATION WITH LOW NOISE

#207
20120282869
2012-11-08

RF PA linearity requirements based converter operating mode selection

#208
20120280755
2012-11-08

FLIP-CHIP POWER AMPLIFIER AND IMPEDANCE MATCHING NETWORK

#209
20120280752
2012-11-08

Embedded RF PA temperature compensating bias transistor

#210
20120280747
2012-11-08

Feedback based buck timing of a direct current (DC)-DC converter

#211
20120280746
2012-11-08

DC-DC converter semiconductor die structure

#212
20120243580
2012-09-27

Quadrature lattice matching network

#213
20120235736
2012-09-20

Charge pump based power amplifier envelope power supply and bias power supply

#214
20120229210
2012-09-13

Overlay class F choke

#215
20120223774
2012-09-06

Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry

#216
20120223773
2012-09-06

Linear mode and non-linear mode quadrature PA circuitry

#217
20120207252
2012-08-16

Frequency correction of a programmable frequency oscillator by propagation delay compensation

#218
20120206201
2012-08-16

Semiconductor device

#219
20120200353
2012-08-09

Power amplifier and method of operation thereof

#220
20120184233
2012-07-19

Combined RF detector and RF attenuator with concurrent outputs

#221
20120170690
2012-07-05

Auto configurable 2/3 wire serial interface

#222
20120161877
2012-06-28

PA bias power supply efficiency optimization

#223
20120126887
2012-05-24

High-efficiency power amplifier with multiple power modes

#224
20120105149
2012-05-03

Power amplifiers

#225
20120098595
2012-04-26

Quadrature power amplifier architecture

#226
20120075018
2012-03-29

Power amplifier and transmitter

#227
20120064852
2012-03-15

Low noise amplifier having both ultra-high linearity and low noise characteristic and radio receiver including the same

#228
20120049952
2012-03-01

WIDE BAND POWER AMPLIFIER

#229
20120025906
2012-02-02

Systems and Methods of RF Power Transmission, Modulation, and Amplification, Including Embodiments for Compensating for Waveform Distortion

#230
20120019325
2012-01-26

CURRENT-MODE AMPLIFIER

#231
20120019323
2012-01-26

Current-mode amplifier

#232
20110316637
2011-12-29

Amplifier module with multiple operating modes

#233
20110316628
2011-12-29

Complimentary single-ended-input OTA-C universal filter structures

#234
20110309884
2011-12-22

Solid-state RF power amplifier for radio transmitters

#235
20110309883
2011-12-22

Integrated linear power detection in an RF power amplifier

#236
20110304397
2011-12-15

High efficiency audio amplifier system

#237
20110279180
2011-11-17

Power amplifier and power amplifying method

#238
20110260771
2011-10-27

Power combiner/distributor and transmitter using the power combiner/distributor

#239
20110250854
2011-10-13

Reconfigurable wireless transmission system

#240
20110249770
2011-10-13

Passive transmitter architecture with switchable outputs for wireless applications

#241
20110230149
2011-09-22

RF power amplifier device and wireless communication terminal device

#242
20110227642
2011-09-22

Parallel forward path cartesian feedback loop and loop filter with switchable order for cartesian feedback loops

#243
20110223871
2011-09-15

Adder, and power combiner, quadrature modulator, quadrature demodulator, power amplifier, transmitter and wireless communicator using same

#244
20110221522
2011-09-15

Sharing of inductor interstage matching in parallel amplification system for wireless communication systems

#245
20110198615
2011-08-18

High-sensitivity, high-resolution detector devices and arrays

#246
20110193626
2011-08-11

Frequency response compensation amplifier arrangements

#247
20110175677
2011-07-21

Distributed Doherty power amplifier

#248
20110140772
2011-06-16

Self-healing power amplifier: methods and apparatus

#249
20110140761
2011-06-16

Power amplification device, and transmission device and communication device using same

#250
20110130106
2011-06-02

Power amplification device, and transmission device and communication device both using thereof

#251
20110109393
2011-05-12

Stacked pre-driver amplifier

#252
20110090010
2011-04-21

Variable gain amplification device

#253
20110070848
2011-03-24

Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier

#254
20110068873
2011-03-24

RF power amplifiers with linearization

#255
20110032035
2011-02-10

Amplifier module with multiple operating modes

#256
20110018628
2011-01-27

Dynamic bias supply devices

#257
20100327969
2010-12-30

Power amplifier having parallel amplification stages and associated impedance matching networks

#258
20100301948
2010-12-02

Low noise amplifier and mixer

#259
20100301941
2010-12-02

Receiver

#260
20100291890
2010-11-18

Receiver

#261
20100283545
2010-11-11

Multi-path, multi-stage feed-forward operational amplifier circuit

#262
20100277215
2010-11-04

Wideband voltage translators

#263
20100266066
2010-10-21

Power amplifier and radio wave transmitter having the same

#264
20100225401
2010-09-09

Semiconductor device

#265
20100225399
2010-09-09

Power amplifier, and method of controlling power amplifier

#266
20100197244
2010-08-05

Direct coupled radio frequency (RF) transceiver front end

#267
20100195547
2010-08-05

Power detector for multi-band network access

#268
20100194473
2010-08-05

Power amplifier with reconfigurable direct current coupling

#269
20100188154
2010-07-29

Trans-impedance amplifier

#270
20100188146
2010-07-29

High efficiency power amplifier having embedded switching

#271
20100156537
2010-06-24

Solid-state RF power amplifier for radio transmitters

#272
20100130249
2010-05-27

Wireless electronic device with multimode audio amplifier

#273
20100093289
2010-04-15

Phase calibration for multiple transmitter systems

#274
20100091824
2010-04-15

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