ClassID:

219558

H03F2200/207 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A hybrid coupler being used as power measuring circuit at the output of an amplifier circuit

Recent Application in this class:
#1
20230238923
2023-07-27

TRANSMITTER SYSTEM WITH HYBRID DIGITAL DRIFT/TRAP COMPENSATION

#2
20230080564
2023-03-16

MULTIPLE COUPLER PLACEMENTS IN ADVANCED TRANSMIT ARCHITECTURES

#3
20220190850
2022-06-16

Methods of detecting power of individual carrier of aggregated carrier

#4
20210270881
2021-09-02

Active noise source design

#5
20210211147
2021-07-08

DIGITAL MULTI-BAND PREDISTORTION LINEARIZER WITH NON-LINEAR SUBSAMPLING ALGORITHM IN THE FEEDBACK LOOP

#6
20210091806
2021-03-25

Methods of detecting power of individual carrier of aggregated carrier

#7
20200358640
2020-11-12

MODULATION AGNOSTIC DIGITAL HYBRID MODE POWER AMPLIFIER SYSTEM AND METHOD

#8
20190181812
2019-06-13

AUTOMATIC IMPEDANCE MATCHING USING TRUE POWER INFORMATION

#9
20190165736
2019-05-30

Envelope trackers providing compensation for power amplifier output load variation

#10
20190103890
2019-04-04

Methods of detecting power of individual carrier of aggregated carrier

#11
20190074797
2019-03-07

Linearization circuits and methods for multilevel power amplifier systems

#12
20180367171
2018-12-20

Linearization of a radiofrequency-signal transmission chain

#13
20180294540
2018-10-11

Directional coupler

#14
20180227152
2018-08-09

Modulation agnostic digital hybrid mode power amplifier system and method

#15
20180212296
2018-07-26

RF transceiver and RF transmitter of the same

#16
20180191311
2018-07-05

Systems and methods for improved power yield and linearization in radio frequency transmitters

#17
20180123521
2018-05-03

Amplifier

#18
20180054225
2018-02-22

Digital multi-band predistortion linearizer with non-linear subsampling algorithm in the feedback loop

#19
20180019715
2018-01-18

Automatic impedance matching using true power information

#20
20170302304
2017-10-19

Amplifier device for high frequency signals

#21
20170237140
2017-08-17

Wide band directional coupler

#22
20170005631
2017-01-05

Output control circuit

#23
20160381649
2016-12-29

Detecting power of individual carrier of aggregated carrier

#24
20160380652
2016-12-29

Power detection of individual carrier of aggregated carrier

#25
20160365835
2016-12-15

Apparatus and methods for power amplifiers with phase compensation

#26
20160276988
2016-09-22

Voltage detecting circuit and power amplifier

#27
20160261240
2016-09-08

Systems and methods for improved power yield and linearization in radio frequency transmitters

#28
20160164553
2016-06-09

Linear composite transmitter utilizing composite power amplification

#29
20160094190
2016-03-31

Automatic impedance matching using true power information

#30
20160043754
2016-02-11

Single tone RF signal generator

#31
20160036386
2016-02-04

Dynamic bias current adjustment for power amplifiers

#32
20160013764
2016-01-14

Amplifier device and wireless communication device

#33
20150372646
2015-12-24

Linearization circuits and methods for multilevel power amplifier systems

#34
20150295537
2015-10-15

Doherty power amplifier circuit

#35
20150280947
2015-10-01

Wireless transmission device

#36
20150222233
2015-08-06

Amplification device and amplification method

#37
20150145599
2015-05-28

Radio frequency signal amplifying system

#38
20150111511
2015-04-23

Transmission apparatus and transmission method

#39
20150105033
2015-04-16

Apparatus and methods for phase compensation in power amplifiers

#40
20150102859
2015-04-16

AMPLIFYING APPARATUS, COMMUNICATION APPARATUS AND AMPLIFICATION METHOD

#41
20150088445
2015-03-26

Dynamic characterisation of amplifier using multiple envelope shaping functions

#42
20150010110
2015-01-08

Modulation agnostic digital hybrid mode power amplifier system and method

#43
20140376676
2014-12-25

Methods, devices, and algorithms for the linearization of nonlinear time variant systems and the synchronization of a plurality of such systems

#44
20140306761
2014-10-16

Power amplifier

#45
20140306757
2014-10-16

Systems and methods for adaptive power amplifier linearization

#46
20140292614
2014-10-02

Wide-band coupler

#47
20140253247
2014-09-11

Power amplifying device and transmitter

#48
20140219174
2014-08-07

Remote radio head unit system with wideband power amplifier and method

#49
20140218106
2014-08-07

Power amplifier power controller

#50
20140099907
2014-04-10

Rugged IQ receiver based RF gain measurements

#51
20140055196
2014-02-27

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

#52
20140050282
2014-02-20

VSWR measurement circuit, radio communication apparatus, VSWR measurement method, and recording medium having VSWR measurement program stored thereon

#53
20140009228
2014-01-09

Pre-distortion for fast power transient waveforms

#54
20130315344
2013-11-28

RF transmitter and method of operation

#55
20130285740
2013-10-31

Dynamic characterisation of amplifier AM-PM distortion

#56
20130223565
2013-08-29

Transmitter linearized using look-up table with unadaptable data and method therefor

#57
20130165060
2013-06-27

Architecture of nonlinear RF filter-based transmitter

#58
20130122837
2013-05-16

Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance

#59
20130122834
2013-05-16

Broadband amplifier system using a 3dB quadrature combiner to dynamically modulate load impedance

#60
20130113560
2013-05-09

Power amplifying circuit and high-frequency module

#61
20130094610
2013-04-18

Digital multi-band predistortion linearizer with nonlinear subsampling algorithm in the feedback loop

#62
20130033317
2013-02-07

Pre-distortion for fast power transient waveforms

#63
20130021958
2013-01-24

Method and system for minimizing power consumption in a communication system

#64
20120326777
2012-12-27

Amplifier circuit and radio communication apparatus

#65
20120286867
2012-11-15

Amplifier apparatus, radio transmitting apparatus including same, and method of adjusting gain of amplifier apparatus

#66
20120280748
2012-11-08

Multi-port amplification device that self-compensates in the presence of traffic

#67
20120229206
2012-09-13

Minimum feedback radio architecture with digitally configurable adaptive linearization

#68
20120223777
2012-09-06

RF power amplifier circuit with mismatch tolerance

#69
20120223776
2012-09-06

Power supply controller for a multi-gain step RF power amplifier

#70
20120208477
2012-08-16

Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a GaN (gallium nitride) power amplifier device

#71
20120208476
2012-08-16

High frequency power amplifier, transmitter and mobile communication terminal using the power amplifier

#72
20120108188
2012-05-03

Systems and methods for improved power yield and linerization in radio frequency transmitters

#73
20120105170
2012-05-03

Directional couplers for use in electronic devices, and methods of use thereof

#74
20120093050
2012-04-19

Method and system for minimizing power consumption in a communication system

#75
20110310990
2011-12-22

Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus

#76
20110298539
2011-12-08

RF power amplifier circuit with mismatch tolerance

#77
20110250854
2011-10-13

Reconfigurable wireless transmission system

#78
20110158081
2011-06-30

Remote radio head unit system with wideband power amplifier and method

#79
20110156815
2011-06-30

Modulation agnostic digital hybrid mode power amplifier system and method

#80
20110148519
2011-06-23

Power amplifier power controller

#81
20110140776
2011-06-16

Variable frequency amplifier

#82
20110095821
2011-04-28

Pre-distortion method and device to enhance the power utility of power amplifiers in wireless digital communication applications

#83
20110064155
2011-03-17

Distortion compensation circuit and a distortion compensation method

#84
20110007841
2011-01-13

RF TRANSMITTER AND METHOD OF OPERATION

#85
20100330938
2010-12-30

POWER DETECTOR

#86
20100323638
2010-12-23

Phase corrector and phase correction method

#87
20100311353
2010-12-09

Multi-element amplitude and phase compensated antenna array with adaptive pre-distortion for wireless network

#88
20100295613
2010-11-25

Supply-modulated RF power amplifier and RF amplification methods

#89
20100277236
2010-11-04

Predistorter

#90
20100271123
2010-10-28

ADAPTIVE DIGITAL PREDISTORTION OF COMPLEX MODULATED WAVEFORM USING LOCALIZED PEAK FEEDBACK FROM THE OUTPUT OF A POWER AMPLIFIER

#91
20100201346
2010-08-12

RF power detector

#92
20100166109
2010-07-01

Radio station and active antenna array

#93
20100156530
2010-06-24

Distortion compensation apparatus and method

#94
20100090767
2010-04-15

RF amplification device

#95
20100090762
2010-04-15

Minimum feedback radio architecture with digitally configurable adaptive linearization

#96
20100074367
2010-03-25

ADAPTIVE COMBINER ERROR CALIBRATION ALGORITHMS IN ALL-DIGITAL OUTPHASING TRANSMITTER

#97
20100007415
2010-01-14

Signal nonlinear distoration magnitude detection method and device

#98
20090318093
2009-12-24

System and method for power detection in a power amplifier using an adjustable load

#99
20090295485
2009-12-03

DYNAMICALLY BIASING CLASS AB POWER AMPLIFIERS OVER A RANGE OF OUTPUT POWER LEVELS

#100
20090291650
2009-11-26

Adaptive predistorter coupled to a nonlinear element

#101
20090289678
2009-11-26

Method of control slope regulation and control slope regulation apparatus

#102
20090261908
2009-10-22

Power supply providing ultrafast modulation of output voltage

#103
20090189692
2009-07-30

Predistorter

#104
20090160550
2009-06-25

Predistorter

#105
20090124218
2009-05-14

RF transmitter with heat compensation and method therefor

#106
20090104882
2009-04-23

RADIO TRANSMISSION APPARATUS

#107
20080284520
2008-11-20

System and method for power detection in a power amplifier

#108
20080261541
2008-10-23

Method and Device for Amplifying an Amplitude and Phase Modulated Electric Signal

#109
20080214125
2008-09-04

Method and Apparatus For Dynamically Adjusting a Transmitter's Impedance and Implementing a Hybrid Power Amplifier Therein Which Selectively Connects Linear and Switch-Mode Power Amplifiers in Series

#110
20080187035
2008-08-07

Non-linear distortion detection method and distortion compensation amplifying device

#111
20080171523
2008-07-17

Power Amplifier Bias Control

#112
20080144709
2008-06-19

RF transmitter with predistortion and method therefor

#113
20080111622
2008-05-15

Hybrid Doherty Amplifier System and Method

#114
20080090539
2008-04-17

Fuzzy logic control of an RF power amplifier for automatic self-tuning

#115
20080080549
2008-04-03

Method and system for minimizing power consumption in a communication system

#116
20080068080
2008-03-20

Spectrum analyzing method, distortion detector and distortion compensation amplifying device

#117
20080055000
2008-03-06

Amplification apparatus

#118
20080032642
2008-02-07

Adaptive predistorter coupled to a nonlinear element

#119
20080019532
2008-01-24

System and method using the pilot frequency from a positive feedback pilot system to improve second loop convergence for a feedforward amplifier

#120
20070296494
2007-12-27

Predistorter

#121
20070287393
2007-12-13

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

#122
20070285158
2007-12-13

Amplifier unit and method of detecting failure in the same

#123
20070259630
2007-11-08

Controller for a radio-frequency amplifier

#124
20070241816
2007-10-18

Signal extraction circuit and distortion-compensated amplifier incorporating the same

#125
20070057729
2007-03-15

Power amplifier and wireless communication device

#126
20070024360
2007-02-01

Power supply providing ultrafast modulation of output voltage

#127
20070021078
2007-01-25

Transmitting arrangement, transreceiver with a transmitting arrangement and method for signal processing

#128
20060280261
2006-12-14

System and method for controlling power output from a power amplifier

#129
20060270366
2006-11-30

Dual voltage regulator for a supply voltage controlled power amplifier in a closed power control loop

#130
20060267688
2006-11-30

High frequency power amplifier, transmitter and mobile communication terminal using the power amplifier

#131
20060232332
2006-10-19

Adaptive predistortion linearized amplifier system employing selective sampling

#132
20060008028
2006-01-12

Power amplifier linearization methods and apparatus using predistortion in the frequency domain

#133
20060008027
2006-01-12

Method for the adaptive pre-distortion of digital raw data values and device for carrying out said method

#134
20050227640
2005-10-13

Method and apparatus for dynamically adjusting a transmitter's impedance

#135
20050059362
2005-03-17

Method and apparatus providing integrated load matching using adaptive power amplifier compensation