ClassID:

219491

H03F3/602 - CPC Classification

Classification description:

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators Combinations of several amplifiers

Sub-classes:
Recent Application in this class:
#1
20260155788
2026-06-04

QUARTER-WAVE IMPEDANCE INVERTER IN HIGHLY COMPACT INTEGRATED PASSIVE DEVICES

#2
20260149411
2026-05-28

DOHERTY POWER AMPLIFIER MODULE WITH 90/180 OUTPUT COMBINING CIRCUIT AND OUTPUT HARMONIC TERMINATION CIRCUIT

#3
20260135524
2026-05-14

BALANCE-TYPE AMPLIFIER

#4
20260113010
2026-04-23

POWER AMPLIFIER

#5
20260095130
2026-04-02

Amplifier Circuitry with Reconfigurable Matching for Power Backoff

#6
20260081332
2026-03-19

ADJUSTABLE POWER SPLITTER/COMBINER

#7
20260066868
2026-03-05

PROGRAMMABLE POWER SPLITTER CIRCUITS AND METHODS

#8
20260066230
2026-03-05

POWER COMBINER FOR COUPLING RF SIGNALS FOR A PLASMA PROCESS SUPPLY SYSTEM AND A PLASMA PROCESS SYSTEM

#9
20260051863
2026-02-19

POWER AMPLIFIER AND ELECTRONIC DEVICE COMPRISING SAME

#10
20260039253
2026-02-05

AUTONOMOUS ANALOG ORTHOGONAL LOAD MODULATION POWER AMPLIFIER

#11
20260031764
2026-01-29

ARCHITECTURE FOR DOHERTY POWER AMPLIFIER OUTPUT POWER COMBINING

#12
20260012137
2026-01-08

POWER AMPLIFYING CIRCUIT AND CONTROL METHOD OF POWER AMPLIFYING CIRCUIT

#13
20250392275
2025-12-25

POWER AMPLIFIER

#14
20250364951
2025-11-27

DOHERTY AMPLIFIER CIRCUIT

#15
20250357906
2025-11-20

RADIO FREQUENCY POWER AMPLIFIER

#16
20250357899
2025-11-20

HIGH FREQUENCY POWER AMPLIFIER

#17
20250343514
2025-11-06

AMPLIFICATION CIRCUIT AND COMMUNICATION DEVICE

#18
20250337378
2025-10-30

POWER AMPLIFIER COMBINER

#19
20250293650
2025-09-18

POWER AMPLIFIER SYSTEM

#20
20250279753
2025-09-04

HIGH FREQUENCY AMPLIFIER

#21
20250260376
2025-08-14

Hybrid Couplers with Asymmetric Port Impedances for Balanced Amplifiers and Load-Modulated Balanced Amplifiers

#22
20250247060
2025-07-31

MULTI-MODE POWER AMPLIFIER FOR LOAD IMPEDANCE VARIATION

#23
20250226804
2025-07-10

POWER SPLITTER AND A POWER AMPLIFIER

#24
20250219585
2025-07-03

BROADBAND SLIDING-MODE OUTPHASING POWER AMPLIFIER WITH HIGH EFFICIENCY

#25
20250191885
2025-06-12

METHOD FOR SUPPLYING A LASER OR PLASMA WITH POWER, AND PLASMA OR LASER SYSTEM

#26
20250158573
2025-05-15

PSEUDO-DOHERTY LOAD MODULATED BALANCED AMPLIFIER

#27
20250141405
2025-05-01

DOHERTY AMPLIFIER, OUTPUT NETWORK, AND DESIGN METHOD OF DOHERTY AMPLIFIER

#28
20250105794
2025-03-27

POWER AMPLIFICATION DEVICE

#29
20250096733
2025-03-20

DOHERTY AMPLIFIER WITH ISOLATION STRUCTURE

#30
20250038720
2025-01-30

CONTROL FOR RADIO-FREQUENCY AMPLIFIER

#31
20250038716
2025-01-30

SYSTEMS AND METHODS FOR MODULAR POWER AMPLIFIERS

#32
20240333231
2024-10-03

POWER AMPLIFIER CIRCUIT

#33
20240322775
2024-09-26

THREE-DIMENSIONAL POWER COMBINERS

#34
20240297620
2024-09-05

MULTIBAND DOHERTY POWER AMPLIFIER ARRANGEMENTS WITH HYBRID COMBINERS

#35
20240275346
2024-08-15

OUTPHASING AMPLIFIER AND METHOD OF MANUFACTURING THE SAME

#36
20240235490
2024-07-11

POWER AMPLIFIER CIRCUIT

#37
20240204730
2024-06-20

POWER AMPLIFIER

#38
20240162974
2024-05-16

System for operating multiple transceiver modules concurrently

#39
20240146255
2024-05-02

AMPLIFIER

#40
20240080088
2024-03-07

Dual-polarization beamforming

#41
20240048106
2024-02-08

RADIO FREQUENCY POWER AMPLIFIER MODULE

#42
20240014784
2024-01-11

POWER AMPLIFIER

#43
20230308061
2023-09-28

MICROWAVE POWER AMPLIFIER

#44
20230261615
2023-08-17

POWER AMPLIFIER USING COUPLER AND ELECTRONIC DEVICE INCLUDING THE SAME

#45
20230253940
2023-08-10

Radio-frequency amplifier circuits, devices and methods

#46
20230198471
2023-06-22

SINGLE-INPUT BROADBAND DOHERTY-HDMAX CONTINUUM POWER AMPLIFIER

#47
20230188107
2023-06-15

SOLID-STATE HYPERFREQUENCY AMPLIFIER AND POWER COMBINER COMPRISING FOUR SUCH SOLID-STATE AMPLIFIERS

#48
20230155556
2023-05-18

MATCHING CIRCUIT

#49
20230114571
2023-04-13

GAIN BOOSTING IN POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#50
20230113416
2023-04-13

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

#51
20230109932
2023-04-13

AUTONOMOUS ANALOG ORTHOGONAL LOAD MODULATION POWER AMPLIFIER

#52
20230107913
2023-04-06

HARMONIC CANCELLATION IN A RADIO FREQUENCY FRONT END

#53
20230105554
2023-04-06

RADIO FREQUENCY FRONT END WITH DIFFERENTIAL PATHS

#54
20230088158
2023-03-23

Amplifier Protection Circuit and Method

#55
20230085041
2023-03-16

AMPLIFIER AND AMPLIFICATION METHOD

#56
20230006729
2023-01-05

System for operating multiple transceiver modules concurrently

#57
20230006325
2023-01-05

Solid-State Direct Cavity Combiner (DCC) Transmitter System For Providing Megawatts Of Power

#58
20220416736
2022-12-29

MULTI-CORE DIGITAL POWER AMPLIFIER WITH UNBALANCED COMBINER

#59
20220376658
2022-11-24

HIGH FREQUENCY AMPLIFIER

#60
20220337209
2022-10-20

Power amplifying circuit

#61
20220312104
2022-09-29

Earbud operation during earbud insertion detection

#62
20220286097
2022-09-08

Systems and methods for modular power amplifiers

#63
20220255508
2022-08-11

LOAD MODULATED DOHERTY POWER AMPLIFIERS

#64
20220255507
2022-08-11

Load-modulated balanced amplifiers

#65
20220231638
2022-07-21

Doherty amplifier

#66
20220216837
2022-07-07

Power amplifier for an antenna

#67
20220190793
2022-06-16

Balanced radio frequency power amplifier, chip and communication terminal

#68
20220158686
2022-05-19

Absorptive filter

#69
20220158591
2022-05-19

Wideband Doherty power amplifier

#70
20220158322
2022-05-19

Ultra-high frequency power combiner and divider compensating for parasitic parameters

#71
20220103241
2022-03-31

Dual-polarization beamforming

#72
20220045654
2022-02-10

Power amplifier

#73
20220006429
2022-01-06

Power amplifier arrangement

#74
20210399700
2021-12-23

Systems and methods for modular power amplifiers

#75
20210391882
2021-12-16

Self-calibrated multi-channel transmission system for a satellite payload

#76
20210320640
2021-10-14

Radio frequency splitter and front-end module

#77
20210296752
2021-09-23

Method of operating an N-way power combiner network and an N-way power combiner network

#78
20210288616
2021-09-16

Power amplifier circuit

#79
20210250782
2021-08-12

Non-line-of-sight (NLOS) coverage for millimeter wave communication

#80
20210227313
2021-07-22

Headphone operation during headphone insertion detection

#81
20210167845
2021-06-03

System for operating multiple transceiver modules concurrently

#82
20210104989
2021-04-08

Amplifier having envelope control

#83
20210067099
2021-03-04

Signal combiner

#84
20210058039
2021-02-25

Semiconductor device and amplifier assembly

#85
20210058038
2021-02-25

Doherty amplifier arrangement

#86
20210050831
2021-02-18

Amplifier

#87
20200359522
2020-11-12

Rack comprising a high power RF amplifier

#88
20200295708
2020-09-17

Envelope tracking circuit and related apparatus

#89
20200274506
2020-08-27

Spatial power-combining devices with thin film resistors

#90
20200267574
2020-08-20

Non-line-of-sight (NLOS) coverage for millimeter wave communication

#91
20200244234
2020-07-30

Power amplifier system

#92
20200228065
2020-07-16

Doherty combiner

#93
20200169229
2020-05-28

System and method for amplifying and combining radiofrequency power

#94
20200162046
2020-05-21

Structures for spatial power-combining devices

#95
20200162037
2020-05-21

POWER AMPLIFICATION DEVICE AND TELEVISION SIGNAL TRANSMISSION SYSTEM

#96
20200144968
2020-05-07

Multiple-path RF amplifiers with angularly offset signal path directions, and methods of manufacture thereof

#97
20200127610
2020-04-23

Amplifier systems for driving a wide range of loads

#98
20200112103
2020-04-09

Capacitively coupled patch antenna

#99
20200099349
2020-03-26

High frequency amplifier unit having amplifier modules arranged on outer conductors

#100
20200083586
2020-03-12

Radiofrequency power combiner or divider having a transmission line resonator

#101
20200036433
2020-01-30

Dual-polarization beamforming

#102
20200036342
2020-01-30

Power amplification module

#103
20200028475
2020-01-23

Method and apparatus for calibration and equalization of multiport amplifiers (MPAs)

#104
20200028472
2020-01-23

Doherty amplifier system

#105
20200028471
2020-01-23

Doherty power amplifier system

#106
20200014341
2020-01-09

High frequency module and communication device

#107
20190379339
2019-12-12

DOHERTY AMPLIFIER

#108
20190363683
2019-11-28

High-frequency amplifier

#109
20190356275
2019-11-21

Amplifier and transmitter

#110
20190335266
2019-10-31

Operation of a personal audio device during insertion detection

#111
20190335263
2019-10-31

Headphone operation during headphone insertion detection

#112
20190296777
2019-09-26

Multi-mode multi-band self-realigning power amplifier

#113
20190208427
2019-07-04

Non-line-of-sight (NLOS) coverage for millimeter wave communication

#114
20190207574
2019-07-04

Amplifier with amplification stages connected in parallel

#115
20190181814
2019-06-13

Power amplification device and television signal transmission system

#116
20190181805
2019-06-13

Phase shift and attenuation circuits for use with multiple-path amplifiers

#117
20190158046
2019-05-23

Quadrature amplifier having envelope control

#118
20190158030
2019-05-23

Amplifier arrangement

#119
20190149104
2019-05-16

Programmable power combiner and splitter

#120
20190149099
2019-05-16

Doherty amplifier having envelope control

#121
20190149098
2019-05-16

Semiconductor device and amplifier assembly

#122
20190140593
2019-05-09

Reduction of power consumption in integral ultra-wideband power amplifiers

#123
20190131937
2019-05-02

High-frequency power amplifier

#124
20190115875
2019-04-18

Amplifier power combiner with slotline impedance transformer

#125
20190109569
2019-04-11

High Frequency Amplifier Unit having Amplifier Modules Arranged on Outer Conductors

#126
20190074797
2019-03-07

Linearization circuits and methods for multilevel power amplifier systems

#127
20190068127
2019-02-28

Power amplification module

#128
20190057178
2019-02-21

Channel-less integrated circuit layout wiring for chips including a plurality of partitions

#129
20190052237
2019-02-14

Amplifier circuit and method

#130
20190036487
2019-01-31

Four-way Doherty amplifier and mobile telecommunications base station

#131
20190007007
2019-01-03

Amplifier assembly and spatial power combining device

#132
20180375477
2018-12-27

Phase shift and attenuation circuits for use with multiple-path amplifiers

#133
20180358930
2018-12-13

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

#134
20180358705
2018-12-13

Systems and methods for differential dipole-based waveguide power combining

#135
20180358681
2018-12-13

Transmission and emission assembly for multibeam antenna and multibeam antenna

#136
20180352444
2018-12-06

Non-line-of-sight (NLOS) coverage for millimeter wave communication

#137
20180337658
2018-11-22

RF phase shifting device

#138
20180331666
2018-11-15

Resonant cavity combined solid state amplifier system

#139
20180302099
2018-10-18

Device and method for efficient digital-analog conversion

#140
20180302042
2018-10-18

Power amplifier control method and apparatus, and power amplifier control system

#141
20180302041
2018-10-18

Amplifier circuit for compensating an output signal from a circuit

#142
20180279499
2018-09-27

Rack comprising a high power RF amplifier

#143
20180254749
2018-09-06

Doherty amplifier

#144
20180254747
2018-09-06

DOHERTY AMPLIFIER

#145
20180241352
2018-08-23

Apparatus and method for improving efficiency of power amplifier

#146
20180205348
2018-07-19

RF-input load modulated balanced amplifier

#147
20180205346
2018-07-19

Harmonically tuned load modulated amplifier

#148
20180198513
2018-07-12

Dual-polarization beamforming

#149
20180191314
2018-07-05

Digital predistortion for multiple power amplifiers

#150
20180174735
2018-06-21

Dual-band radio frequency devices incorporating metamaterial type structures and related methods

#151
20180167032
2018-06-14

Radio frequency power amplifier with feed-forward signal path

#152
20180159480
2018-06-07

Phase shift and attenuation circuits for use with multiple-path amplifiers

#153
20180152150
2018-05-31

Power amplifier, power amplification method, and power amplification control apparatus and method

#154
20180145646
2018-05-24

Power amplification device and television signal transmission system

#155
20180145635
2018-05-24

Power amplification module

#156
20180131435
2018-05-10

System for operating multiple transceiver modules concurrently

#157
20180102744
2018-04-12

Composite power amplifier

#158
20180102743
2018-04-12

Modular and scalable power amplifier system

#159
20180083590
2018-03-22

Power amplifying converter

#160
20180076793
2018-03-15

Acoustic filter employing inductive coupling

#161
20180062231
2018-03-01

Low-noise amplifier with low-loss bypass mode

#162
20180048273
2018-02-15

Selective high and low power amplifier switch architecture

#163
20180026593
2018-01-25

Doherty amplifier

#164
20180026588
2018-01-25

Doherty amplifier and power amplifier

#165
20180019773
2018-01-18

Control of MISO Node

#166
20180013391
2018-01-11

Multiple-path RF amplifiers with angularly offset signal path directions, and methods of manufacture thereof

#167
20170373646
2017-12-28

Power amplification device

#168
20170359032
2017-12-14

Doherty amplifiers with minimum phase output networks

#169
20170346448
2017-11-30

Variable gain low noise amplifier

#170
20170338783
2017-11-23

Active transformer, corresponding apparatus and method

#171
20170317654
2017-11-02

Spatial power combining mechanism (SPCM) for the generation and amplification of electromagnetic radiation

#172
20170244370
2017-08-24

High-frequency power amplifier

#173
20170244366
2017-08-24

Driver circuit for composite power amplifier

#174
20170237401
2017-08-17

Amplifier circuit and method

#175
20170179898
2017-06-22

Amplifier devices with in-package bias modulation buffer

#176
20170179886
2017-06-22

Power amplifier circuit and semiconductor integrated circuit

#177
20170149396
2017-05-25

Isolation in a multi-port amplifier

#178
20170117860
2017-04-27

Amplifier

#179
20170093352
2017-03-30

Amplifier circuit and method

#180
20170077874
2017-03-16

Phase shift and attenuation circuits for use with multiple-path amplifiers

#181
20170070308
2017-03-09

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

#182
20170026013
2017-01-26

Multi-stage amplifiers with low loss

#183
20170005412
2017-01-05

Systems and methods for differential dipole-based waveguide power combining

#184
20160359460
2016-12-08

Solid state microwave generator and power amplifier

#185
20160344086
2016-11-24

0/90 degree coupler with complex termination

#186
20160336904
2016-11-17

Arrangement and method for radio-frequency (RF) high power generation for compensating a failed power amplifier module

#187
20160329621
2016-11-10

Waveguide power dividers

#188
20160322993
2016-11-03

Transmission device and transmission method

#189
20160322945
2016-11-03

Arrangement and method for radio-frequency (RF) high power generation

#190
20160276987
2016-09-22

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

#191
20160276730
2016-09-22

Systems and methods for multi-probe launch power combining

#192
20160261236
2016-09-08

High-frequency amplifier

#193
20160248392
2016-08-25

Compact microwave power amplifier circuit

#194
20160248383
2016-08-25

Power amplifier and power amplification method

#195
20160248382
2016-08-25

Power amplifier for amplification of an input signal into an output signal

#196
20160241201
2016-08-18

POWER AMPLIFIER FOR AMPLIFICATION OF AN INPUT SIGNAL INTO AN OUTPUT SIGNAL

#197
20160233842
2016-08-11

Devices and methods for improving yield of scalable periphery amplifiers

#198
20160233835
2016-08-11

Multi-band/multi-mode power amplifier with signal path hardware sharing

#199
20160218681
2016-07-28

Amplifier circuit and method

#200
20160218680
2016-07-28

Amplifier circuit and method

#201
20160191004
2016-06-30

Power processing circuit, two-path power processing circuit and multiplex power processing circuit

#202
20160191003
2016-06-30

Transmission apparatus and transmission method

#203
20160188777
2016-06-30

Integrated circuit layout wiring for multi-core chips

#204
20160173042
2016-06-16

Low noise amplifier architecture for carrier aggregation receivers

#205
20160164493
2016-06-09

High frequency attenuator

#206
20160164473
2016-06-09

Doherty power amplifier

#207
20160164472
2016-06-09

Balanced Doherty power amplifier circuit and radio transmitter

#208
20160149541
2016-05-26

Amplifier circuit and method

#209
20160142023
2016-05-19

Multi-broadband doherty power amplifier

#210
20160142021
2016-05-19

Amplifier circuit and method

#211
20160126902
2016-05-05

Amplifier circuit and method

#212
20160112027
2016-04-21

RF/microwave power divider with port to port isolation

#213
20160112021
2016-04-21

RF/microwave high power switching combiner unit

#214
20160112020
2016-04-21

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

#215
20160112013
2016-04-21

T-shaped power amplifier cooling plate

#216
20160111768
2016-04-21

Radio frequency splitter

#217
20160087727
2016-03-24

Optical modulator driver circuit and optical transmitter

#218
20160080005
2016-03-17

Multi-mode multi-band self-realigning power amplifier

#219
20160065154
2016-03-03

Travelling wave amplifier (TWA) for driving optical modulator

#220
20160065141
2016-03-03

Power amplifier

#221
20160049907
2016-02-18

Bias adjustment circuitry for balanced amplifiers

#222
20160036113
2016-02-04

High frequency power combiner/divider

#223
20160028352
2016-01-28

Efficient power amplification over large operating average power range

#224
20160020733
2016-01-21

Efficiency-optimised high-frequency power amplifier

#225
20150372646
2015-12-24

Linearization circuits and methods for multilevel power amplifier systems

#226
20150365052
2015-12-17

RF-input / RF-output outphasing amplifier

#227
20150341000
2015-11-26

Linearizer

#228
20150340996
2015-11-26

Power amplifier, transceiver, and base station

#229
20150333706
2015-11-19

Radio frequency power amplifier circuit

#230
20150326259
2015-11-12

Control of MISO node

#231
20150303879
2015-10-22

Multiple-series amplifying device

#232
20150303875
2015-10-22

Broadband high efficiency amplifier system and a method of constructing high power amplitude modulated RF signal

#233
20150295547
2015-10-15

Amplification stage and wideband power amplifier

#234
20150295537
2015-10-15

Doherty power amplifier circuit

#235
20150280795
2015-10-01

Envelope tracking system for MIMO

#236
20150280665
2015-10-01

Phase shift and attenuation circuits for use with multiple-path amplifiers

#237
20150229283
2015-08-13

Broadband amplifier

#238
20150229282
2015-08-13

Transmitter system with reconfigurable amplifiers

#239
20150222461
2015-08-06

Transmitter, signal-synthesizing circuit, and signal-synthesizing method

#240
20150214909
2015-07-30

Unbalanced linear power amplifier

#241
20150194941
2015-07-09

Power amplifying apparatus

#242
20150194884
2015-07-09

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

#243
20150188504
2015-07-02

Amplifier device and corresponding radio base station and mobile communication terminal

#244
20150180428
2015-06-25

Enhanced and versatile N-way doherty power amplifier

#245
20150171768
2015-06-18

Inverter/power amplifier with capacitive energy transfer and related techniques

#246
20150155830
2015-06-04

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

#247
20150130541
2015-05-14

Doherty amplifier

#248
20150091668
2015-04-02

System and method for a radio frequency coupler

#249
20150035594
2015-02-05

Method and apparatus for improving leakage performance of a multi-port amplifier

#250
20150002243
2015-01-01

Power dividing and/or power-combining circuits with isolation

#251
20140375389
2014-12-25

Multi-broadband Doherty power amplifier

#252
20140354355
2014-12-04

Method of calibrating a multiport amplifier, multiport amplifier allowing the implementation of such a method, and satellite comprising such an amplifier

#253
20140347125
2014-11-27

Efficient power amplification over large operating average power range

#254
20140347123
2014-11-27

Amplifier

#255
20140341319
2014-11-20

Envelope tracking system for MIMO

#256
20140340160
2014-11-20

Semiconductor power amplifier

#257
20140333390
2014-11-13

LCL high power combiner

#258
20140320214
2014-10-30

Doherty power amplification apparatus and method

#259
20140266462
2014-09-18

Low power consumption adaptive power amplifier

#260
20140253248
2014-09-11

Phase shift and attenuation circuits for use with multiple-path amplifiers

#261
20140253247
2014-09-11

Power amplifying device and transmitter

#262
20140232483
2014-08-21

Combiner for an RF power amplifier

#263
20140226378
2014-08-14

Transmission-line resistance compression networks and related techniques

#264
20140225666
2014-08-14

Redundant amplifier and switching method thereof

#265
20140206295
2014-07-24

Radio frequency splitter

#266
20140198880
2014-07-17

Broadband high efficiency amplifier system

#267
20140167847
2014-06-19

Operational amplifying device with auto-adjustment output impedance

#268
20140152397
2014-06-05

Multi-level power amplification system

#269
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Linearization circuits and methods for multilevel power amplifier systems

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Power amplifier device and power amplifier circuit thereof

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Asymmetric multilevel outphasing architecture for RF amplifiers

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Method and apparatus for multilevel power amplification

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Linearization circuits and methods for multilevel power amplifier systems

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Power amplifier assembly comprising suspended strip lines

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Systems and methods of harmonic extraction and rejection

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Adjustable power splitters and corresponding methods and apparatus

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Distribution amplifier with intellectual signaling

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Controlling output power of multiple-input single-output (MISO) device

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Amplifier module with multiple 90 degree hybrids

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On-chip millimeter wave Lange coupler

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LINC power amplifier

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

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Differential signal transmission line

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Power amplifier apparatus and power amplifier circuit

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Signal directing means for dividing an input signal into at least two output signals or combining at least two input signals into one output signal

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Wideband AFT power amplifier systems with frequency-based output transformer impedance balancing

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Multi-band/multi-mode power amplifier with signal path hardware sharing

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Amplifier arrangement

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Dual inductive element charge pump buck and buck power supplies

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COMPACT RF POWER AMPLIFIER

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Optimizing cascade gain stages in a communication system

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Multiband RF switch ground isolation

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Apparatus and method for balanced power amplification

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

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Ultra-wideband high power amplifier architecture

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Control of MISO node

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Power amplifier

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Multi-mode Doherty power amplifier

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Reconfigurable input power distribution doherty amplifier with improved efficiency

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Time difference amplifier circuit