Patents-Review.com
ClassID:

220170 ⎘

H03F2203/45731 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers the LC comprising a transformer

Recent Application in this class:
#1
20230238937
2023-07-27

TRANSFORMER-BASED MARCHAND BALUN AMPLIFIER FOR WIRELESS COMMUNICATION

 #2
20220038069
2022-02-03

Millimeter wave transmitter design

 #3
20210313943
2021-10-07

Millimeter wave transmitter design

 #4
20200389202
2020-12-10

Transmitter device and transceiver device for transmitting different wireless standard signal

 #5
20200321913
2020-10-08

Swing tracking and control

 #6
20200144976
2020-05-07

Millimeter wave transmitter design

 #7
20190388138
2019-12-26

Electrosurgical apparatus with real-time RF tissue energy control

 #8
20190386624
2019-12-19

High-linearity variable gain amplifier with bypass path

 #9
20190267946
2019-08-29

Method and apparatus for using back gate biasing for power amplifiers for millimeter wave devices

 #10
20190245507
2019-08-08

Broadband power amplifier and matching network for multi-band millimeter-wave 5G communication

 #11
20190173439
2019-06-06

Power amplifier circuit

 #12
20190165754
2019-05-30

Apparatus for radio-frequency matching networks and associated methods

 #13
20190165743
2019-05-30

Two-stage electromagnetic induction transformer

 #14
20190165741
2019-05-30

Wireless receiver and wireless reception method

 #15
20190097583
2019-03-28

Amplifier configuration for load-line enhancement

 #16
20190089396
2019-03-21

Transmitter device and transceiver device for transmitting different wireless standard signal

 #17
20180302038
2018-10-18

Power amplifier ramping and power control with forward and reverse back-gate bias

 #18
20180131350
2018-05-10

Phase-switch-equipped variable amplification device and phase shifter

 #19
20180131339
2018-05-10

High-linearity variable gain amplifier with bypass path

 #20
20180069512
2018-03-08

Dynamic biasing of power amplifiers

 #21
20170359029
2017-12-14

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

 #22
20170201223
2017-07-13

Integrated circuit fields canceller system

 #23
20170133989
2017-05-11

Bias control for stacked transistor configuration

 #24
20170126185
2017-05-04

Dual operation mode power amplifier

 #25
20170047987
2017-02-16

Systems and methods for performing shape estimation using sun sensors in large-scale space-based solar power stations

 #26
20170047463
2017-02-16

Systems and methods for controlling supply voltages of stacked power amplifiers

 #27
20160276981
2016-09-22

Power amplifier

 #28
20160241199
2016-08-18

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

 #29
20160218674
2016-07-28

Dual-mode power amplifier

 #30
20160190993
2016-06-30

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

 #31
20160190989
2016-06-30

Optimization methods for amplifier with variable supply power

 #32
20160164469
2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

 #33
20160164468
2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

 #34
20160112015
2016-04-21

Two-stage electromagnetic induction transformer

 #35
20160036393
2016-02-04

Linearized gate capacitance in power amplifiers

 #36
20150372649
2015-12-24

Signal amplification system

 #37
20150349732
2015-12-03

Common-source power amplifiers

 #38
20150340991
2015-11-26

Multi-band power amplifier

 #39
20150303876
2015-10-22

Differential cascode amplifier with selectively coupled gate terminals

 #40
20150270806
2015-09-24

Bias control for stacked transistor configuration

 #41
20150223864
2015-08-13

Electrosurgical apparatus with real-time RF tissue energy control

 #42
20150214994
2015-07-30

Three-dimensional power amplifier architecture

 #43
20150214900
2015-07-30

Dual feedback low noise amplifier

 #44
20150207461
2015-07-23

Dynamic biasing of power amplifiers

 #45
20150078482
2015-03-19

Transformer-based RF power amplifier

 #46
20150035625
2015-02-05

Inductor

 #47
20150015329
2015-01-15

Radio frequency composite Class-S power amplifier having discrete power control

 #48
20140225675
2014-08-14

Apparatus for a radio frequency integrated circuit

 #49
20140210560
2014-07-31

Triple cascode power amplifier

 #50
20140203874
2014-07-24

Power amplifiers with push-pull transistors, capacitive coupling for harmonic cancellation, and inductive coupling to provide differential output signals

 #51
20140184337
2014-07-03

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

 #52
20140184336
2014-07-03

Amplifier dynamic bias adjustment for envelope tracking

 #53
20140184335
2014-07-03

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

 #54
20140184334
2014-07-03

Optimization methods for amplifier with variable supply power

 #55
20140167858
2014-06-19

Amplifer device

 #56
20140125417
2014-05-08

Systems and methods for boosting a received AC signal using a power amplifier including phase conditioners

 #57
20140125126
2014-05-08

Power distribution circuit

 #58
20140073271
2014-03-13

System and method for transmitting a radio frequency signal through a speaker coil

 #59
20140070884
2014-03-13

Power amplification circuits

 #60
20140049317
2014-02-20

Power amplifier circuit

 #61
20140035673
2014-02-06

Multimode differential amplifier biasing system

 #62
20140035669
2014-02-06

Differential stacked output stage for power amplifiers

 #63
20130331049
2013-12-12

Low power multi-band, multi-mode transmitter

 #64
20130307626
2013-11-21

Silicon-on-insulator high power amplifiers

 #65
20130281043
2013-10-24

Low noise amplifier

 #66
20130265108
2013-10-10

Extremely high frequency dual-mode class AB power amplifier

 #67
20130207719
2013-08-15

Transformer power amplifier

 #68
20130120065
2013-05-16

Silicon-on-insulator high power amplifiers

 #69
20130035679
2013-02-07

Electrosurgical apparatus with real-time RF tissue energy control

 #70
20130009709
2013-01-10

Power amplifier

 #71
20120268205
2012-10-25

RF power amplifiers with improved efficiency and output power

 #72
20120262237
2012-10-18

Power amplifier device

 #73
20120242377
2012-09-27

Re-driver with pre-emphasis injected through a transformer and tuned by an L-C tank

 #74
20120176200
2012-07-12

Cross-differential amplifier

 #75
20120176197
2012-07-12

RF power amplifier

 #76
20120161880
2012-06-28

Techniques on input transformer to push the OP1dB higher in power amplifier design

 #77
20120161871
2012-06-28

Differential power amplifiers with push-pull power amplifiers and even-harmonic cancellation

 #78
20120146724
2012-06-14

Low-noise amplifier

 #79
20120112835
2012-05-10

Transformer coupled distributed amplifier

 #80
20120075019
2012-03-29

PA load-line tuning with capacitors around a balun

 #81
20120068803
2012-03-22

Transformer

 #82
20120013417
2012-01-19

Center-tapped inductor balun

 #83
20110316624
2011-12-29

Transformer structures for a power amplifier (PA)

 #84
20110299634
2011-12-08

SAW-LESS RECEIVER WITH A FREQUENCY TRANSLATED BPF HAVING A NEGATIVE RESISTANCE

 #85
20110281531
2011-11-17

Radio communication transceiver

 #86
20110248782
2011-10-13

RF power amplifier

 #87
20110241778
2011-10-06

Peaking circuit, method for adjusting peaking circuit, differential amplifier installing peaking circuit, laser diode driving circuit installing peaking circuit, and data processing unit installing peaking circuit

 #88
20110227648
2011-09-22

Silicon-on-insulator high power amplifiers

 #89
20110221528
2011-09-15

Balun function with reference enhancement in single-ended port

 #90
20110210792
2011-09-01

Power amplifier device

 #91
20110204990
2011-08-25

Methods and apparatus for a switchable balun for combined Bluetooth® and WLAN operation

 #92
20110063028
2011-03-17

Power amplifier

 #93
20100248648
2010-09-30

Amplifier circuit and transceiver

 #94
20100182089
2010-07-22

Method and system for processing signals via an integrated low noise amplifier having configurable input signaling mode

 #95
20100148872
2010-06-17

Power amplifier having transformer

 #96
20100148866
2010-06-17

Systems and methods for power amplifiers with voltage boosting multi-primary transformers

 #97
20100117737
2010-05-13

RF power amplifier

 #98
20100117733
2010-05-13

Cross-differential amplifier

 #99
20100052782
2010-03-04

Transformer and structure thereof and power amplifier

 #100
20090315625
2009-12-24

Method and system for processing signals via an integrated low noise amplifier having configurable input signaling mode

 #101
20090289721
2009-11-26

Circuits, processes, devices and systems for full integration of RF front end module including RF power amplifier

 #102
20090231041
2009-09-17

Commutating amplifier with wide dynamic range

 #103
20090207939
2009-08-20

System and method for burst mode amplifier

 #104
20090163156
2009-06-25

DAC based switching power amplifier

 #105
20090153250
2009-06-18

METHOD AND SYSTEM FOR SCALING SUPPLY, DEVICE SIZE, AND LOAD OF A POWER AMPLIFIER

 #106
20090133083
2009-05-21

PASSIVE CIRCUIT FOR IMPROVED DIFFERENTIAL AMPLIFIER COMMON MODE REJECTION

 #107
20090117864
2009-05-07

Switchable-level voltage supplies for multimode communications

 #108
20090108937
2009-04-30

Low noise amplifier and differential amplifier

 #109
20090096532
2009-04-16

Differential amplifier with single ended output

 #110
20080297261
2008-12-04

Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies

 #111
20080224770
2008-09-18

Active circuits with isolation switches

 #112
20080211584
2008-09-04

Cross-differential amplifier

 #113
20080174378
2008-07-24

Method of adjusting the resonance frequency of an L-C resonant circuit and resonant circuit

 #114
20080164941
2008-07-10

Systems and methods for power amplifiers with voltage boosting multi-primary transformers

 #115
20080081590
2008-04-03

Bypassable low noise amplifier topology with multi-tap transformer

 #116
20080079496
2008-04-03

Amplifier containing programmable impedance for harmonic termination

 #117
20080030280
2008-02-07

Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies

 #118
20070275676
2007-11-29

DAC based switching power amplifier

 #119
20070268070
2007-11-22

Power amplifier transmission line transformer

 #120
20070096828
2007-05-03

Cross-differential amplifier

 #121
20070069818
2007-03-29

Multilevel power amplifier architecture using multi-tap transformer

 #122
20070063767
2007-03-22

Bypassable low noise amplifier topology with multi-tap transformer

 #123
20060238248
2006-10-26

Differential inductor based low noise amplifier

 #124
20060232342
2006-10-19

Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies

 #125
20060164171
2006-07-27

Method for transforming output signals of a low-noise amplifier of a wireless transceiver

 #126
20060119436
2006-06-08

High linearity digital variable gain amplifier

 #127
20060114065
2006-06-01

High linearity digital variable gain amplifier

 #128
20060091958
2006-05-04

Multilevel power amplifier architecture using multi-tap transformer

 #129
20060061415
2006-03-23

Low voltage broadband gain cell

 #130
20050281362
2005-12-22

Integrated circuit implementation for power and area efficient adaptive equalization

 #131
20050275458
2005-12-15

Programmable passive inductor

 #132
20050275454
2005-12-15

Cross-differential amplifier

 #133
20050195904
2005-09-08

Transmission line driver

 #134
20050162229
2005-07-28

Compound load for differential circuits

 #135
20050110569
2005-05-26

Digitally controlled transconductance cell

 #136
20050062533
2005-03-24

Coupled-inductance differential amplifier