ClassID:

220253

H03G3/3047 - CPC Classification

Classification description:

Gain control in amplifiers or frequency changers without distortion of the input signal; Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals

Recent Application in this class:
#1
20240223227
2024-07-04

CONSOLIDATION OF AMPLIFIER RAMPING FOR 2G AND 5G TRANSMISSION

#2
20230132419
2023-05-04

RF power amplifier with compensated current and gain from turn-on to end of long burst

#3
20230025847
2023-01-26

Audio power source with improved efficiency

#4
20210226590
2021-07-22

Gain transient response compensation

#5
20210167744
2021-06-03

Audio power source with improved efficiency

#6
20210083638
2021-03-18

Amplifier circuitry and method of amplification

#7
20210006216
2021-01-07

Power management in transceivers

#8
20200382088
2020-12-03

Apparatus and methods for vector modulator phase shifters

#9
20200373887
2020-11-26

Temperature compensated power amplifier gain

#10
20200244232
2020-07-30

Power semiconductor device with charge trapping compensation

#11
20200228082
2020-07-16

Audio power source with improved efficiency

#12
20200036403
2020-01-30

REDUCING POWER AMPLIFIER GAIN DRIFT DURING A DATA BURST

#13
20190357225
2019-11-21

Harmonizing noise aggregation and noise management in distributed antenna system

#14
20190280665
2019-09-12

OUTPUT POWER STABILIZATION CIRCUIT AND HIGH OUTPUT AMPLIFIER DEVICE USING SAME

#15
20190260337
2019-08-22

Power management in transceivers

#16
20190245492
2019-08-08

TEMPERATURE COMPENSATED POWER AMPLIFIER GAIN

#17
20190214956
2019-07-11

Audio power source with improved efficiency

#18
20190044578
2019-02-07

Apparatus and methods for beam refinement

#19
20180351586
2018-12-06

Reducing power amplifier gain drift during a data burst

#20
20180294788
2018-10-11

Power amplification module

#21
20180226933
2018-08-09

Power amplifier module

#22
20180198425
2018-07-12

Power management in transceivers

#23
20180175868
2018-06-21

Generation of fast frequency ramps

#24
20180152164
2018-05-31

Method of switching on and off a power amplifier, related power amplifier circuit, system and computer program product

#25
20180152155
2018-05-31

Regulation of an RF amplifier

#26
20180115287
2018-04-26

Temperature compensated power amplifier gain

#27
20170373643
2017-12-28

Power control method, device and communication terminal for radio frequency power amplifier

#28
20170302238
2017-10-19

DC offset cancellation circuit

#29
20170141857
2017-05-18

Method for calibrating a frequency synthesiser using two-point FSK modulation

#30
20170054424
2017-02-23

Amplification circuit

#31
20170019082
2017-01-19

Power amplification module

#32
20160150489
2016-05-26

Radio frequency receiver and automatic gain control method of radio frequency receiver

#33
20160072445
2016-03-10

Power amplifier module

#34
20150303985
2015-10-22

Method, system, and apparatus for RF switching amplifier

#35
20150295550
2015-10-15

Power management in transceivers

#36
20150130537
2015-05-14

Power amplification module

#37
20150110222
2015-04-23

System and method for amplifying a signal

#38
20140233676
2014-08-21

Control method and equipment for radio-frequency signal

#39
20140225667
2014-08-14

Power management in transceivers

#40
20140204993
2014-07-24

Method, apparatus and system for controlling carrier power amplifier of base station

#41
20140079141
2014-03-20

Method and apparatus for removing acoustic incident signal

#42
20140044216
2014-02-13

Method, system, and apparatus for RF switching amplifier

#43
20130307627
2013-11-21

Integrated start-up bias boost for dynamic error vector magnitude enhancement

#44
20130307625
2013-11-21

Integrated start-up bias boost for dynamic error vector magnitude enhancement

#45
20130154732
2013-06-20

Power management in transceivers

#46
20130109442
2013-05-02

Methods and systems for pre-emphasis of an envelope tracking power amplifier supply voltage

#47
20130034144
2013-02-07

System and method of prebias for rapid power amplifier response correction

#48
20130027130
2013-01-31

Collector boost

#49
20120281775
2012-11-08

METHOD AND ARRANGEMENT IN A CELLULAR COMMUNICATIONS SYSTEM

#50
20120252520
2012-10-04

Method and system for controlling signal transmission of a wireless communication device

#51
20120238331
2012-09-20

Systems and techniques for reducing power consumption in a mobile computing device

#52
20120218039
2012-08-30

Systems and methods for saturation correction in a power control loop

#53
20120176196
2012-07-12

Power management system for multi-carriers transmitter

#54
20120157016
2012-06-21

Transmitter, RF transmitter signal processor and method for operation of transmitter

#55
20120142289
2012-06-07

Circuit arrangement and method for setting an analog output signal

#56
20120134401
2012-05-31

System and method for closed loop power control calibration

#57
20120086512
2012-04-12

Method, system, and apparatus for RF switching amplifier

#58
20120020294
2012-01-26

System and method for dynamically improving call connection

#59
20120001693
2012-01-05

Power amplifier amplitude modulator system and method

#60
20110306385
2011-12-15

Method, apparatus and system for controlling carrier power amplifier of base station

#61
20110230149
2011-09-22

RF power amplifier device and wireless communication terminal device

#62
20110228816
2011-09-22

Setting a transmission power level for a mobile unit

#63
20110221523
2011-09-15

Operating parameter control for a power amplifier

#64
20110193629
2011-08-11

Tracking power supply, method for controlling power supply, and communication apparatus

#65
20110191606
2011-08-04

Fast tracking power supply device, fast tracking power supply control method, and communication equipment

#66
20110171921
2011-07-14

Method and apparatus for removing acoustic incident signal

#67
20110128078
2011-06-02

System and method of prebias for rapid power amplifier response correction

#68
20110059707
2011-03-10

Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same

#69
20110051829
2011-03-03

Method and arrangement in a cellular communications system

#70
20110032030
2011-02-10

Systems and methods for saturation detection and corection in a power control loop

#71
20100327927
2010-12-30

Method and system for controlling radio frequency power

#72
20100311453
2010-12-09

DEVICE, SYSTEM AND METHOD OF INTERFACING BETWEEN A BASEBAND (BB) MODULE AND A RADIO-FREQUENCY (RF) MODULE OF A WIRELESS COMMUNICATION DEVICE

#73
20100298035
2010-11-25

Wireless communication unit, integrated circuit and method of power control therein

#74
20100202421
2010-08-12

Method and transmitter for transmitting a signal in a time slot of a channel comprising a plurality of time slots employing a reference ramp pattern

#75
20100177848
2010-07-15

Transmitter with reduced spectral regrowth and associated methods

#76
20100167670
2010-07-01

Detector with bandwidth compensation

#77
20100159848
2010-06-24

System and method for saturation detection, correction and recovery in a polar transmitter

#78
20100153049
2010-06-17

Apparatus, system, and method for calculating a non-linearity metric

#79
20100150207
2010-06-17

Setting a transmission power level for a mobile unit

#80
20100136935
2010-06-03

Method and system for WCDMA power amplifier closed loop power control

#81
20100102887
2010-04-29

Electronic component for high frequency power amplification

#82
20100081402
2010-04-01

Power control circuitry for a mobile terminal application

#83
20100079209
2010-04-01

Setting an output level of an amplifier apparatus

#84
20100056080
2010-03-04

Transmission circuit and communication device

#85
20100029228
2010-02-04

EDGE POWER RAMP USING LOGARITHMIC RESISTOR ATTENUATOR

#86
20100029225
2010-02-04

Polar modulation transmission apparatus

#87
20100029224
2010-02-04

Polar modulation transmission apparatus

#88
20100027596
2010-02-04

Closed-loop digital power control for a wireless transmitter

#89
20100003932
2010-01-07

Transmitter and communication apparatus using the same

#90
20090323862
2009-12-31

Mobile telecommunication device and ramping data transmitting method thereof

#91
20090312071
2009-12-17

Devices for controlling amplification of a signal emitted by a mobile terminal and increasing the autonomy of the mobile terminal

#92
20090289678
2009-11-26

Method of control slope regulation and control slope regulation apparatus

#93
20090285330
2009-11-19

Loop delay and gain control methods in closed-loop transmitters and wireless devices

#94
20090280758
2009-11-12

Wireless communication unit and power control system thereof

#95
20090264091
2009-10-22

Method and system for closed loop power control in wireless systems

#96
20090237156
2009-09-24

Power amplifiers having improved startup linearization and related operating methods

#97
20090227217
2009-09-10

Radio terminal and transmission power control method

#98
20090203336
2009-08-13

Detector with complementary response slope

#99
20090202017
2009-08-13

Distortion control device and method

#100
20090196215
2009-08-06

Wireless repeater with smart uplink

#101
20090191907
2009-07-30

Method and apparatus for adaptively controlling signals

#102
20090190464
2009-07-30

Method and apparatus for adaptively controlling signals

#103
20090180530
2009-07-16

Apparatus and method for amplifying signal power in a communication system

#104
20090174381
2009-07-09

CONTROLLER FOR A POWER SUPPLY

#105
20090154596
2009-06-18

RF transmitter having multiple constant transmit power levels

#106
20090128234
2009-05-21

Two-peak-power-level control method and device for a pulse-mode amplifier

#107
20090097581
2009-04-16

Method and apparatus for adaptively controlling signals

#108
20090088100
2009-04-02

Method and apparatus for regulating a power amplifier

#109
20090088098
2009-04-02

Gain control methods for wireless devices and transmitters

#110
20090054018
2009-02-26

System and method for power control in a wireless transmitter

#111
20090015333
2009-01-15

Power amplifier module and a time division multiple access radio

#112
20090015324
2009-01-15

Power amplifier amplitude modulator system and method

#113
20080310552
2008-12-18

Ramping in multimode transmitters using primed filters

#114
20080305756
2008-12-11

Power control circuit, semiconductor device and transceiver circuit using the same

#115
20080300027
2008-12-04

Systems and techniques for reducing power consumption in a mobile computing device

#116
20080299923
2008-12-04

Wireless subscriber communication unit and method of power control with back-off therefore

#117
20080297124
2008-12-04

Transmission method, apparatus and module

#118
20080287079
2008-11-20

Transmitter, RF transmitter signal processor and method for operation of transmitter

#119
20080278235
2008-11-13

Method and apparatus for protecting devices in an RF power amplifier

#120
20080240211
2008-10-02

Autonomously generating ramp profiles in a transceiver

#121
20080233885
2008-09-25

System and method for dynamically improving call connection

#122
20080232436
2008-09-25

Average power control of wireless transmission having a variable duty cycle

#123
20080231358
2008-09-25

Power amplifier circuit

#124
20080150637
2008-06-26

Electronics parts for high frequency power amplifier

#125
20080125061
2008-05-29

RF power amplifying device and wireless communication terminal device

#126
20080113635
2008-05-15

Regulation of an amplification apparatus

#127
20080101185
2008-05-01

System and method for closed loop power control calibration

#128
20080094138
2008-04-24

Monotonic and voltage supply independent automatic gain control amplifier

#129
20080094137
2008-04-24

Power control and modulation of switched-mode power amplifiers with one or more stages

#130
20080070536
2008-03-20

METHOD AND APPARATUS FOR ESTIMATING AND CONTROLLING INITIAL TIME SLOT GAIN IN A WIRELESS COMMUNICATION SYSTEM

#131
20080061875
2008-03-13

System and method for power amplifier output power control

#132
20080061874
2008-03-13

System and method for power amplifier output power control

#133
20080048781
2008-02-28

Circuit arrangement and method for setting an analog output signal

#134
20080045165
2008-02-21

Method and apparatus for controlling a TX power amplifier

#135
20080039033
2008-02-14

Method and apparatus for controlling a TX power amplifier

#136
20080031382
2008-02-07

Low distortion radio frequency (RF) limiter

#137
20080024225
2008-01-31

RF power amplifier

#138
20080009248
2008-01-10

Polar transmitter having a dynamically controlled voltage regulator and method for operating same

#139
20080007192
2008-01-10

Temperature-dependent power adjustment of transmitter

#140
20070296490
2007-12-27

dB-linear analog variable gain amplifier (VGA) realization system and method

#141
20070290747
2007-12-20

System and method for polar modulation using power amplifier bias control

#142
20070287393
2007-12-13

System and method for providing a transmitter for polar modulation and power amplifier linearization

#143
20070270174
2007-11-22

Antenna matching measurement and amplification control

#144
20070270111
2007-11-22

Dual power mode transmitter

#145
20070264947
2007-11-15

System and method for saturation detection and compensation in a polar transmitter

#146
20070264946
2007-11-15

System and method for saturation detection, correction and recovery in a polar transmitter

#147
20070254592
2007-11-01

Method and apparatus for adaptively controlling signals

#148
20070239152
2007-10-11

Electrolytic depilation device

#149
20070238424
2007-10-11

Apparatus for radio telecommunication system and method of building up output power

#150
20070236292
2007-10-11

Fast settling power amplifier regulator

#151
20070201580
2007-08-30

Semiconductor integrated circuit for communication, radio-communication apparatus, and transmission starting method

#152
20070194852
2007-08-23

Radio frequency power amplifying module with hetero junction bipolar transistor

#153
20070190949
2007-08-16

Transmitter power amplifier ramping method

#154
20070184797
2007-08-09

Apparatus for radio telecommunication system and method of building up output power

#155
20070184792
2007-08-09

RF power amplifier controller circuit

#156
20070183531
2007-08-09

Multi-mode selectable modulation architecture calibration and power control apparatus, system, and method for radio frequency power amplifier

#157
20070165744
2007-07-19

Transmission circuit and communication apparatus comprising the same

#158
20070159258
2007-07-12

Radiofrequency (RF) and/or microwave power amplification device and corresponding radiocommunication terminal

#159
20070153937
2007-07-05

Power control circuitry for a mobile terminal application

#160
20070149239
2007-06-28

Determining an inter-slot power level

#161
20070103238
2007-05-10

Method and apparatus for protecting devices in an RF power amplifier

#162
20070072652
2007-03-29

Controlling power output of a transceiver

#163
20070072577
2007-03-29

Single chip GSM/EDGE transceiver architecture with closed loop power control

#164
20070072575
2007-03-29

Direct conversion receiver having a subharmonic mixer

#165
20070072556
2007-03-29

Variable gain frequency multiplier

#166
20070066250
2007-03-22

Electronic parts for high frequency power amplifier and wireless communication device

#167
20070063765
2007-03-22

Power control and modulation of switched-mode power amplifiers with one or more stages

#168
20070054635
2007-03-08

Wireless transmitter having polar loop controller with current feedback and methods

#169
20070046370
2007-03-01

High-frequency power amplifier

#170
20070030073
2007-02-08

High frequency power amplifier circuit and radio communication system

#171
20070026838
2007-02-01

Power amplifier with VSWR detection and correction feature

#172
20070026824
2007-02-01

Electronic component for amplifying high frequency and radio communication system

#173
20070014381
2007-01-18

Polar loop radio frequency (RF) transmitter having increased dynamic range amplitude control

#174
20070013567
2007-01-18

Transmission circuit and communication device

#175
20070008037
2007-01-11

High frequency power amplifier circuit and radio communication system

#176
20060293003
2006-12-28

High-efficiency modulating RF amplifier

#177
20060293002
2006-12-28

High-efficiency modulating RF amplifier

#178
20060279359
2006-12-14

High-frequency power amplifier circuit and electronic part for communication

#179
20060262879
2006-11-23

Method and apparatus for controlling spurious transmissions in a communications system

#180
20060244533
2006-11-02

Sliding bias circuit for enabling dynamic control of quiescent current in a linear power amplifier

#181
20060244523
2006-11-02

Power control and modulation of switched-mode power amplifiers with one or more stages

#182
20060214729
2006-09-28

High frequency power amplifier circuit

#183
20060214649
2006-09-28

Voltage control circuit and method for supplying an electrical component with a supply voltage

#184
20060202756
2006-09-14

Radio-frequency power amplifier apparatus and method of adjusting output power thereof

#185
20060197600
2006-09-07

High frequency power amplifier circuit device

#186
20060192616
2006-08-31

Electronics parts for high frequency power amplifier

#187
20060189285
2006-08-24

Communication semiconductor integrated circuit, a wireless communication apparatus, and a loop gain calibration method

#188
20060170499
2006-08-03

Closed loop power control with high dynamic range

#189
20060159197
2006-07-20

Radio transmitter with variable amplifier units in the baseband section and in the radio-frequency section of the transmission path

#190
20060154626
2006-07-13

Method and apparatus for controlling a transmitter

#191
20060145764
2006-07-06

Power control circuit and method

#192
20060140145
2006-06-29

Radio transmitter and transmission power adjustment method

#193
20060139094
2006-06-29

Semiconductor integrated circuit for high frequency power amplifier, electronic component for high frequency power amplifier, and radio communication system

#194
20060135096
2006-06-22

High-efficiency modulating RF amplifier

#195
20060128324
2006-06-15

Amplifier with varying supply voltage and input attenuation based upon supply voltage

#196
20060126754
2006-06-15

Efficient modulation of RF signals

#197
20060119425
2006-06-08

Voltage clamp for improved transient performance of a collector voltage controlled power amplifier

#198
20060111061
2006-05-25

Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system

#199
20060111060
2006-05-25

Power control circuit, semiconductor device and transceiver circuit using the same

#200
20060098617
2006-05-11

Multi-mode radio frequency transmitter

#201
20060087373
2006-04-27

Apparatus and method for controlling bias adaptation bias of a high power amplifier

#202
20060071652
2006-04-06

Power measuring apparatus, power control apparatus, radio communication apparatus and power measuring method

#203
20060068726
2006-03-30

Transmitter and radio communication terminal using the same

#204
20060066404
2006-03-30

Semiconductor integrated circuit for high frequency power amplifier and electric components with the semiconductor integrated circuit

#205
20060066398
2006-03-30

High frequency power amplifier circuit and electric component for high frequency power amplifier

#206
20060046763
2006-03-02

Method and apparatus for dual mode power control

#207
20060017538
2006-01-26

Distributed active transformer power control techiques

#208
20060012435
2006-01-19

High frequency power amplification electric part and wireless communication system

#209
20060003716
2006-01-05

Radio communication terminal and gain control circuit for the same

#210
20060003712
2006-01-05

High-quality power ramping in a communications transmitter

#211
20050282508
2005-12-22

Method and apparatus for controlling a TX power amplifier

#212
20050282507
2005-12-22

Method and apparatus for controlling a TX power amplifier

#213
20050281353
2005-12-22

Method and apparatus for controlling a TX power amplifier

#214
20050260955
2005-11-24

Method for monitoring an RF power amplifier, and an RF device, a monitoring device, and an MR system corresponding thereto

#215
20050258897
2005-11-24

Amplifier arrangement and method for the compensation of a signal component in an amplifier arrangement

#216
20050245212
2005-11-03

Electronic component for amplifying high frequency power and radio communication system

#217
20050242882
2005-11-03

Wireless terminals, methods and computer program products with transmit power amplifier input power regulation

#218
20050242880
2005-11-03

Power amplifier system

#219
20050218989
2005-10-06

High-frequency power amplifier circuit and electronic part for communication

#220
20050206455
2005-09-22

Method to control the supply power being provided to a power amplifier

#221
20050206447
2005-09-22

Method to prevent saturation in power amplifier control loop

#222
20050200407
2005-09-15

High frequency power amplifier and wireless communication module

#223
20050197077
2005-09-08

Method for monitoring an RF power amplifier, and an RF device, a monitoring device, and an MR system corresponding thereto

#224
20050197066
2005-09-08

Non-linear distortion compensation circuit for multi-carrier transmission

#225
20050179498
2005-08-18

High frequency power amplifier circuit and radio communication system

#226
20050156662
2005-07-21

Amplifier predistortion and autocalibration method and apparatus

#227
20050146379
2005-07-07

High frequency power amplifier circuit

#228
20050136865
2005-06-23

Power amplifier with digital power control and associated methods

#229
20050135515
2005-06-23

Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system

#230
20050135502
2005-06-23

Method and architecture for dual-mode linear and saturated power amplifier operation

#231
20050133467
2005-06-23

RF transmitter having multiple constant transmit power levels

#232
20050130595
2005-06-16

Power control device and method for calibrating the power of a transmitter or receiver in a mobile communication network

#233
20050127992
2005-06-16

Power control and modulation of switched-mode power amplifiers with one or more stages

#234
20050122171
2005-06-09

Power source circuit for high frequency power amplifying circuit and semiconductor integrated circuit for power source and electronics component for power source

#235
20050122166
2005-06-09

Adaptive transmit power control system

#236
20050110571
2005-05-26

Variable gain amplifier

#237
20050104657
2005-05-19

System for developing a secondary control signal in a power amplifier control loop

#238
20050093625
2005-05-05

Power amplifier saturation detection and operation at maximum power

#239
20050090274
2005-04-28

Communication system

#240
20050088225
2005-04-28

Amplifier control based on load impedance and methods

#241
20050064828
2005-03-24

Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system

#242
20050054308
2005-03-10

Dual mode multi-slot EGPRS transmitter

#243
20050032487
2005-02-10

Radio transmitter with accurate power control

#244
20050024145
2005-02-03

Fast settling power amplifier regulator

#245
20050018780
2005-01-27

Global system for mobile communication (GSM) and general packet radio service (GPRS) power ramping controller and associated power ramping method

#246
20050009552
2005-01-13

Method of controlling transmission power and subscriber equipment

#247
20050009480
2005-01-13

System and method for allowing a TDMA/CDMA portable transceiver to operate with closed loop power control

#248
14624274
2015-06-30

Wireless communication device