ClassID:

219520

H03F2200/102 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A non-specified detector of a signal envelope being used in an amplifying circuit

Recent Application in this class:
#1
20260106574
2026-04-16

POWER AMPLIFIER FOR REDUCED LOAD PULL RATIO

#2
20260088783
2026-03-26

CURRENT FEEDBACK AMPLIFIERS FOR LOAD MODULATED ENVELOPE TRACKING

#3
20260088780
2026-03-26

ADAPTIVE BIAS CONTROL OF CASCODE DRIVERS IN ENVELOPE TRACKING POWER AMPLIFIER DEVICES, SYSTEMS, AND METHODS

#4
20260088774
2026-03-26

SYSTEMS AND METHODS FOR SENSOR BASELINE DETECTION AND COMPENSATION

#5
20260088766
2026-03-26

TRACKER CIRCUIT, INTEGRATED CIRCUIT, AND AMPLIFICATION METHOD

#6
20260081562
2026-03-19

RADIO-FREQUENCY POWER SUPPLY CIRCUITS, DEVICES AND METHODS

#7
20260074660
2026-03-12

VOLTAGE GENERATING CIRCUIT

#8
20260058619
2026-02-26

RADIO FREQUENCY (RF) POWER AMPLIFIER AND RELATED SIGNAL PROCESSING CIRCUITRY AND METHODS

#9
20260058612
2026-02-26

INTERFACING METHODS IN A POWER MANAGEMENT CIRCUIT

#10
20260045960
2026-02-12

TRANSMISSION SYSTEM, TRACKER CIRCUIT, AND AMPLIFICATION METHOD

#11
20260045918
2026-02-12

ENVELOPE TRACKING BIAS ADDER

#12
20260045915
2026-02-12

AMPLIFIER CIRCUIT

#13
20260045914
2026-02-12

ADAPTIVE MULTI-LEVEL ENVELOPE TRACKING DESIGN FOR DIGITAL ENVELOPE TRACKERS

#14
20260045913
2026-02-12

RADIO FREQUENCY CIRCUIT, TRACKER MODULE AND AMPLIFICATION METHOD

#15
20260039262
2026-02-05

MULTIPLE LEVEL ENVELOPE TRACKING USING HALF BRIDGES

#16
20260039261
2026-02-05

NON-PERIODIC DIGITAL ENVELOPE TRACKING FOR POWER AMPLIFIERS

#17
20260039251
2026-02-05

LOW-VOLTAGE SWITCHES IN HIGH VOLTAGE DIGITAL ENVELOPE TRACKING

#18
20260025105
2026-01-22

TRACKER CIRCUIT AND VOLTAGE SUPPLY METHOD

#19
20260019321
2026-01-15

NON-UNIFORM DISCRETE ENVELOPE TRACKING

#20
20260019047
2026-01-15

AMPLIFIER CIRCUIT AND AMPLIFICATION METHOD

#21
20260019038
2026-01-15

TRACKER SYSTEM AND TRACKER MODULE

#22
20260019037
2026-01-15

TRACKER CIRCUIT, COMMUNICATION DEVICE, AND VOLTAGE SUPPLY METHOD

#23
20260012137
2026-01-08

POWER AMPLIFYING CIRCUIT AND CONTROL METHOD OF POWER AMPLIFYING CIRCUIT

#24
20260012136
2026-01-08

TRACKER CIRCUIT, TRACKER MODULE, AND VOLTAGE SUPPLY METHOD

#25
20260005652
2026-01-01

TRACKER CIRCUIT, TRACKER MODULE, AND VOLTAGE SUPPLY METHOD

#26
20250392329
2025-12-25

RADIO FREQUENCY MODULE

#27
20250392261
2025-12-25

DIFFERENTIAL HYBRID SUPPLY GENERATOR AND SUPPLY MODULATOR WITH MULTI-OUTPUT REGULATION

#28
20250373213
2025-12-04

INTRA-SYMBOL VOLTAGE CHANGE ACCELERATION IN A WIRELESS TRANSMISSION CIRCUIT

#29
20250364957
2025-11-27

POWER AMPLIFICATION SYSTEM, DIGITAL PREDISTORTION METHOD, AND DIGITAL PREDISTORTION CIRCUIT

#30
20250364956
2025-11-27

POWER AMPLIFICATION SYSTEM, POWER AMPLIFICATION METHOD, AND DIGITAL PREDISTORTION CIRCUIT

#31
20250350245
2025-11-13

RADIO FREQUENCY SYSTEM

#32
20250337363
2025-10-30

ELECTRONIC DEVICE INCLUDING POWER SUPPLY FOR POWER AMPLIFIER

#33
20250317112
2025-10-09

CONTROL AND CALIBRATION OF LOAD MODULATED POWER AMPLIFIERS

#34
20250300605
2025-09-25

TRANSIMPEDANCE AMPLIFIER WITH VIRTUAL GROUND SHUNT RESISTOR

#35
20250286513
2025-09-11

VOLTAGE REGULATOR TO ENABLE REDUCED MEMORY EFFECTS IN POWER AMPLIFIER

#36
20250286512
2025-09-11

TRACKER MODULE

#37
20250286511
2025-09-11

TRACKER CIRCUIT, COMMUNICATION DEVICE, AND TRACKING METHOD

#38
20250279752
2025-09-04

TRACKER MODULE AND COMMUNICATION DEVICE

#39
20250279751
2025-09-04

TRACKER MODULE AND COMMUNICATION DEVICE

#40
20250279750
2025-09-04

TRACKER MODULE AND COMMUNICATION DEVICE

#41
20250274085
2025-08-28

HIGH FREQUENCY CIRCUIT AND AMPLIFIER CIRCUIT

#42
20250260370
2025-08-14

Cascode Amplifier Bias Circuits

#43
20250260367
2025-08-14

TRACKER CIRCUIT

#44
20250253882
2025-08-07

TRANSCEIVER CIRCUIT OPERABLE IN A DYNAMIC POWER RANGE

#45
20250239977
2025-07-24

LOADLINE MODULATION POWER MANAGEMENT CIRCUIT

#46
20250239973
2025-07-24

TRACKER CIRCUIT AND TRACKING METHOD

#47
20250233559
2025-07-17

AMPLIFIER CIRCUIT, TRACKER MODULE, AMPLIFYING MODULE, AND COMMUNICATION DEVICE

#48
20250219583
2025-07-03

POWER AMPLIFIER SYSTEM WITH DYNAMIC HEADROOM GENERATOR

#49
20250202430
2025-06-19

TRACKER CIRCUIT AND TRACKING METHOD

#50
20250192738
2025-06-12

VOLTAGE RIPPLE REDUCTION IN A POWER MANAGEMENT CIRCUIT

#51
20250192737
2025-06-12

POWER AMPLIFIER SYSTEM

#52
20250183846
2025-06-05

LOAD MODULATED POWER AMPLIFIERS

#53
20250141413
2025-05-01

RECONFIGURABLE POWER AMPLIFIER SYSTEM

#54
20250132670
2025-04-24

CURRENT BALANCING CIRCUITS AND TECHNIQUES

#55
20250096748
2025-03-20

MULTI-MODE POWER MANAGEMENT APPARATUS

#56
20250096731
2025-03-20

AVERAGE POWER TRACKING MODULE, AVERAGE POWER TRACKING CIRCUIT, COMMUNICATION DEVICE, AND METHOD FOR SUPPLYING POWER SUPPLY VOLTAGE

#57
20250070731
2025-02-27

POWER AMPLIFIER CIRCUIT AND RADIO FREQUENCY SYSTEM

#58
20250070721
2025-02-27

TRACKER CIRCUIT, TRACKER MODULE, AND VOLTAGE SUPPLY METHOD

#59
20250070720
2025-02-27

TRACKER CIRCUITS AND VOLTAGE SUPPLY METHOD

#60
20250070718
2025-02-27

AMPLIFIER CIRCUIT AND AMPLIFYING METHOD

#61
20250055425
2025-02-13

Radio-frequency Amplifier with Supply and Load Modulation

#62
20250047245
2025-02-06

VIRTUAL RADIO FREQUENCY (VRF) EQUALIZER FOR ENVELOPE TRACKING INTEGRATED CIRCUIT (ETIC)

#63
20250038720
2025-01-30

CONTROL FOR RADIO-FREQUENCY AMPLIFIER

#64
20250015769
2025-01-09

SYMBOL BASED ENVELOPE TRACKING AND CREST FACTOR REDUCTION

#65
20250015761
2025-01-09

MULTI-AMPLIFIER ENVELOPE TRACKING APPARATUS

#66
20250007542
2025-01-02

ELECTRONIC DEVICE ADAPTIVELY CHANGING POWER SUPPLY CIRCUIT CONNECTED TO POWER AMPLIFIER FOR TRANSMIT POWER OF SIGNAL

#67
20240405736
2024-12-05

POWER AMPLIFIER POWER MANAGEMENT IN USER EQUIPMENT

#68
20240388473
2024-11-21

DIFFERENTIAL ENVELOPE DETECTOR HAVING COMMON MODE FEEDBACK

#69
20240372517
2024-11-07

APPARATUS AND METHOD OF POWER MANAGEMENT USING ENVELOPE STACKING

#70
20240364284
2024-10-31

EQUALIZER CIRCUIT AND RELATED POWER MANAGEMENT CIRCUIT

#71
20240364283
2024-10-31

Power Amplifier Power Supply Circuit and Communication Apparatus

#72
20240364282
2024-10-31

Wireless Circuitry with Multiple Envelope Tracking Circuits

#73
20240364268
2024-10-31

DISTRIBUTED POWER MANAGEMENT APPARATUS

#74
20240348211
2024-10-17

Cascode amplifier bias circuits

#75
20240348208
2024-10-17

POWER AMPLIFIER CIRCUIT AND RADIO FREQUENCY CIRCUIT

#76
20240333236
2024-10-03

ANALOG ET CIRCUIT, RADIO-FREQUENCY SYSTEM, COMMUNICATION DEVICE, AND VOLTAGE SUPPLY METHOD

#77
20240333220
2024-10-03

TRACKER MODULE, POWER AMPLIFIER MODULE, AND RADIO-FREQUENCY MODULE

#78
20240333218
2024-10-03

ENVELOPE TRACKING MODULATOR AND WIRELESS COMMUNICATION SYSTEM

#79
20240313711
2024-09-19

DISTORTION CORRECTION FOR FAST SUPPLY VOLTAGE CHANGES IN POWER AMPLIFIER

#80
20240275342
2024-08-15

ENVELOPE TRACKING BIAS CIRCUIT AND ENVELOPE TRACKING BIAS METHOD THEREOF

#81
20240275334
2024-08-15

MULTI-LEVEL ENVELOPE TRACKING SYSTEMS WITH SEPARATE DC AND AC PATHS

#82
20240258973
2024-08-01

TRACKER MODULE

#83
20240235589
2024-07-11

WINDOW-BASED ENVELOPE TRACKING IN A MULTI-ANTENNA TRANSMISSION CIRCUIT

#84
20240235500
2024-07-11

DIGITAL COMPENSATION SYSTEM FOR A RADIO FREQUENCY POWER AMPLIFIER MODULE

#85
20240235482
2024-07-11

Audio signal amplifying device and method

#86
20240223129
2024-07-04

Systems and methods for providing an envelope tracking supply voltage

#87
20240162863
2024-05-16

Envelope Detector And Method Thereof

#88
20240136979
2024-04-25

Delay-compensating power management circuit

#89
20240136978
2024-04-25

Audio signal amplifying device and method

#90
20240128936
2024-04-18

POWER AMPLIFIER CIRCUIT AND COMMUNICATION DEVICE

#91
20240128932
2024-04-18

POWER AMPLIFIER CIRCUIT AND POWER AMPLIFICATION METHOD

#92
20240128931
2024-04-18

FAST SWITCHED PULSED RADIO FREQUENCY AMPLIFIERS

#93
20240120893
2024-04-11

POWER AMPLIFIER

#94
20240113671
2024-04-04

SYSTEMS AND METHODS FOR PULSE SHAPING VOLTAGE TRANSITIONS IN ENVELOPE TRACKING SYSTEMS

#95
20240113663
2024-04-04

DOHERTY AMPLIFIER CIRCUIT

#96
20240048101
2024-02-08

APPARATUS AND METHODS FOR BIASING OF POWER AMPLIFIERS

#97
20240022212
2024-01-18

EQUALIZER CIRCUIT IN AN ENVELOPE TRACKING INTEGRATED CIRCUIT

#98
20240014787
2024-01-11

ENVELOPE TRACKING INTEGRATED CIRCUIT OPERABLE ACROSS WIDE MODULATION BANDWIDTH

#99
20230421184
2023-12-28

Transmitter circuit

#100
20230421118
2023-12-28

WIRELESS COMMUNICATION SYSTEM, POWER AMPLIFIER AND METHOD OF DETERMINING POWER AMPLIFIER PERFORMANCE

#101
20230387866
2023-11-30

Envelope tracking system with modeling of a power amplifier supply voltage filter

#102
20230387864
2023-11-30

Cascode amplifier bias circuits

#103
20230387861
2023-11-30

DOHERTY POWER AMPLIFIER SYSTEM

#104
20230387859
2023-11-30

Multi-level envelope tracking systems with adjusted voltage steps

#105
20230344387
2023-10-26

Apparatus and methods for envelope tracking

#106
20230318534
2023-10-05

BASEBAND FREQUENCY SELECTIVE AND SYMBOL BASED POWER ADAPTIVE MAGNITUDE AND PHASE ADJUSTMENT FOR WIDEBAND DOHERTY POWER AMPLIFIERS

#107
20230318532
2023-10-05

TEMPERATURE-COMPENSATED ENVELOPE DETECTOR CIRCUIT

#108
20230308053
2023-09-28

Dynamically biased power amplification

#109
20230291356
2023-09-14

Multi-level envelope tracking with analog interface

#110
20230276372
2023-08-31

High-frequency signal processing apparatus and wireless communication apparatus

#111
20230275547
2023-08-31

SUPPLY MODULATOR AND WIRELESS COMMUNICATION APPARATUS INCLUDING THE SAME

#112
20230253940
2023-08-10

Radio-frequency amplifier circuits, devices and methods

#113
20230253922
2023-08-10

Wide bandwidth power amplifier apparatus

#114
20230246596
2023-08-03

BARELY DOHERTY ET USING ET VCC MODULATION FOR BIAS CONTROL

#115
20230238927
2023-07-27

Voltage ripple reduction in a power management circuit

#116
20230238923
2023-07-27

TRANSMITTER SYSTEM WITH HYBRID DIGITAL DRIFT/TRAP COMPENSATION

#117
20230231521
2023-07-20

Current mode multi-input maximum signal detector

#118
20230208361
2023-06-29

Method and device for selectively supplying voltage to multiple amplifiers using switching regulator

#119
20230199671
2023-06-22

High-frequency signal processing apparatus and wireless communication apparatus

#120
20230188104
2023-06-15

POWER AMPLIFIER CHIP AND COMMUNICATION DEVICE

#121
20230188095
2023-06-15

ENVELOPE TRACKING SUPPLY MODULATOR TOPOLOGY FOR WIDE-BANDWIDTH RADIO FREQUENCY TRANSMITTER

#122
20230179151
2023-06-08

Power amplifier module, frontend circuit, and communication device

#123
20230179150
2023-06-08

ENVELOPE CONTROLLED BIASING OF AN AUXILIARY TRANSMITTER OF A DOHERTY POWER AMPLIFIER

#124
20230179149
2023-06-08

Envelope tracking system for dynamically adjusting gain compression of power amplifier in response to number of active resource blocks in channel bandwidth, associated envelope tracking method, and associated envelope tracking supply modulator circuit

#125
20230170858
2023-06-01

Power amplifier system

#126
20230128896
2023-04-27

DEVICE AND METHOD FOR ENVELOPE SIGNAL ADJUSTMENT

#127
20230124129
2023-04-20

OUTPUT STAGE CIRCUIT ASSEMBLY FOR POWER AMPLIFIER SYSTEM WITH IMPROVED POWER MANAGEMENT

#128
20230120462
2023-04-20

POWER AMPLIFIER SYSTEM WITH INCREASED OUTPUT POWER FOR ENVELOPE TRACKING APPLICATIONS

#129
20230120079
2023-04-20

Dynamic power amplifier with external forcing signal

#130
20230114571
2023-04-13

GAIN BOOSTING IN POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#131
20230113416
2023-04-13

GAIN BOOSTING IN ENVELOPE TRACKING POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#132
20230111988
2023-04-13

POWER MANAGEMENT CIRCUIT SUPPORTING PHASE CORRECTION IN AN ANALOG SIGNAL WITH REDUCED PHYSICAL PINS

#133
20230111377
2023-04-13

POWER SUPPLY SWITCH CIRCUIT AND OPERATING METHOD THEREOF

#134
20230110917
2023-04-13

Detecting water ingress in electronic power steering systems

#135
20230109988
2023-04-13

POWER SUPPLY SWITCH CIRCUIT

#136
20230105489
2023-04-06

POWER AMPLIFIER SYSTEM WITH REDUCED GAIN VARIATION FOR ENVELOPE TRACKING APPLICATIONS

#137
20230104305
2023-04-06

POWER AMPLIFIER SYSTEM WITH REDUCED GAIN VARIATION AND PUSH-PULL STAGE NEUTRALIZATION

#138
20230085587
2023-03-16

Dynamic envelope-tracking supply rail voltage setting

#139
20230069663
2023-03-02

Methods and apparatus to implement compensation circuitry in an envelope detector

#140
20230067529
2023-03-02

DEVICE FOR GENERATING TRANSMISSION PULSES BASED ON MULTIPLE KERNEL PULSES AND METHOD THEREFORE

#141
20230065932
2023-03-02

ENVELOPE TRACKING WITH DYNAMICALLY CONFIGURABLE ERROR AMPLIFIER

#142
20230063006
2023-03-02

ADAPTIVE ENVELOPE TRACKING BASED ON DETECTED TRANSMIT SIGNAL BANDWIDTH

#143
20230050531
2023-02-16

Voltage dividing capacitor circuits and supply modulators including the same

#144
20230034540
2023-02-02

Digital predistortion of signals

#145
20230026142
2023-01-26

AMPLIFIER CIRCUIT

#146
20220416735
2022-12-29

METHODS AND DEVICES FOR INCREASED EFFICIENCY IN LINEAR POWER AMPLIFIER

#147
20220416723
2022-12-29

ENVELOPE FOLLOWING BOOST CONVERTER

#148
20220416722
2022-12-29

Amplifier circuit with an envelope enhancement

#149
20220407478
2022-12-22

Envelope tracking voltage correction in a transmission circuit

#150
20220407463
2022-12-22

Wideband transmission circuit

#151
20220399861
2022-12-15

Envelope tracking integrated circuit operable with multiple types of power amplifiers

#152
20220399860
2022-12-15

Combined class d amplifier and buck regulator

#153
20220385238
2022-12-01

SYSTEM AND METHOD FOR ADJUSTING AMPLIFIER BIAS CURRENT BASED ON INPUT SIGNAL ENVELOPE TRACKING

#154
20220385237
2022-12-01

Load modulated power amplifiers

#155
20220368358
2022-11-17

Electronic device including power amplifier and front-end module including power amplifier

#156
20220368293
2022-11-17

TIME-ADVANCED PHASE CORRECTION IN A POWER AMPLIFIER CIRCUIT

#157
20220368287
2022-11-17

Cascode amplifier bias circuits

#158
20220368283
2022-11-17

POWER MANAGEMENT CIRCUIT SUPPORTING PHASE CORRECTION IN AN ANALOG SIGNAL

#159
20220360237
2022-11-10

Systems and methods for delay measurement between signals

#160
20220360223
2022-11-10

SYSTEMS AND METHODS FOR DYNAMICALLY ADJUSTING PARAMETERS OF AN ACTIVE ELECTRICAL DEVICE

#161
20220345098
2022-10-27

Power limiting system and method for a low noise amplifier of a front end interface of a radio frequency communication device

#162
20220345095
2022-10-27

Semiconductor device including high frequency amplifier circuit, electronic component, and electronic device

#163
20220345088
2022-10-27

Voltage control device

#164
20220337205
2022-10-20

System and method for adjusting amplifier bias using envelope tracking

#165
20220337199
2022-10-20

Power amplifier linearizing module and power amplifier system equipped therewith

#166
20220329217
2022-10-13

Charge pump tracker circuitry

#167
20220321060
2022-10-06

SYMBOL-POWER-TRACKING SUPPLY, AND WIRELESS DEVICE USING AMPLIFICATION SYSTEM POWERED BY THE SYMBOL-POWER-TRACKING SUPPLY

#168
20220311386
2022-09-29

Apparatus and methods for bias switching of power amplifiers

#169
20220294395
2022-09-15

Transceiver circuit

#170
20220286101
2022-09-08

Amplifier circuitry

#171
20220286093
2022-09-08

Envelope tracking for multiple power amplifiers

#172
20220286092
2022-09-08

Multi-amplifier envelope tracking apparatus

#173
20220278659
2022-09-01

Radio frequency power amplifier, chip, and communication terminal

#174
20220271714
2022-08-25

Distributed power management apparatus

#175
20220256477
2022-08-11

High-frequency signal processing apparatus and wireless communication apparatus

#176
20220255513
2022-08-11

Multi-mode power management apparatus

#177
20220239544
2022-07-28

Digital modulator, communication device, and digital modulator control method

#178
20220224294
2022-07-14

Equalizer circuit and related power management circuit

#179
20220200545
2022-06-23

Signal envelope detector, overload detector, receiver, base station and mobile device

#180
20220200534
2022-06-23

Dynamically biased power amplification

#181
20220149796
2022-05-12

Amplifiers

#182
20220115988
2022-04-14

Power management circuit operable with group delay

#183
20220115987
2022-04-14

Maximum voltage detection in a power management circuit

#184
20220109404
2022-04-07

Power amplifier bias modulation for low bandwidth envelope tracking

#185
20220103140
2022-03-31

Apparatus and method of power management using envelope-stacking

#186
20220103137
2022-03-31

Envelope tracking power amplifier apparatus

#187
20220085766
2022-03-17

Multi-level envelope tracking with analog interface

#188
20220085765
2022-03-17

Multi-level envelope tracking systems with adjusted voltage steps

#189
20220085764
2022-03-17

Multi-level envelope tracking systems with separate DC and AC paths

#190
20220069788
2022-03-03

Power amplifier power management in user equipment

#191
20220069787
2022-03-03

Power management of power amplifier modules

#192
20220060159
2022-02-24

Amplifiers

#193
20220052655
2022-02-17

Delay-compensating power management integrated circuit

#194
20220052651
2022-02-17

Systems and methods for providing an envelope tracking power supply voltage

#195
20220052650
2022-02-17

Systems and methods for providing an envelope tracking supply voltage

#196
20220052649
2022-02-17

Systems and methods for providing an envelope tracking supply voltage

#197
20220052648
2022-02-17

Systems and methods for providing an envelope tracking supply voltage

#198
20220052647
2022-02-17

Systems and methods for providing an envelope tracking supply voltage

#199
20220052646
2022-02-17

Delay-compensating power management circuit

#200
20220045647
2022-02-10

Amplifier circuit using voltage-to-current conversion and associated envelope tracking supply modulator using the same

#201
20220029541
2022-01-27

High-speed closed-loop switch-mode boost converter

#202
20220021342
2022-01-20

Envelope tracking supply modulator using linear amplifier with segmented output stage and associated wireless communication system

#203
20220021341
2022-01-20

Power amplifier circuit

#204
20220006426
2022-01-06

Apparatus and methods for biasing of power amplifiers

#205
20210399757
2021-12-23

Apparatus and methods for radio frequency signal limiting

#206
20210399697
2021-12-23

Power amplification apparatus, beamforming system, transmitter, and base station

#207
20210399691
2021-12-23

Protection circuitry

#208
20210384869
2021-12-09

Envelope tracking circuit and related power amplifier apparatus

#209
20210359651
2021-11-18

Digital controlled multi stage smart combiner

#210
20210351755
2021-11-11

Class D amplifier circuit

#211
20210344313
2021-11-04

Digital compensation system for a radio frequency power amplifier module

#212
20210344304
2021-11-04

Power amplifier module

#213
20210305950
2021-09-30

Power amplifier evaluation method and measurement system

#214
20210305942
2021-09-30

Doherty radio frequency amplifier circuitry

#215
20210288632
2021-09-16

Beamforming with phase correction

#216
20210281229
2021-09-09

Envelope tracking radio frequency front-end circuit

#217
20210281228
2021-09-09

Apparatus and method for calibrating an envelope tracking lookup table

#218
20210273614
2021-09-02

Envelope tracking system with modeling of a power amplifier supply voltage filter

#219
20210265953
2021-08-26

Average power tracking power management integrated circuit

#220
20210257971
2021-08-19

Supply modulator and wireless communication apparatus including the same

#221
20210250002
2021-08-12

Supply modulator, power amplifier having the same, method for controlling the same, and method for controlling the power amplifier

#222
20210235392
2021-07-29

High-frequency signal processing apparatus and wireless communication apparatus

#223
20210234564
2021-07-29

Digital predistortion of signals

#224
20210234512
2021-07-29

Fast envelope tracking systems for power amplifiers

#225
20210226595
2021-07-22

Power amplifier circuit

#226
20210218427
2021-07-15

Signal processing method and system

#227
20210211108
2021-07-08

Envelope tracking power management apparatus incorporating multiple power amplifiers

#228
20210211100
2021-07-08

Power amplifier module, frontend circuit, and communication device

#229
20210211098
2021-07-08

Method and device for selectively supplying voltage to multiple amplifiers by using switching regulators

#230
20210203289
2021-07-01

Power amplifier circuit

#231
20210194517
2021-06-24

Envelope tracking system having fast transition time for a radio frequency (RF) amplifier

#232
20210184710
2021-06-17

Parallel use of serial controls in improved wireless devices and power amplifier modules

#233
20210184638
2021-06-17

Class-G control system with low latency signal path

#234
20210184633
2021-06-17

Doherty power amplifier system

#235
20210184632
2021-06-17

Apparatus and methods for bias switching of power amplifiers

#236
20210167734
2021-06-03

Apparatus and methods for envelope tracking systems with automatic mode selection

#237
20210167733
2021-06-03

Automated envelope tracking system

#238
20210152201
2021-05-20

Linearization with level tracking

#239
20210145302
2021-05-20

EMG device

#240
20210143776
2021-05-13

Radio-frequency amplifiers

#241
20210135630
2021-05-06

Power amplifier circuit

#242
20210119657
2021-04-22

Distribution of clipping noise between bands

#243
20210104989
2021-04-08

Amplifier having envelope control

#244
20210099137
2021-04-01

Multi-level envelope tracking systems with adjusted voltage steps

#245
20210099136
2021-04-01

Power amplifier bias modulation for low bandwidth envelope tracking

#246
20210099135
2021-04-01

Multi-level envelope tracking with analog interface

#247
20210099134
2021-04-01

Multi-level envelope tracking systems with separate DC and AC paths

#248
20210099133
2021-04-01

Power amplifier bias modulation for multi-level supply envelope tracking

#249
20210091733
2021-03-25

FEEDBACK-BASED POWER SUPPLY FOR RADIO-FREQUENCY POWER AMPLIFIER

#250
20210091732
2021-03-25

Adaptive envelope tracking threshold

#251
20210083635
2021-03-18

Supply modulating circuit including switching circuit and wireless communication device including the supply modulating circuit

#252
20210083627
2021-03-18

HIGH-FREQUENCY AMPLIFIER

#253
20210075373
2021-03-11

Apparatus and methods for power amplifiers with positive envelope feedback

#254
20210075372
2021-03-11

Distributed feed-forward envelope tracking system

#255
20210067098
2021-03-04

Autonomous power reduction

#256
20210067097
2021-03-04

Envelope tracking supply modulator for power amplifier

#257
20210058036
2021-02-25

Control of envelope tracker PMIC

#258
20210050828
2021-02-18

Apparatus and method of power management using envelope stacking

#259
20210050819
2021-02-18

H-bridge power amplifier arrangement

#260
20210048474
2021-02-18

Mismatch detection using replica circuit

#261
20210044295
2021-02-11

Power supply circuit and apparatus

#262
20210044262
2021-02-11

Power amplifier circuit

#263
20210013841
2021-01-14

Cascode amplifier bias circuits

#264
20210006215
2021-01-07

Device and method for a wireless transmitter

#265
20210006207
2021-01-07

Multi quantized digitally controlled power supply voltage for multi amplifier stages

#266
20210006206
2021-01-07

Multi-voltage generation circuit and related envelope tracking amplifier apparatus

#267
20200412391
2020-12-31

Transmitters and methods for operating the same

#268
20200403661
2020-12-24

Envelope tracking power amplifier apparatus

#269
20200403585
2020-12-24

Notch circuit and power amplifier module

#270
20200403575
2020-12-24

Method and device for selectively supplying voltage to multiple amplifiers by using switching regulators

#271
20200403574
2020-12-24

Multi-mode envelope tracking amplifier circuit

#272
20200389136
2020-12-10

Power amplifier arrangement

#273
20200389132
2020-12-10

Charge pump tracker circuitry

#274
20200389128
2020-12-10

Power amplifier circuit

#275
20200382074
2020-12-03

Envelope tracking amplifier apparatus

#276
20200382068
2020-12-03

Amplification apparatus and method

#277
20200382066
2020-12-03

Envelope tracking integrated circuit

#278
20200382064
2020-12-03

FIBER-OPTIC NODE WITH FORWARD DATA CONTENT DRIVEN POWER CONSUMPTION

#279
20200382062
2020-12-03

Envelope tracking amplifier apparatus

#280
20200382061
2020-12-03

Envelope tracking amplifier apparatus

#281
20200382057
2020-12-03

Optocoupler emulating input stage for digital isolators

#282
20200381996
2020-12-03

Power management circuit with dual charge pump structure

#283
20200374811
2020-11-26

High-frequency signal processing apparatus and wireless communication apparatus

#284
20200366253
2020-11-19

Multi-band digital compensator for a non-linear system

#285
20200366248
2020-11-19

Envelope tracking amplifier apparatus incorporating single-wire peer-to-peer bus

#286
20200366247
2020-11-19

Envelope tracking supply modulator with zero peaking and associated envelope tracking calibration method and system

#287
20200366245
2020-11-19

Analog to analog converter with quantized digital controlled amplification

#288
20200364168
2020-11-19

Single-wire peer-to-peer bus

#289
20200358405
2020-11-12

Transceiver circuit

#290
20200350865
2020-11-05

Envelope tracking integrated circuit and related apparatus

#291
20200343865
2020-10-29

Wide bandwidth envelope trackers

#292
20200343859
2020-10-29

Envelope tracking apparatus

#293
20200336111
2020-10-22

Multi-bandwidth envelope tracking integrated circuit

#294
20200336110
2020-10-22

Apparatus and methods for envelope tracking

#295
20200336108
2020-10-22

Apparatus and methods for bias switching of power amplifiers

#296
20200336105
2020-10-22

Multi-bandwidth envelope tracking integrated circuit and related apparatus

#297
20200328720
2020-10-15

Envelope tracking power amplifier apparatus

#298
20200321673
2020-10-08

Signal processing circuit, radio frequency signal transmitter, and communications device

#299
20200313634
2020-10-01

ADAPTIVE ENVELOPE TRACKING THRESHOLD

#300
20200304082
2020-09-24

Method and apparatus for digital envelope tracking with dynamically changing voltage levels for power amplifier