Patents-Review.com
ClassID:

219148 ⎘

H03F1/22 - CPC Classification

Classification description:

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively

Sub-classes:
Recent Application in this class:
#1
20260074657
2026-03-12

SEMICONDUCTOR CIRCUIT FOR REDUCING OUTPUT DISTORTION

 #2
20250337381
2025-10-30

GAIN STAGE DEGENERATION INDUCTOR SWITCHING WITHOUT THE USE OF SWITCHES

 #3
20250293722
2025-09-18

HIGH SPEED RECEIVER FOR MULTI-GIGA HERTZ OPERATIONS

 #4
20250150039
2025-05-08

DEVICES AND METHODS RELATED TO POWER AMPLIFICATION SYSTEMS WITH ADJUSTABLE COMMON BASE BIAS

 #5
20250125775
2025-04-17

DEVICES AND METHODS FOR DETECTING A SATURATION CONDITION OF A POWER AMPLIFIER

 #6
20240322760
2024-09-26

Constant VDS1 Bias Control for Stacked Transistor Configuration

 #7
20240275338
2024-08-15

Methods related to power amplification systems with adjustable common base bias

 #8
20240243709
2024-07-18

METHODS AND TECHNIQUES TO IMPROVE STABILITY OF CASCODE AMPLIFIERS AND ENHANCE LINEUP EFFICIENCY IN MULTI-STAGE POWER AMPLIFIERS

 #9
20240154576
2024-05-09

LOW NOISE AMPLIFIER

 #10
20240080002
2024-03-07

LOW-NOISE AMPLIFIER SUPPORTING BEAM-FORMING FUNCTION AND RECEIVER INCLUDING THE SAME

 #11
20240056033
2024-02-15

SYSTEMS, DEVICES, AND METHODS RELATED TO POWER AMPLIFIER EMPLOYING CASCODE STAGE OUTPUT SWITCHING TO ELIMINATE BAND SELECT SWITCH

 #12
20230378915
2023-11-23

Devices and methods for detecting a saturation condition of a power amplifier

 #13
20230268895
2023-08-24

AMPLIFIER CIRCUIT

 #14
20230268894
2023-08-24

CASCODE AMPLIFIER CIRCUIT

 #15
20230261616
2023-08-17

Methods related to power amplification systems with adjustable common base bias

 #16
20230038083
2023-02-09

RECEPTION CIRCUIT

 #17
20230006609
2023-01-05

Amplification circuit

 #18
20220255519
2022-08-11

Gain stage degeneration inductor switching without the use of switches

 #19
20220182016
2022-06-09

Constant VDS1 bias control for stacked transistor configuration

 #20
20220014155
2022-01-13

Devices and methods for detecting a saturation condition of a power amplifier

 #21
20210389386
2021-12-16

Semiconductor device

 #22
20210351748
2021-11-11

Amplifier

 #23
20210273613
2021-09-02

Amplification circuit

 #24
20210270881
2021-09-02

Active noise source design

 #25
20210211103
2021-07-08

Impedance transformation circuit for amplifier

 #26
20210159860
2021-05-27

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

 #27
20210159856
2021-05-27

RF amplifier

 #28
20210156894
2021-05-27

High-speed AFE for current monitoring applications

 #29
20210152135
2021-05-20

Low-power, low-noise amplifier with negative feedback loop

 #30
20210126598
2021-04-29

Reducing dynamic error vector magnitude in cascode amplifiers

 #31
20210111679
2021-04-15

Power splitter with signal amplification

 #32
20210104983
2021-04-08

Apparatus and methods for oscillation suppression of cascode power amplifiers

 #33
20210013855
2021-01-14

Power amplifier circuit

 #34
20210003619
2021-01-07

High-speed AFE for current monitoring applications

 #35
20200382072
2020-12-03

Amplifier circuit with high-order damping circuit and the high-order damping circuit

 #36
20200373889
2020-11-26

Programmable amplifiers

 #37
20200366256
2020-11-19

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

 #38
20200336121
2020-10-22

Low-noise amplifier supporting beam-forming function and receiver including the same

 #39
20200313626
2020-10-01

Cascode amplifier bias

 #40
20200292632
2020-09-17

Semiconductor device

 #41
20200228066
2020-07-16

Amplifier with reduced power consumption and improved slew rate

 #42
20200209977
2020-07-02

Programmable filter in an amplifier

 #43
20200204126
2020-06-25

Amplifier with dual current mirrors

 #44
20200162039
2020-05-21

Devices and methods for power amplification with shared common base biasing

 #45
20200162032
2020-05-21

Devices and methods for detecting a saturation condition of a power amplifier

 #46
20200127617
2020-04-23

Switchless multi input stacked transistor amplifier tree structure

 #47
20200112289
2020-04-09

Apparatus and methods for oscillation suppression of cascode power amplifiers

 #48
20200099346
2020-03-26

Power amplification system with adjustable common base bias

 #49
20200091870
2020-03-19

ENHANCED AMPLIFIER EFFICIENCY THROUGH CASCODE CURRENT STEERING

 #50
20200014347
2020-01-09

Servo-amplifier with closed-loop biasing

 #51
20200007088
2020-01-02

Constant Vds1 bias control for stacked transistor configuration

 #52
20190356281
2019-11-21

Power amplifier

 #53
20190334487
2019-10-31

Amplifier

 #54
20190326864
2019-10-24

High-voltage power amplification system

 #55
20190326857
2019-10-24

Power amplifier circuit

 #56
20190305729
2019-10-03

Amplification circuit

 #57
20190273470
2019-09-05

CURRENT CONTROL USING POWER CELL ISOLATION

 #58
20190260335
2019-08-22

Weakly coupled based harmonic rejection filter for feedback linearization power amplifier

 #59
20190238097
2019-08-01

Negative feedback gain transimpedance amplifier (TIA) systems

 #60
20190229757
2019-07-25

MULTI-MODE INTEGRATED FRONT END MODULE

 #61
20190229688
2019-07-25

Power amplifier layout

 #62
20190190468
2019-06-20

Switchless multi input stacked transistor amplifier tree structure

 #63
20190181816
2019-06-13

Power amplifier module

 #64
20190181809
2019-06-13

Impedance transformation circuit for amplifier

 #65
20190173437
2019-06-06

Programmable filter in an amplifier

 #66
20190123699
2019-04-25

Power splitter with cascode stage selection

 #67
20190123698
2019-04-25

Common base pre-amplifier

 #68
20190115880
2019-04-18

Low-noise amplifier supporting beam-forming function and receiver including the same

 #69
20190103846
2019-04-04

Power amplifier circuit

 #70
20190097591
2019-03-28

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

 #71
20190097585
2019-03-28

Doherty power amplifier having high supply voltage

 #72
20190081597
2019-03-14

Hybrid cascode constructions with multiple transistor types

 #73
20190074802
2019-03-07

Low noise amplifier

 #74
20180351514
2018-12-06

Dual-feedback amplifier limiter

 #75
20180331657
2018-11-15

RADIO FREQUENCY SYSTEM WITH SWITCH TO RECEIVE ENVELOPE

 #76
20180302045
2018-10-18

Power amplifier module

 #77
20180294781
2018-10-11

Apparatus and methods for oscillation suppression of cascode power amplifiers

 #78
20180287564
2018-10-04

Modulated supply amplifier with adjustable input parameter configuration

 #79
20180287562
2018-10-04

Power amplifier circuit

 #80
20180254755
2018-09-06

Weakly coupled based harmonic rejection filter for feedback linearization power amplifier

 #81
20180248523
2018-08-30

Radio-frequency devices having AM-PM distortion correction features

 #82
20180241360
2018-08-23

Radio-frequency amplification systems, devices and methods

 #83
20180241359
2018-08-23

Amplifier, filter, communication apparatus and network node

 #84
20180205345
2018-07-19

Front end circuit

 #85
20180183389
2018-06-28

Enhanced amplifier efficiency through cascode current steering

 #86
20180167038
2018-06-14

Fully depleted silicon on insulator power amplifier

 #87
20180152143
2018-05-31

Power amplifier circuit

 #88
20180138872
2018-05-17

Impedance transformation circuit for amplifier

 #89
20180131340
2018-05-10

Gain control method for a broadband inductorless low noise amplifier

 #90
20180097483
2018-04-05

Thermally rugged power amplifiers and related methods

 #91
20180083580
2018-03-22

Programmable filter in an amplifier

 #92
20180062580
2018-03-01

Output power cell for cascode amplifiers

 #93
20180054171
2018-02-22

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

 #94
20180041204
2018-02-08

Switch with envelope injection

 #95
20180041170
2018-02-08

Radio frequency system with switch to receive envelope

 #96
20180026594
2018-01-25

Peaking amplifier bias control

 #97
20180019719
2018-01-18

Bidirectional amplifier

 #98
20170359038
2017-12-14

Power amplifier circuit

 #99
20170331434
2017-11-16

Cascode switch for amplifier

 #100
20170317653
2017-11-02

Methods for power amplification with shared common base biasing

 #101
20170302231
2017-10-19

Methods, modules and devices for detecting a saturation condition of a power amplifier

 #102
20170302230
2017-10-19

Power amplification system with adjustable common base bias

 #103
20170279412
2017-09-28

Modulated supply amplifier with adjustable input parameter configuration

 #104
20170250727
2017-08-31

Cascode amplifier segmentation for enhanced thermal ruggedness

 #105
20170187337
2017-06-29

Advanced amplifier system for ultra-wide band RF communication

 #106
20170187333
2017-06-29

Non-inverting amplifier circuits

 #107
20170179886
2017-06-22

Power amplifier circuit and semiconductor integrated circuit

 #108
20170149390
2017-05-25

Cascode power amplifier with switchable output matching network

 #109
20170026005
2017-01-26

Compression control of cascode power amplifiers

 #110
20160352289
2016-12-01

Front end circuit

 #111
20160344350
2016-11-24

Method and system for linearizing a radio frequency power amplifier

 #112
20160344346
2016-11-24

Power amplifier

 #113
20160344345
2016-11-24

Low noise amplifier with noise and linearity improvement

 #114
20160276983
2016-09-22

Multi-mode integrated front end module

 #115
20160248389
2016-08-25

Power amplifier having staggered cascode layout for enhanced thermal ruggedness

 #116
20160248384
2016-08-25

Doherty power amplifier having reduced size

 #117
20160248378
2016-08-25

Apparatus and methods for multi-mode low noise amplifiers

 #118
20160241295
2016-08-18

Power amplification system with common base pre-amplifier

 #119
20160241210
2016-08-18

Power amplifier with cascode switching or splitting functionality

 #120
20160241209
2016-08-18

Doherty power amplifier having AM-AM compensation

 #121
20160241208
2016-08-18

Radio-frequency power amplifiers driven by boost converter

 #122
20160241203
2016-08-18

Power amplification system with adjustable common base bias

 #123
20160241202
2016-08-18

Enhanced amplifier efficiency through cascode current steering

 #124
20160241195
2016-08-18

Power amplification system with shared common base biasing

 #125
20160241194
2016-08-18

Cascode amplifier segmentation for enhanced thermal ruggedness

 #126
20160197586
2016-07-07

Peak detecting cascode for breakdown protection

 #127
20160191086
2016-06-30

Compression control through amplitude adjustment of a radio frequency input signal

 #128
20160191001
2016-06-30

Compression control through power amplifier load adjustment

 #129
20160190996
2016-06-30

Cascode switch for power amplifier

 #130
20160065142
2016-03-03

Parallel combined output linear amplifier and operating method thereof

 #131
20150301362
2015-10-22

Integrated driver and related method

 #132
20150207491
2015-07-23

Device for negative group delay

 #133
20150130537
2015-05-14

Power amplification module

 #134
20150123732
2015-05-07

RF amplifier

 #135
20150084690
2015-03-26

Gain invariant impedance feedback amplifier

 #136
20140340149
2014-11-20

Method for low power low noise input bias current compensation

 #137
20140266531
2014-09-18

Weakly coupled based harmonic rejection filter for feedback linearization power amplifier

 #138
20140266458
2014-09-18

RF replicator for accurate modulated amplitude and phase measurement

 #139
20140266437
2014-09-18

Active cascode circuit using backgate control

 #140
20140210554
2014-07-31

Amplifiers with improved isolation

 #141
20140162732
2014-06-12

Gain control method for a broadband inductorless low noise amplifier

 #142
20140132348
2014-05-15

Differential amplifier

 #143
20140077883
2014-03-20

Cascode cell having DC blocking capacitor

 #144
20140028397
2014-01-30

Low voltage multi-stage amplifier

 #145
20130308893
2013-11-21

Integrated driver and related method

 #146
20130249637
2013-09-26

Multi-path broadband amplifier

 #147
20130249110
2013-09-26

Method and apparatus for reduced parasitics and improved multi-finger transistor thermal impedance

 #148
20130229237
2013-09-05

High-frequency amplifier

 #149
20130181771
2013-07-18

LIGHT RECEIVING CIRCUIT AND PHOTO-COUPLING TYPE INSULATED CIRCUIT

 #150
20130127542
2013-05-23

ACTIVE ANTENNA ARRANGEMENT WITH DOHERTY AMPLIFIER

 #151
20130106507
2013-05-02

Systems and methods for performing multi-modal power amplification

 #152
20130002225
2013-01-03

Current-mode active termination

 #153
20120206205
2012-08-16

Variable gain amplifier

 #154
20120206199
2012-08-16

Method and apparatus to linearize transconductors by predistortion

 #155
20120176199
2012-07-12

Transimpedance amplifier, integrated circuit and system

 #156
20120112835
2012-05-10

Transformer coupled distributed amplifier

 #157
20120001695
2012-01-05

Radio frequency power amplifier

 #158
20110294446
2011-12-01

Gyrator circuit, wide-band amplifier and radio communication apparatus

 #159
20110234321
2011-09-29

Multi-function monolithic microwave integrated circuit (MMIC) operating as amplifier switch

 #160
20110204979
2011-08-25

Constructive feedback traveling wave device and method

 #161
20110187458
2011-08-04

Power amplifier

 #162
20110175685
2011-07-21

Multi-primary distributed active transformer amplifier power supply and control

 #163
20110163810
2011-07-07

Low distortion cascode amplifier circuit

 #164
20110050372
2011-03-03

Integrated channel filter using multiple resonant filters and method of operation

 #165
20110006845
2011-01-13

Amplifier stage

 #166
20110001173
2011-01-06

Monolithically integrated antenna and receiver circuit for the detection of terahertz waves

 #167
20100289028
2010-11-18

Display device

 #168
20100289027
2010-11-18

Electronic device, constituted by using thin-film transistors

 #169
20100283548
2010-11-11

Multi-primary distributed active transformer amplifier power supply and control

 #170
20100283543
2010-11-11

Variable gain amplifier

 #171
20100283542
2010-11-11

Linear transimpedance amplifier with wide dynamic range for high rate applications

 #172
20100246659
2010-09-30

Global instruction broadcasting for pulse-position modulated data transmission

 #173
20100188154
2010-07-29

Trans-impedance amplifier

 #174
20100182091
2010-07-22

Method and apparatus to linearize transconductors by predistortion

 #175
20100127783
2010-05-27

Switching low noise amplifier

 #176
20100052784
2010-03-04

Low noise amplifier

 #177
20100045864
2010-02-25

Twisted pair communications line system

 #178
20100045372
2010-02-25

Amplification circuit, amplification circuit noise reducing method and program thereof

 #179
20090298455
2009-12-03

Low noise receiving apparatus

 #180
20090261900
2009-10-22

Apparatus for coupling at least one of a plurality of amplified input signals to an output terminal using a directional coupler

 #181
20090219089
2009-09-03

Amplifier arrangement and method

 #182
20090206932
2009-08-20

Low noise amplifier gain controlled scheme

 #183
20090186592
2009-07-23

RADIO RECEIVER AND RECEIVING SEMICONDUCTOR INTEGRATED CIRCUIT

 #184
20090115525
2009-05-07

FREQUENCY TUNABLE LOW NOISE AMPLIFIER

 #185
20090108937
2009-04-30

Low noise amplifier and differential amplifier

 #186
20090102592
2009-04-23

Multi-primary distributed active transformer amplifier power supply and control

 #187
20090045879
2009-02-19

Amplifier and method for operating the same

 #188
20080309413
2008-12-18

Gain switching low-noise amplifier circuit

 #189
20080303593
2008-12-11

MuGFET circuit for increasing output resistance

 #190
20080297262
2008-12-04

Increased gain high-frequency amplifier

 #191
20080258821
2008-10-23

CMOS triple-band RF VGA and power amplifier in linear transmitter

 #192
20080252546
2008-10-16

Ultra wideband impulse radar

 #193
20080252381
2008-10-16

Transformer circuit

 #194
20080231383
2008-09-25

Origami cascaded topology for analog and mixed-signal applications

 #195
20080231370
2008-09-25

Apparatus and methods for amplifiers

 #196
20080214139
2008-09-04

Multistage Resonant Amplifier System and Method

 #197
20080122541
2008-05-29

Amplifier circuit

 #198
20080119153
2008-05-22

Multiband wireless device and semiconductor integrated circuit

 #199
20080106332
2008-05-08

Switching Low Noise Amplifier

 #200
20080100375
2008-05-01

Integrated channel filter using multiple resonant filters and method of operation

 #201
20080068088
2008-03-20

AMPLIFIER CIRCUIT

 #202
20080057883
2008-03-06

Power control for a dual mode transmitter

 #203
20080042742
2008-02-21

Distortion Nulling for Single-Ended High Dynamic Range RF Amplifier

 #204
20080042152
2008-02-21

Electronic device, display device, interface circuit and differential amplification device, which are constituted by using thin-film transistors

 #205
20080029753
2008-02-07

Configurable circuits using phase change switches

 #206
20080012643
2008-01-17

Tunable cascode LNA with flat gain response over a wide frequency range

 #207
20080007335
2008-01-10

Power amplifier

 #208
20070296507
2007-12-27

Cascode-connected amplifier circuit, semiconductor integrated circuit using same, and receiving apparatus using same

 #209
20070273445
2007-11-29

Millimeter-wave cascode amplifier gain boosting technique

 #210
20070252646
2007-11-01

Adaptive bias current circuit and method for amplifiers

 #211
20070229167
2007-10-04

Bias circuitry for cascode transistor circuit

 #212
20070229154
2007-10-04

Differential amplifier with active post-distortion linearization

 #213
20070228257
2007-10-04

Trans-impedance amplifier with offset current

 #214
20070146078
2007-06-28

Selective amplifier

 #215
20070096831
2007-05-03

Multi-stage broadband amplifiers

 #216
20070057296
2007-03-15

Voltage-controlled amplifier for a signal processing system

 #217
20070030077
2007-02-08

Use of a thick oxide device as a cascode for a thin oxide transconductance device in MOSFET technology and its application to a power amplifier design

 #218
20070024376
2007-02-01

Radio frequency power amplifier module

 #219
20070018730
2007-01-25

Apparatus and method reducing non-linearity in an output signal of an amplifier device

 #220
20070007626
2007-01-11

High-power-gain, bipolar transistor amplifier

 #221
20060244648
2006-11-02

Radio frequency digital-to-analog converter

 #222
20060238269
2006-10-26

Reflection loss suppression circuit

 #223
20060232340
2006-10-19

Current mirror with low headroom requirement

 #224
20060232329
2006-10-19

Integrated channel filter using multiple resonant filters and method of operation

 #225
20060220748
2006-10-05

Use of a thick oxide device as a cascode for a thin oxide transconductance device in MOSFET technology and its application to a power amplifier design

 #226
20060170503
2006-08-03

Small-sized on-chip CMOS power amplifier having improved efficiency

 #227
20060119436
2006-06-08

High linearity digital variable gain amplifier

 #228
20060114065
2006-06-01

High linearity digital variable gain amplifier

 #229
20060103468
2006-05-18

Single-ended input to differential output low noise amplifier with a cascode topology

 #230
20060077102
2006-04-13

Wafer scale beam forming antenna module with distributed amplification

 #231
20060028280
2006-02-09

Modulation dependent biasing for efficient and high linearity power amplifiers

 #232
20060028278
2006-02-09

Radio frequency power amplifier module

 #233
20060017499
2006-01-26

Subtractor circuit and power detector arrangement having that subtractor circuit

 #234
20060006950
2006-01-12

Power amplifier utilizing high breakdown voltage circuit topology

 #235
20050242887
2005-11-03

Low noise amplifier

 #236
20050231283
2005-10-20

Integrated circuit device

 #237
20050218995
2005-10-06

Circuit for increasing the unity gain crossover frequency of an amplifier element

 #238
20050212603
2005-09-29

Electronic circuit

 #239
20050200420
2005-09-15

Supply circuit for power amplifier drivers

 #240
20050189995
2005-09-01

Multi-primary distributed active transformer amplifier power supply and control

 #241
20050184813
2005-08-25

Multi-primary distributed active transformer oscillator power supply and control

 #242
20050162294
2005-07-28

Radio frequency digital-to-analog converter

 #243
20050146389
2005-07-07

Split cascode line amplifier for current-mode signal transmission

 #244
20050140456
2005-06-30

Variable-gain cascode amplifier using voltage-controlled and variable inductive load

 #245
20050134385
2005-06-23

Continuous variable-gain low-noise amplifier

 #246
20050134373
2005-06-23

Switchable gain amplifier

 #247
20050122173
2005-06-09

Millimeter-wave unilateral low-noise amplifier

 #248
20050122172
2005-06-09

Biased Darlington transistor pair, method, and system

 #249
20050093626
2005-05-05

Radio frequency power amplifier module

 #250
20050088242
2005-04-28

Use of a thick oxide device as a cascode for a thin oxide transcoductance device in MOSFET technology and its application to a power amplifier design

 #251
20050077963
2005-04-14

Modulation dependent biasing for efficient and high-linearity power amplifiers

 #252
20050062540
2005-03-24

Amplifier and frequency converter

 #253
20050024143
2005-02-03

Analog electronic device

 #254
20050012553
2005-01-20

Variable gain low noise amplifier and method

 #255
15097700
2017-10-03

N-stacked field effect transistor based traveling wave power amplifier for monolithic microwave integrated circuits

 #256
14952181
2016-08-02

High power and high linearity cascode amplifier

 #257
14177849
2016-01-05

High power and high linearity cascode amplifier

 #258
14149306
2015-12-22

High linearity low noise amplifier

 #259
13920258
2016-09-13

Broadband amplifier topology with current shutdown

 #260
13795938
2016-01-19

High linearity, high efficiency, low noise, gain block using cascode network