ClassID:

219624

H03F2200/387 - page 3 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier

Recent Application in this class:
#601
20190229682
2019-07-25

Low Dropout Voltage Regulator for Highly Linear Radio Frequency Power Amplifiers

#602
20190229681
2019-07-25

Power amplifier module

#603
20190229679
2019-07-25

High-gain low noise figure low noise complementary metal oxide semiconductor amplifier with low current consumption

#604
20190229077
2019-07-25

Packaged RF power amplifier having a high power density

#605
20190207570
2019-07-04

High-efficiency power amplifier system for wireless power transmitters

#606
20190207560
2019-07-04

Dynamically biased power amplification

#607
20190199298
2019-06-27

Matching network and power amplifier circuit

#608
20190199294
2019-06-27

METHODS FOR THERMAL MANAGEMENT IN AMPLIFIERS

#609
20190199293
2019-06-27

Power amplifying apparatus with wideband linearity

#610
20190198464
2019-06-27

Semiconductor device

#611
20190190623
2019-06-20

Reducing impedance discontinuities on a shared medium

#612
20190190476
2019-06-20

Power amplifier circuit

#613
20190190464
2019-06-20

RF power transistors with impedance matching circuits, and methods of manufacture thereof

#614
20190190455
2019-06-20

Transmission unit

#615
20190181821
2019-06-13

Variable gain amplifier and method thereof

#616
20190181812
2019-06-13

AUTOMATIC IMPEDANCE MATCHING USING TRUE POWER INFORMATION

#617
20190181810
2019-06-13

Harmonic power amplifying circuit with high efficiency and high bandwidth and radio-frequency power amplifier

#618
20190181809
2019-06-13

Impedance transformation circuit for amplifier

#619
20190181805
2019-06-13

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

#620
20190181106
2019-06-13

Packaged RF power amplifier

#621
20190173530
2019-06-06

Processing radio-frequency signals with tunable matching circuits

#622
20190173435
2019-06-06

Wideband power amplifiers with harmonic traps

#623
20190173431
2019-06-06

Amplifiers with in-package radial stub harmonic traps

#624
20190172807
2019-06-06

Semiconductor apparatus

#625
20190172804
2019-06-06

Integrated passive device for RF power amplifier package

#626
20190165753
2019-05-30

RF power amplifier with combined baseband, fundamental and harmonic tuning network

#627
20190165743
2019-05-30

Two-stage electromagnetic induction transformer

#628
20190165742
2019-05-30

Power amplifier module

#629
20190165740
2019-05-30

Doherty amplifiers with passive phase compensation circuits

#630
20190165737
2019-05-30

Nested microstrip system and method

#631
20190165736
2019-05-30

Envelope trackers providing compensation for power amplifier output load variation

#632
20190165733
2019-05-30

High efficiency ultra-wideband amplifier

#633
20190158047
2019-05-23

Switched amplifier

#634
20190158045
2019-05-23

Power amplifier modules including transistor with grading and semiconductor resistor

#635
20190158044
2019-05-23

Power amplifier and compound semiconductor device

#636
20190158043
2019-05-23

Integrated CMOS transmit/receive switch in a radio frequency device

#637
20190158041
2019-05-23

Amplifier linearizer with wide bandwidth

#638
20190158040
2019-05-23

Enhanced Reverse Isolation and Gain Using Feedback

#639
20190158039
2019-05-23

Power amplifier module

#640
20190158031
2019-05-23

Cascode amplifier bias circuits

#641
20190158030
2019-05-23

Amplifier arrangement

#642
20190158028
2019-05-23

APPARATUS AND METHODS FOR BIASING LOW NOISE AMPLIFIERS

#643
20190149096
2019-05-16

Closed-loop digital compensation scheme

#644
20190149094
2019-05-16

Power amplifiers isolated by differential ground

#645
20190148315
2019-05-16

Amplifier

#646
20190147204
2019-05-16

Reader for medical implants

#647
20190140639
2019-05-09

Resonant power converters with switchable resonant modes

#648
20190140602
2019-05-09

RF switch with split tunable matching network

#649
20190140598
2019-05-09

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

#650
20190140596
2019-05-09

Power amplification module

#651
20190140595
2019-05-09

CIRCUITS, DEVICES AND METHODS RELATED TO ADJUSTMENT OF INPUT SIGNAL FOR COMPENSATION OF AMPLIFIER

#652
20190140593
2019-05-09

Reduction of power consumption in integral ultra-wideband power amplifiers

#653
20190131941
2019-05-02

Power amplifier circuit

#654
20190131940
2019-05-02

Inverse Class-F power amplifier

#655
20190131938
2019-05-02

Power amplifier cell

#656
20190131937
2019-05-02

High-frequency power amplifier

#657
20190131936
2019-05-02

HIGH AND LOW VOLTAGE LIMITED POWER AMPLIFICATION SYSTEM

#658
20190123702
2019-04-25

METHODS OF ADJUSTING BAND-BASED AMPLIFIER LINEARITY

#659
20190123693
2019-04-25

Flip chip amplifier for wireless device

#660
20190123690
2019-04-25

Amplification system with differential envelope-based bias

#661
20190123003
2019-04-25

Semiconductor device

#662
20190115873
2019-04-18

Multi-mode power management system supporting fifth-generation new radio

#663
20190115871
2019-04-18

Bias boosting circuit for amplifier

#664
20190113564
2019-04-18

Mismatch detection using replica circuit

#665
20190109574
2019-04-11

System and method for biasing an RF circuit

#666
20190109567
2019-04-11

Power amplifier module

#667
20190103843
2019-04-04

High-frequency circuit, front end module, and communication apparatus

#668
20190103842
2019-04-04

Modified three-stage doherty amplifier

#669
20190103841
2019-04-04

Power amplification circuit

#670
20190102498
2019-04-04

Transistor amplifiers having node splitting for loop stability and related methods

#671
20190101325
2019-04-04

Multifunctional radio frequency systems and methods for UV sterilization, air purification, and defrost operations

#672
20190097591
2019-03-28

Apparatus and methods for low noise amplifiers with mid-node impedance networks

#673
20190097590
2019-03-28

Power amplification circuit

#674
20190097588
2019-03-28

Systems and methods for optimizing amplifier operations

#675
20190097583
2019-03-28

Amplifier configuration for load-line enhancement

#676
20190089402
2019-03-21

Method to build fast transmit-receive switching architecture

#677
20190089401
2019-03-21

Distributed transceiver signal switching circuit

#678
20190089400
2019-03-21

Method to build asymmetrical transmit/receive switch with 90 degrees impedance transformation section

#679
20190089399
2019-03-21

Fast memory access control for phase and gain

#680
20190089317
2019-03-21

Broadband harmonic matching network

#681
20190089316
2019-03-21

Method to improve power amplifier output return loss and back-off performance with RC feedback network

#682
20190089315
2019-03-21

Amplifier and a wireless signal receiver comprising said amplifier

#683
20190089314
2019-03-21

Methods and apparatuses for ruggedizing a power amplifier against breakdown using harmonic tuning

#684
20190089312
2019-03-21

Amplifier and transmitter

#685
20190089309
2019-03-21

Multi-mode stacked amplifier

#686
20190089308
2019-03-21

Wideband vector modulator and phase shifter

#687
20190089307
2019-03-21

Power amplifier circuit

#688
20190089070
2019-03-21

Method for separately biasing power amplifier for additional power control

#689
20190089067
2019-03-21

Hard-wired address for phased array antenna panels

#690
20190089064
2019-03-21

Symmetrical front-end chip for dual-pole antenna array

#691
20190089048
2019-03-21

Radio-frequency signal shielding and channel isolation

#692
20190088768
2019-03-21

Bipolar transistor and radio-frequency power amplifier module

#693
20190088642
2019-03-21

RF amplifier package with biasing strip

#694
20190081655
2019-03-14

Integrated RF front end with stacked transistor switch

#695
20190074799
2019-03-07

Doherty power amplifier circuit

#696
20190068142
2019-02-28

Semiconductor device

#697
20190068132
2019-02-28

Power amplifier circuit

#698
20190058444
2019-02-21

Power amplifier module

#699
20190052449
2019-02-14

Transmission/reception module

#700
20190049532
2019-02-14

RF POWER AMPLIFIER FOR MAGNETIC RESONANCE IMAGING

#701
20190044483
2019-02-07

RF amplifier with dual frequency response capacitor

#702
20190036496
2019-01-31

Amplifier device for an antenna-like MRI transducer and corresponding MRI apparatus

#703
20190036487
2019-01-31

Four-way Doherty amplifier and mobile telecommunications base station

#704
20190028070
2019-01-24

Amplifier

#705
20190028067
2019-01-24

Direct substrate to solder bump connection for thermal management in flip chip amplifiers

#706
20190020316
2019-01-17

Integrated ultra-compact VSWR insensitive coupler

#707
20190020313
2019-01-17

Phase-Switched Impedance Modulation Amplifier

#708
20190019790
2019-01-17

Field effect transistor (FET) structure with integrated gate connected diodes

#709
20190013781
2019-01-10

CMOS wideband RF amplifier with gain roll-off compensation for external parasitics

#710
20190007006
2019-01-03

Radio frequency switch apparatus with improved harmonic attenuation characteristics

#711
20190007004
2019-01-03

High gain resonant amplifier for resistive output impedance

#712
20190006996
2019-01-03

Envelope tracking frontend device and switch thereof

#713
20190006995
2019-01-03

Generation and synchronization of pulse-width modulated (PWM) waveforms for radio-frequency (RF) applications

#714
20190006075
2019-01-03

Inductor and power amplifier module

#715
20180375485
2018-12-27

Power amplification module

#716
20180375477
2018-12-27

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

#717
20180367106
2018-12-20

High-voltage digital power amplifier with sinusoidal output for RFID

#718
20180367105
2018-12-20

Power amplifier module

#719
20180358938
2018-12-13

Programmable optimized band switching LNA for operation in multiple narrow-band frequency ranges

#720
20180358934
2018-12-13

Reducing audio artifacts in an amplifier during changes in power states

#721
20180358931
2018-12-13

Power amplifier

#722
20180351586
2018-12-06

Reducing power amplifier gain drift during a data burst

#723
20180351518
2018-12-06

Power amplification circuit

#724
20180351517
2018-12-06

Hybrid RF transceiver circuit

#725
20180351513
2018-12-06

Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies

#726
20180350758
2018-12-06

Semiconductor package with integrated harmonic termination feature

#727
20180342995
2018-11-29

Power amplifier module

#728
20180337643
2018-11-22

Multi-band power amplifier module

#729
20180337638
2018-11-22

High-frequency front end circuit

#730
20180331703
2018-11-15

Radio frequency front-end circuit and communication device

#731
20180331665
2018-11-15

Amplifier and transmitter, and transmission method

#732
20180331664
2018-11-15

Multi-stage high frequency amplifier

#733
20180331661
2018-11-15

APPARATUS AND METHODS FOR POWER AMPLIFIER BIASING

#734
20180331659
2018-11-15

Envelope trackers providing compensation for power amplifier output load variation

#735
20180323819
2018-11-08

Radio frequency (RF) transceiver and operating method thereof

#736
20180323754
2018-11-08

Power amplification device, terminal having the same, and base station having the same

#737
20180316327
2018-11-01

Power amplifier self-heating compensation circuit

#738
20180316319
2018-11-01

Power amplifier with RF structure

#739
20180309417
2018-10-25

Semiconductor device and power amplifier module

#740
20180309412
2018-10-25

Power amplification circuit

#741
20180309411
2018-10-25

Push-pull amplification systems and methods

#742
20180309409
2018-10-25

Multi-mode power management system supporting fifth-generation new radio

#743
20180302054
2018-10-18

Apparatus and methods for biasing of power amplifiers

#744
20180302046
2018-10-18

Integrated gallium nitride power amplifier and switch

#745
20180302040
2018-10-18

Distributed power amplifiers

#746
20180302039
2018-10-18

Source switched split LNA

#747
20180302036
2018-10-18

Apparatus and methods for envelope tracking systems

#748
20180294788
2018-10-11

Power amplification module

#749
20180294778
2018-10-11

Amplifier used to improve operational performance under bypass mode

#750
20180294777
2018-10-11

COMPACT LOAD NETWORK FOR DOHERTY POWER AMPLIFIER USING LUMPED COMPONENTS

#751
20180287571
2018-10-04

Power amplification module

#752
20180287562
2018-10-04

Power amplifier circuit

#753
20180278222
2018-09-27

Power amplification circuit

#754
20180278219
2018-09-27

Power amplification division circuit and multi-stage type power amplification division circuit

#755
20180278217
2018-09-27

Amplifier, audio signal output method, and electronic device

#756
20180278216
2018-09-27

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

#757
20180278215
2018-09-27

Multiplexed Multi-stage Low Noise Amplifier Uses Gallium Arsenide and CMOS Dice

#758
20180269725
2018-09-20

Wireless power transmitter

#759
20180269158
2018-09-20

Semiconductor packages having wire bond wall to reduce coupling

#760
20180262172
2018-09-13

Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith

#761
20180262166
2018-09-13

Positive temperature coefficient bias compensation circuit

#762
20180254759
2018-09-06

Power amplification module

#763
20180254749
2018-09-06

Doherty amplifier

#764
20180254747
2018-09-06

DOHERTY AMPLIFIER

#765
20180248569
2018-08-30

Demultiplexing apparatus and method of designing the apparatus

#766
20180248526
2018-08-30

Amplifier architectures with bypass circuits and resonant structures

#767
20180248523
2018-08-30

Radio-frequency devices having AM-PM distortion correction features

#768
20180241387
2018-08-23

DRAIN LAG COMPENSATION CIRCUIT FOR RF POWER TRANSISTORS

#769
20180241355
2018-08-23

Power amplifier module

#770
20180241352
2018-08-23

Apparatus and method for improving efficiency of power amplifier

#771
20180241350
2018-08-23

RF power amplifier dynamic supply boosting circuit

#772
20180241349
2018-08-23

Power amplifier module

#773
20180234061
2018-08-16

Multi-mode power amplifier

#774
20180234058
2018-08-16

Amplfiers and related integrated circuits

#775
20180233950
2018-08-16

Method and device for the contactless energy transfer to an apparatus equipped with a loudspeaker

#776
20180227008
2018-08-09

Power amplification module, front-end circuit, and communication device

#777
20180227003
2018-08-09

Transmission module and transmission and reception module

#778
20180227000
2018-08-09

Multi-band power amplifier

#779
20180226933
2018-08-09

Power amplifier module

#780
20180226927
2018-08-09

Multi-mode power amplifier module

#781
20180226922
2018-08-09

Power amplifier module

#782
20180212578
2018-07-26

Power amplification module

#783
20180212570
2018-07-26

Closed-loop digital compensation scheme

#784
20180205467
2018-07-19

Interference suppression system and method

#785
20180205413
2018-07-19

Techniques for low-loss multi-band multiplexing

#786
20180205351
2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

#787
20180205350
2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

#788
20180205349
2018-07-19

Class-F power amplifier matching network

#789
20180205154
2018-07-19

Electromagnetic wave radiator

#790
20180198429
2018-07-12

Amplification circuit

#791
20180198422
2018-07-12

Low noise amplifier circuit

#792
20180198415
2018-07-12

Dual hysteretic control loop of envelope tracking

#793
20180191309
2018-07-05

Doherty amplifiers with passive phase compensation circuits

#794
20180183483
2018-06-28

Communication module

#795
20180183392
2018-06-28

Gallium nitride power amplifier

#796
20180183388
2018-06-28

N-WAY STAR CONFIGURATION POWER AMPLIFIER WITH PEAKING AMPLIFIER IMPEDANCE INVERTERS

#797
20180182717
2018-06-28

Integrated circuit devices with selectively arranged through substrate vias and method of manufacture thereof

#798
20180175811
2018-06-21

Compact class-F chip and wire matching topology

#799
20180175807
2018-06-21

LNA with programmable linearity

#800
20180175802
2018-06-21

Amplifiers and amplifier modules with shunt inductance circuits that include high-Q capacitors

#801
20180175801
2018-06-21

Inter-stage network for radio frequency amplifier

#802
20180175799
2018-06-21

Doherty amplifiers and amplifier modules with shunt inductance circuits that affect transmission line length between carrier and peaking amplifier outputs

#803
20180175797
2018-06-21

Multi-gain signal amplifier with switchable amplifier architectures

#804
20180167043
2018-06-14

Gate drive circuit and method of operating the same

#805
20180167042
2018-06-14

Power amplifier and radio transmitter

#806
20180164366
2018-06-14

Mismatch detection using replica circuit

#807
20180159486
2018-06-07

RF switch with split tunable matching network

#808
20180159480
2018-06-07

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

#809
20180159479
2018-06-07

Amplifier die with elongated side pads, and amplifier modules that incorporate such amplifier die

#810
20180159478
2018-06-07

POWER AMPLIFICATION SYSTEM WITH PROGRAMMABLE LOAD LINE

#811
20180152153
2018-05-31

Semiconductor integrated circuit, communication module, and smart meter

#812
20180152145
2018-05-31

Power amplification circuit

#813
20180152143
2018-05-31

Power amplifier circuit

#814
20180146538
2018-05-24

Switching amplifier

#815
20180145641
2018-05-24

RF power detector circuits

#816
20180145637
2018-05-24

Power amplifier

#817
20180145043
2018-05-24

RF power package having planar tuning lines

#818
20180145023
2018-05-24

Semiconductor device and amplifier apparatus

#819
20180138990
2018-05-17

Reducing impedance discontinuities on a shared medium

#820
20180138881
2018-05-17

Power amplifier output power control circuit

#821
20180138880
2018-05-17

Power amplifier and gain reduction circuit thereof

#822
20180138878
2018-05-17

Wide dynamic range amplifier system

#823
20180138872
2018-05-17

Impedance transformation circuit for amplifier

#824
20180138871
2018-05-17

Impedance-matching circuit

#825
20180138870
2018-05-17

Scalable periphery tunable matching power amplifier

#826
20180138868
2018-05-17

METHOD AND SYSTEM FOR LINEARIZING AN AMPLIFIER USING TRANSISTOR-LEVEL DYNAMIC FEEDBACK

#827
20180138861
2018-05-17

Dynamic error vector magnitude duty cycle correction

#828
20180131335
2018-05-10

High efficiency voltage mode class D topology

#829
20180131333
2018-05-10

Systems and methods providing loadline modulation of a power amplifier

#830
20180130876
2018-05-10

Integrated RF front end system

#831
20180123539
2018-05-03

Multi-mode multi-frequency power amplifier

#832
20180123538
2018-05-03

Source follower based envelope tracking for power amplifier biasing

#833
20180123532
2018-05-03

Differential source follower driven power amplifier

#834
20180123523
2018-05-03

LOW GAIN LINEARIZATION FOR HIGH SIGNAL-TO-NOISE RATIO

#835
20180123521
2018-05-03

Amplifier

#836
20180123520
2018-05-03

Amplifier architecture reconfiguration

#837
20180109274
2018-04-19

High-frequency front-end circuit

#838
20180109230
2018-04-19

Supervisory control of radio frequency (RF) impedance tuning operation

#839
20180109229
2018-04-19

Impedance flattening network for high efficiency wideband doherty power amplifier

#840
20180097484
2018-04-05

Matrix power amplifier

#841
20180097481
2018-04-05

Fully integrated low-noise amplifier

#842
20180097480
2018-04-05

Radio frequency apparatus and method with dual variable impedance components

#843
20180091114
2018-03-29

Quasi-differential RF power amplifier with high level of harmonics rejection

#844
20180091099
2018-03-29

Reconfigurable low-noise amplifier (LNA)

#845
20180083762
2018-03-22

Transmission/reception module

#846
20180083609
2018-03-22

Semiconductor switch

#847
20180083583
2018-03-22

Power amplification module

#848
20180083579
2018-03-22

LNA with programmable linearity

#849
20180083578
2018-03-22

Cascode amplifier bias circuits

#850
20180082778
2018-03-22

Broadside-coupled transformer

#851
20180076837
2018-03-15

Low power spectrally pure offset local oscillator system

#852
20180076777
2018-03-15

Matching circuit for low noise amplifier and low noise amplifier comprising such a circuit

#853
20180076775
2018-03-15

Single input, dual output path low-noise amplifier

#854
20180076770
2018-03-15

Power amplifier systems with differential ground

#855
20180069574
2018-03-08

Transmission module and transmission and reception module

#856
20180062682
2018-03-01

Filtering architectures and methods for wireless applications

#857
20180062601
2018-03-01

Amplifier with improved return loss and mismatch over gain modes

#858
20180062600
2018-03-01

Multi-input amplifier with programmable embedded attenuators

#859
20180062592
2018-03-01

Reconfigurable power amplifier

#860
20180062591
2018-03-01

High-frequency amplifier module

#861
20180062590
2018-03-01

Power amplifier module

#862
20180062589
2018-03-01

Driver with distributed architecture

#863
20180062587
2018-03-01

High-frequency amplifier module

#864
20180062580
2018-03-01

Output power cell for cascode amplifiers

#865
20180062579
2018-03-01

Power amplification circuit

#866
20180054171
2018-02-22

Apparatus and methods for low noise amplifiers with mid-node impedance networks

#867
20180054166
2018-02-22

Apparatus and methods for biasing low noise amplifiers

#868
20180048270
2018-02-15

Systems and methods providing a matching circuit that bypasses a parasitic impedance

#869
20180048069
2018-02-15

Capacitively coupled patch antenna

#870
20180041188
2018-02-08

High-frequency module

#871
20180034428
2018-02-01

Adjustable gain power amplifier, gain adjustment method and mobile terminal

#872
20180034426
2018-02-01

Amplification circuit

#873
20180034423
2018-02-01

Power amplifier module

#874
20180034421
2018-02-01

Methods of manufacturing encapsulated semiconductor device package with heatsink opening

#875
20180034419
2018-02-01

Doherty amplifier

#876
20180034414
2018-02-01

Active bias circuit for power amplifier, and mobile terminal

#877
20180026595
2018-01-25

Matching network circuit and radio-frequency power amplifier with odd harmonic rejection and even harmonic rejection and method of adjusting symmetry of differential signals

#878
20180026591
2018-01-25

Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion

#879
20180026589
2018-01-25

Broadband matching network

#880
20180026000
2018-01-25

Integrated passive device for RF power amplifier package

#881
20180019782
2018-01-18

Radio frequency (RF) transceiver and operating method thereof

#882
20180019715
2018-01-18

Automatic impedance matching using true power information

#883
20180019710
2018-01-18

Source switched split LNA

#884
20180013391
2018-01-11

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

#885
20180006626
2018-01-04

Impedance matching circuit for radio-frequency amplifier

#886
20180006611
2018-01-04

Doherty amplifier circuits

#887
20180006608
2018-01-04

BIAS CIRCUIT

#888
20170373649
2017-12-28

Methods and devices for ramping a switched capacitor power amplifier

#889
20170373646
2017-12-28

Power amplification device

#890
20170366155
2017-12-21

Radio frequency device

#891
20170366149
2017-12-21

Radio frequency power amplifier

#892
20170366145
2017-12-21

Amplifier

#893
20170366140
2017-12-21

Common gate amplifier circuit and power amplifier using the same

#894
20170359046
2017-12-14

Amplifier

#895
20170359038
2017-12-14

Power amplifier circuit

#896
20170359032
2017-12-14

Doherty amplifiers with minimum phase output networks

#897
20170359029
2017-12-14

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

#898
20170347195
2017-11-30

High current low-cost DC coupled DAC follower low pass filter headphone amplifier

#899
20170346452
2017-11-30

Radio frequency filter, radio frequency front-end circuit, communication device, and design method for radio frequency filter

#900
20170346451
2017-11-30

Switchless line-DI/Mic pre-amplifier input