ClassID:

219548

H03F2200/18 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal

Recent Application in this class:
#1
20250260370
2025-08-14

Cascode Amplifier Bias Circuits

#2
20250158572
2025-05-15

Standby Voltage Condition for Fast RF Amplifier Bias Recovery

#3
20250150035
2025-05-08

GATE DRIVERS FOR STACKED TRANSISTOR AMPLIFIERS

#4
20250062730
2025-02-20

LINEARIZATION USING FETS WITH DESIGNABLE PINCH OFF VOLTAGE

#5
20250038711
2025-01-30

MULTI-STAGE AMPLIFIER CIRCUITS

#6
20250023527
2025-01-16

ACTIVE BIASING AND TERMINATION APPROACH FOR DISTRIBUTED AMPLIFIER CIRCUIT

#7
20240429868
2024-12-26

Transient Stabilized Cascode Biasing

#8
20240405724
2024-12-05

Standby voltage condition for fast RF amplifier bias recovery

#9
20240364269
2024-10-31

Source Switched Split LNA

#10
20240348211
2024-10-17

Cascode amplifier bias circuits

#11
20240322760
2024-09-26

Constant VDS1 Bias Control for Stacked Transistor Configuration

#12
20240160236
2024-05-16

TRANSMISSION INTERFACE AND TRANSMITTER

#13
20240097630
2024-03-21

POWER CIRCUIT AND ELECTRONIC DEVICE

#14
20240039479
2024-02-01

Gate drivers for stacked transistor amplifiers

#15
20230396217
2023-12-07

Standby voltage condition for fast RF amplifier bias recovery

#16
20230387864
2023-11-30

Cascode amplifier bias circuits

#17
20230308087
2023-09-28

CIRCUIT ASSEMBLY FOR LIMITING THE GATE CURRENT AT A FIELD-EFFECT TRANSISTOR

#18
20230283238
2023-09-07

Transient stabilized cascode biasing

#19
20230081055
2023-03-16

Standby voltage condition for fast RF amplifier bias recovery

#20
20230006623
2023-01-05

BIAS CIRCUIT OF POWER AMPLIFIER, DEVICE AND EQUIPMENT

#21
20220399857
2022-12-15

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

#22
20220368287
2022-11-17

Cascode amplifier bias circuits

#23
20220329256
2022-10-13

Current to digital converter circuit, optical front end circuit, computed tomography apparatus and method

#24
20220190793
2022-06-16

Balanced radio frequency power amplifier, chip and communication terminal

#25
20220182016
2022-06-09

Constant VDS1 bias control for stacked transistor configuration

#26
20220158589
2022-05-19

Gate drivers for stacked transistor amplifiers

#27
20210367557
2021-11-25

Amplifying circuit and amplifying device with start-up function

#28
20210336584
2021-10-28

Source switched split LNA

#29
20210320628
2021-10-14

Power amplification module

#30
20210281220
2021-09-09

Transient stabilized cascode biasing

#31
20210242838
2021-08-05

Amplifier

#32
20210211103
2021-07-08

Impedance transformation circuit for amplifier

#33
20210194439
2021-06-24

Power amplifier circuit

#34
20210152129
2021-05-20

SUPPLY CIRCUIT

#35
20210126589
2021-04-29

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

#36
20210119583
2021-04-22

Standby voltage condition for fast RF amplifier bias recovery

#37
20210044263
2021-02-11

Power amplifier circuit

#38
20210013841
2021-01-14

Cascode amplifier bias circuits

#39
20210013837
2021-01-14

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

#40
20210006205
2021-01-07

Power amplification circuit

#41
20200395898
2020-12-17

Bias device

#42
20200389136
2020-12-10

Power amplifier arrangement

#43
20200389130
2020-12-10

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

#44
20200358640
2020-11-12

MODULATION AGNOSTIC DIGITAL HYBRID MODE POWER AMPLIFIER SYSTEM AND METHOD

#45
20200358402
2020-11-12

Gate drivers for stacked transistor amplifiers

#46
20200358401
2020-11-12

Power amplifier biasing network providing gain expansion

#47
20200350881
2020-11-05

Bias circuit for supplying a bias current to an RF power amplifier

#48
20200336106
2020-10-22

Power amplifier module

#49
20200313635
2020-10-01

Method and device for providing a bias voltage in transceivers operating in time division multiplexing operation

#50
20200295712
2020-09-17

Method and device for controlling power amplification

#51
20200266767
2020-08-20

Bias circuit based on BiFET technology for supplying a bias current to an RF power amplifier

#52
20200244226
2020-07-30

Transient stabilized cascode biasing

#53
20200244224
2020-07-30

Detector circuit

#54
20200220499
2020-07-09

Circuit structure to generate back-gate voltage bias for amplifier circuit, and related method

#55
20200186104
2020-06-11

Power amplifier circuit

#56
20200169226
2020-05-28

Power amplification module

#57
20200168734
2020-05-28

Self-biasing and self-sequencing of depletion mode transistors

#58
20200162115
2020-05-21

Devices and methods related to multi-band power amplifier

#59
20200162035
2020-05-21

Control circuit for a radio frequency power amplifier

#60
20200162031
2020-05-21

Amplification device

#61
20200144967
2020-05-07

Source switched split LNA

#62
20200127614
2020-04-23

PEAK VOLTAGE LIMITING CIRCUITS AND METHODS FOR POWER AMPLIFIERS

#63
20200099345
2020-03-26

Systems and methods for automatically biasing power amplifiers

#64
20200099344
2020-03-26

Systems and methods for fast switching time division duplex operation of power amplifiers

#65
20200052653
2020-02-13

Amplifier, circuit for trimming a bias voltage, method for amplifying an input signal and method for trimming a bias voltage

#66
20200052651
2020-02-13

Power amplifier device with improved response speed

#67
20200036341
2020-01-30

Transient stabilized cascode biasing

#68
20200036335
2020-01-30

DYNAMIC ERROR VECTOR MAGNITUDE COMPENSATION

#69
20200021251
2020-01-16

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

#70
20200007097
2020-01-02

Power amplifier system

#71
20200007088
2020-01-02

Constant Vds1 bias control for stacked transistor configuration

#72
20190356286
2019-11-21

POWER DENSITY MATCHING CIRCUITS FOR POWER AMPLIFIERS

#73
20190348954
2019-11-14

Power amplification module, method for controlling power amplification module, and high-frequency front end circuit

#74
20190341887
2019-11-07

Reconfigurable low-noise amplifier (LNA)

#75
20190319590
2019-10-17

Predistorter for compensating linearity of an amplifier

#76
20190273473
2019-09-05

HIGH-LINEARITY CMOS WIFI RF POWER AMPLIFIERS IN WIDE RANGE OF BURST SIGNALS

#77
20190267950
2019-08-29

Adaptive multiband power amplifier apparatus

#78
20190263712
2019-08-29

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

#79
20190260400
2019-08-22

Power amplification module

#80
20190245719
2019-08-08

APPARATUS AND METHODS FOR DC BIAS TO IMPROVE LINEARITY IN SIGNAL PROCESSING CIRCUITS

#81
20190245085
2019-08-08

Self-biasing and self-sequencing of depletion-mode transistors

#82
20190243169
2019-08-08

Operating a high-frequency driver circuit

#83
20190229681
2019-07-25

Power amplifier module

#84
20190229680
2019-07-25

Distortion compensation circuit

#85
20190199303
2019-06-27

Bias circuit and power amplifier circuit

#86
20190199302
2019-06-27

Power amplifier circuit

#87
20190190459
2019-06-20

Standby voltage condition for fast RF amplifier bias recovery

#88
20190182894
2019-06-13

WLAN front-end

#89
20190181816
2019-06-13

Power amplifier module

#90
20190181809
2019-06-13

Impedance transformation circuit for amplifier

#91
20190181808
2019-06-13

Power amplifier circuit

#92
20190165747
2019-05-30

APPARATUS AND METHOD FOR VOLTAGE DISTRIBUTION

#93
20190158047
2019-05-23

Switched amplifier

#94
20190158031
2019-05-23

Cascode amplifier bias circuits

#95
20190158029
2019-05-23

Gate drivers for stacked transistor amplifiers

#96
20190140600
2019-05-09

Linear doherty power amplifier

#97
20190140598
2019-05-09

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

#98
20190140594
2019-05-09

Method and device for controlling power amplification

#99
20190123695
2019-04-25

Circuitry and method for GaN device

#100
20190109574
2019-04-11

System and method for biasing an RF circuit

#101
20190103841
2019-04-04

Power amplification circuit

#102
20190068122
2019-02-28

Envelope tracking bias circuit

#103
20190058448
2019-02-21

Method and device for providing a bias voltage in transceivers

#104
20190052233
2019-02-14

Power amplification module

#105
20190028061
2019-01-24

Amplifier bias technique

#106
20190020317
2019-01-17

Current-limiting circuit for a power amplifier

#107
20190006994
2019-01-03

Power amplifier circuit

#108
20180375474
2018-12-27

Power amplifier circuit

#109
20180358962
2018-12-13

Circuits having a switch with back-gate bias

#110
20180358932
2018-12-13

METHOD AND APPARATUS FOR AMPLIFYING SIGNALS

#111
20180351518
2018-12-06

Power amplification circuit

#112
20180351514
2018-12-06

Dual-feedback amplifier limiter

#113
20180342995
2018-11-29

Power amplifier module

#114
20180342992
2018-11-29

Power amplifier circuit

#115
20180342985
2018-11-29

Envelope-tracking control techniques for highly-efficient RF power amplifiers

#116
20180337647
2018-11-22

Large input swing circuit, corresponding device and method

#117
20180331662
2018-11-15

Method of reducing memory effect of power amplifier

#118
20180331661
2018-11-15

APPARATUS AND METHODS FOR POWER AMPLIFIER BIASING

#119
20180331660
2018-11-15

Class D audio amplifier with adjustable gate drive

#120
20180329443
2018-11-15

Current mirror device and related amplifier circuit

#121
20180302054
2018-10-18

Apparatus and methods for biasing of power amplifiers

#122
20180302045
2018-10-18

Power amplifier module

#123
20180302039
2018-10-18

Source switched split LNA

#124
20180294809
2018-10-11

Bias circuit and power amplifier having the same

#125
20180294779
2018-10-11

Dynamically configurable bias circuit for controlling gain expansion of multi-mode, single chain linear power amplifiers

#126
20180287579
2018-10-04

Controlling a power amplification stage of an audio signal amplifier

#127
20180287564
2018-10-04

Modulated supply amplifier with adjustable input parameter configuration

#128
20180287561
2018-10-04

Power amplifier

#129
20180278216
2018-09-27

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

#130
20180275709
2018-09-27

Bias circuit

#131
20180269838
2018-09-20

Schottky enhanced bias circuit

#132
20180254746
2018-09-06

Stacked PA power control

#133
20180254745
2018-09-06

Stacked power amplifier power control

#134
20180241349
2018-08-23

Power amplifier module

#135
20180234057
2018-08-16

Predistorter for compensating linearity of an amplifier

#136
20180227152
2018-08-09

Modulation agnostic digital hybrid mode power amplifier system and method

#137
20180227000
2018-08-09

Multi-band power amplifier

#138
20180226933
2018-08-09

Power amplifier module

#139
20180198429
2018-07-12

Amplification circuit

#140
20180198414
2018-07-12

Automatic bias controller for a pulsed power amplifier

#141
20180191320
2018-07-05

Amplifier with auxiliary path for maximizing power supply rejection ratio

#142
20180175807
2018-06-21

LNA with programmable linearity

#143
20180167041
2018-06-14

Bias circuitry for depletion mode amplifiers

#144
20180159487
2018-06-07

Power amplifier configurations with power density matching

#145
20180159482
2018-06-07

Radio frequency module and communication device

#146
20180152155
2018-05-31

Regulation of an RF amplifier

#147
20180145650
2018-05-24

Split cascode circuits and related communication receiver architectures

#148
20180145641
2018-05-24

RF power detector circuits

#149
20180138883
2018-05-17

Wide bandwidth variable gain amplifier and exponential function generator

#150
20180138880
2018-05-17

Power amplifier and gain reduction circuit thereof

#151
20180138872
2018-05-17

Impedance transformation circuit for amplifier

#152
20180131327
2018-05-10

Gate drivers for stacked transistor amplifiers

#153
20180123528
2018-05-03

Envelope tracking current bias circuit and power amplifier apparatus

#154
20180123517
2018-05-03

Low impedance adaptive bias scheme for power amplifier

#155
20180102742
2018-04-12

Current output circuit

#156
20180097482
2018-04-05

High-linearity CMOS WiFi RF power amplifiers in wide range of burst signals

#157
20180091099
2018-03-29

Reconfigurable low-noise amplifier (LNA)

#158
20180083578
2018-03-22

Cascode amplifier bias circuits

#159
20180083577
2018-03-22

Standby voltage condition for fast RF amplifier bias recovery

#160
20180069518
2018-03-08

Amplifier system and method for controlling amplifier

#161
20180069509
2018-03-08

Universal RF amplifier controller

#162
20180062579
2018-03-01

Power amplification circuit

#163
20180041195
2018-02-08

Buffer stage and control circuit

#164
20180034426
2018-02-01

Amplification circuit

#165
20180026583
2018-01-25

Phase, amplitude and gate-bias optimizer for Doherty amplifier

#166
20180026582
2018-01-25

Power amplifier circuit

#167
20180019713
2018-01-18

Power amplification module

#168
20180019708
2018-01-18

Detector circuit

#169
20170359033
2017-12-14

CIRCUITS AND OPERATING METHODS THEREOF FOR MONITORING AND PROTECTING A DEVICE

#170
20170359029
2017-12-14

Amplifiers operating in envelope tracking mode or non-envelope tracking mode

#171
20170353165
2017-12-07

Differential amplifiers

#172
20170346456
2017-11-30

Active RC filters

#173
20170331439
2017-11-16

Transmission module, array antenna device including transmission module, and transmission device including transmission module

#174
20170324380
2017-11-09

Power control method, device and communication terminal for improving power amplifier switch spectrum

#175
20170310282
2017-10-26

Adaptive impedance power amplifier

#176
20170302235
2017-10-19

Amplifier

#177
20170302229
2017-10-19

AMPLIFICATION DEVICE

#178
20170288616
2017-10-05

Power amplification circuit

#179
20170279424
2017-09-28

Apparatus and method for variable voltage distribution

#180
20170279416
2017-09-28

Dual output RF LNA

#181
20170279412
2017-09-28

Modulated supply amplifier with adjustable input parameter configuration

#182
20170272046
2017-09-21

Split cascode circuits and related communication receiver architectures

#183
20170264250
2017-09-14

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

#184
20170257068
2017-09-07

Systems and methods for linearizing operation of a power amplifier

#185
20170250665
2017-08-31

Controlling a power amplification stage of an audio signal amplifier

#186
20170244373
2017-08-24

Power amplifier module

#187
20170244367
2017-08-24

High linearity inductorless LNA

#188
20170244364
2017-08-24

Power-adjustable radio frequency output circuit

#189
20170244363
2017-08-24

Dynamic error vector magnitude compensation

#190
20170237461
2017-08-17

Pulse-shaping LDO provides first and second slew-rate increases in amplitude

#191
20170237403
2017-08-17

Multiplexed multi-stage low noise amplifier uses gallium arsenide and CMOS dice

#192
20170230015
2017-08-10

Auto-bias circuit for stacked FET power amplifier

#193
20170222608
2017-08-03

Adaptive bias circuit for a radio frequency (RF) amplifier

#194
20170214375
2017-07-27

Power amplification module

#195
20170207756
2017-07-20

Power amplification module

#196
20170207752
2017-07-20

Amplifier with base current reuse

#197
20170194918
2017-07-06

Impedance transformation circuit for amplifier

#198
20170170789
2017-06-15

Power amplifier circuit

#199
20170170787
2017-06-15

Apparatus and methods for power enhancement of self-biased distributed amplifiers with gate bias networks

#200
20170155366
2017-06-01

Apparatus and methods for power amplifier biasing

#201
20170149390
2017-05-25

Cascode power amplifier with switchable output matching network

#202
20170141748
2017-05-18

Amplifier system, controller of main amplifier and associated control method

#203
20170133989
2017-05-11

Bias control for stacked transistor configuration

#204
20170133987
2017-05-11

Linearity performance for multi-mode power amplifiers

#205
20170111012
2017-04-20

Method and apparatus for maintaining DC bias

#206
20170104457
2017-04-13

Multiplexed multi-stage low noise amplifier uses gallium arsenide and CMOS dies

#207
20170099038
2017-04-06

Active drain terminated distributed amplifier

#208
20170099033
2017-04-06

Current output circuit

#209
20170093355
2017-03-30

Apparatus and methods for biasing of power amplifiers

#210
20170093353
2017-03-30

Method and system for providing automatic gate bias and bias sequencing for field effect transistors

#211
20170093349
2017-03-30

Differential amplifiers with improved slew performance

#212
20170093345
2017-03-30

Power amplification module

#213
20170093340
2017-03-30

Apparatus and methods for capacitive load reduction in a mobile device

#214
20170085238
2017-03-23

Power amplifier module

#215
20170085233
2017-03-23

Amplifier system

#216
20170085232
2017-03-23

Power amplification module

#217
20170085223
2017-03-23

Modified current mirror circuit for reduction of switching time

#218
20170070199
2017-03-09

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

#219
20170040962
2017-02-09

Power amplifier having biasing with selectable bandwidth

#220
20170033745
2017-02-02

Amplifier system and device

#221
20170019081
2017-01-19

Power amplification module

#222
20170019076
2017-01-19

Process-compensated HBT power amplifier bias circuits and methods

#223
20170019075
2017-01-19

RF amplifier

#224
20170012587
2017-01-12

Power amplification circuit and transmitter

#225
20160373074
2016-12-22

Bias circuitry for depletion mode amplifiers

#226
20160344357
2016-11-24

Power control method of amplifying module

#227
20160344349
2016-11-24

Transistor package, amplification circuit including the same, and method of forming transistor

#228
20160322944
2016-11-03

Power amplification module

#229
20160322940
2016-11-03

Power amplifier and method for limiting current in power amplifier

#230
20160322939
2016-11-03

Low noise amplifier having transformer feedback and method of using the same

#231
20160315594
2016-10-27

Power amplification module

#232
20160315586
2016-10-27

POWER AMPLIFYING APPARATUS AND METHOD FOR CONTROLLING POWER AMPLIFYING APPARATUS

#233
20160308500
2016-10-20

BIAS-BOOSTING CIRCUIT WITH A MODIFIED WILSON CURRENT MIRROR CIRCUIT FOR RADIO FREQUENCY POWER AMPLIFIERS

#234
20160308498
2016-10-20

Apparatus and method for gallium nitride (GaN) amplifiers

#235
20160301405
2016-10-13

Gate pulsing gate ladder

#236
20160301368
2016-10-13

Hot carrier injection compensation

#237
20160294342
2016-10-06

CMOS RF switch device and method for biasing the same

#238
20160294336
2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

#239
20160294333
2016-10-06

Multi-band power amplifier

#240
20160276981
2016-09-22

Power amplifier

#241
20160276980
2016-09-22

Power amplifier and method of controlling output of power amplifier

#242
20160268979
2016-09-15

Amplifier

#243
20160252917
2016-09-01

Apparatus and methods for generating a variable regulated voltage

#244
20160248386
2016-08-25

Apparatus and methods for power amplifier bias circuits

#245
20160248385
2016-08-25

Amplifier compensating drift after sudden decrease of drain current

#246
20160241213
2016-08-18

Power amplifier device and circuits

#247
20160241199
2016-08-18

Control systems and methods for power amplifiers operating in envelope tracking mode

#248
20160233841
2016-08-11

Amplifier

#249
20160227603
2016-08-04

Front-end integrated circuit for WLAN applications

#250
20160218688
2016-07-28

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#251
20160218684
2016-07-28

Current analog audio amplifier

#252
20160211804
2016-07-21

Amplifier bias circuit

#253
20160204745
2016-07-14

Linear amplifier using nonlinear amplifying stage

#254
20160197746
2016-07-07

Apparatus and methods for DC bias to improve linearity in signal processing circuits

#255
20160190993
2016-06-30

Amplifiers operating in envelope tracking mode or non-envelope tracking mode

#256
20160190992
2016-06-30

Bias circuit for a transistor amplifier

#257
20160190989
2016-06-30

Optimization methods for amplifier with variable supply power

#258
20160164469
2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

#259
20160164468
2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

#260
20160142014
2016-05-19

Bias circuit for use with amplifier circuit, control method thereof, and signal amplifier

#261
20160134245
2016-05-12

Bias circuit and power amplifier having the same

#262
20160126901
2016-05-05

Amplifier topology for envelope tracking

#263
20160118942
2016-04-28

Predistortion in radio frequency transmitter

#264
20160118941
2016-04-28

Amplification of a radio frequency signal

#265
20160112018
2016-04-21

Circuits and methods for reducing supply sensitivity in a power amplifier

#266
20160112008
2016-04-21

Bias circuitry for power amplifiers

#267
20160111417
2016-04-21

Electronic circuits including a MOSFET and a dual-gate JFET

#268
20160099688
2016-04-07

Peak voltage limiting circuits and methods for power amplifiers

#269
20160094184
2016-03-31

Schottky enhanced bias circuit

#270
20160087727
2016-03-24

Optical modulator driver circuit and optical transmitter

#271
20160087592
2016-03-24

Single-end amplifier and noise cancelling method thereof

#272
20160087589
2016-03-24

Amplifier with base current reuse

#273
20160079929
2016-03-17

Method and device for controlling power amplification

#274
20160072444
2016-03-10

High-linearity CMOS WiFi RF power amplifiers in wide range of burst signals

#275
20160065135
2016-03-03

High-frequency amplifier circuit

#276
20160056779
2016-02-25

Wideband bias circuits and methods

#277
20160013766
2016-01-14

Linear FET feedback amplifier

#278
20150381123
2015-12-31

Switchable feedback circuit for radio-frequency power amplifiers

#279
20150349719
2015-12-03

Doherty power amplifier apparatus

#280
20150349715
2015-12-03

Power amplifier bias circuit having parallel emitter follower

#281
20150340992
2015-11-26

Low power multi-stacked power amplifier

#282
20150333713
2015-11-19

Control circuit for low noise amplifier and related differential and single-ended amplification devices

#283
20150295549
2015-10-15

High-frequency amplifier circuit

#284
20150295541
2015-10-15

Circuits and methods for biasing a power amplifier

#285
20150270812
2015-09-24

Electronic biasing circuit for constant transconductance

#286
20150270806
2015-09-24

Bias control for stacked transistor configuration

#287
20150249479
2015-09-03

RF switch with integrated tuning

#288
20150248136
2015-09-03

Current control for output device biasing stage

#289
20150244328
2015-08-27

PPA linearization

#290
20150244327
2015-08-27

Amplifier circuit, biasing block with output gain compensation thereof, and electronic apparatus

#291
20150244322
2015-08-27

Bias circuits and methods for stacked devices

#292
20150236658
2015-08-20

Power detector with overdrive detection

#293
20150229279
2015-08-13

Transmitter with predistorter

#294
20150207466
2015-07-23

Temperature dependent amplifier biasing

#295
20150194115
2015-07-09

Output circuit, data driver, and display device

#296
20150188505
2015-07-02

Power amplifier module

#297
20150180518
2015-06-25

Dynamic error vector magnitude compensation

#298
20150180420
2015-06-25

Amplifier, fully-differential amplifier and delta-sigma modulator

#299
20150171797
2015-06-18

Linearity performance for multi-mode power amplifiers

#300
20150171794
2015-06-18

Cascode amplifier