Patents-Review.com
ClassID:

219565 ⎘

H03F2200/225 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the input circuit of an amplifying stage comprising an LC-network

Recent Application in this class:
#1
20260005655
2026-01-01

INPUT PREMATCH CIRCUITS FOR PSUDO-INVERSE CLASS F AMPLIFIER

 #2
20250385643
2025-12-18

THREE STAGE POWER AMPLIFIER WITH PEAK OUTPUT MATCH

 #3
20250260370
2025-08-14

Cascode Amplifier Bias Circuits

 #4
20250023521
2025-01-16

DOHERTY AMPLIFIER

 #5
20240364269
2024-10-31

Source Switched Split LNA

 #6
20240348211
2024-10-17

Cascode amplifier bias circuits

 #7
20240128937
2024-04-18

POWER AMPLIFIER WITH IMPROVED HARMONIC TERMINATION

 #8
20230387868
2023-11-30

Wideband Amplifier

 #9
20230387864
2023-11-30

Cascode amplifier bias circuits

 #10
20230179152
2023-06-08

LOW NOISE AMPLIFIER AND OPERATING METHOD THEREOF

 #11
20220368287
2022-11-17

Cascode amplifier bias circuits

 #12
20210336584
2021-10-28

Source switched split LNA

 #13
20210184631
2021-06-17

Automatic frequency shift compensation (AFSC) in resonant tank circuits over the process variation

 #14
20210135639
2021-05-06

Radio frequency (RF) amplifier

 #15
20210013841
2021-01-14

Cascode amplifier bias circuits

 #16
20210013837
2021-01-14

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

 #17
20200412302
2020-12-31

Power amplifier

 #18
20200389130
2020-12-10

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

 #19
20200382075
2020-12-03

RF power transistor circuit

 #20
20200266773
2020-08-20

Power amplifier module

 #21
20200212852
2020-07-02

Circuit with co-matching topology for transmitting and receiving RF signals

 #22
20200204119
2020-06-25

Broadband power transistor devices and amplifiers with input-side harmonic termination circuits and methods of manufacture

 #23
20200195202
2020-06-18

RF Power Amplifiers with Diode Linearizer

 #24
20200169224
2020-05-28

Circuit structure and method for improving harmonic suppression capability of radio frequency power amplifier

 #25
20200144967
2020-05-07

Source switched split LNA

 #26
20190386616
2019-12-19

Front-end for processing 2G signal using 3G/4G paths

 #27
20190372533
2019-12-05

Wideband low noise amplifier (LNA) with a reconfigurable bandwidth for millimeter-wave 5G communication

 #28
20190356283
2019-11-21

Amplifier device

 #29
20190356276
2019-11-21

Power amplifier

 #30
20190263712
2019-08-29

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

 #31
20190229077
2019-07-25

Packaged RF power amplifier having a high power density

 #32
20190199292
2019-06-27

Envelope detecting circuit

 #33
20190190464
2019-06-20

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

 #34
20190173434
2019-06-06

RF power transistor circuits

 #35
20190165742
2019-05-30

Power amplifier module

 #36
20190158031
2019-05-23

Cascode amplifier bias circuits

 #37
20190140639
2019-05-09

Resonant power converters with switchable resonant modes

 #38
20190140598
2019-05-09

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

 #39
20190123698
2019-04-25

Common base pre-amplifier

 #40
20190097580
2019-03-28

Radio frequency power amplifier

 #41
20190089314
2019-03-21

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

 #42
20190088642
2019-03-21

RF amplifier package with biasing strip

 #43
20190044483
2019-02-07

RF amplifier with dual frequency response capacitor

 #44
20190036499
2019-01-31

Power amplifier harmonic matching network

 #45
20190020314
2019-01-17

RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof

 #46
20180302039
2018-10-18

Source switched split LNA

 #47
20180198420
2018-07-12

RF amplifier

 #48
20180175807
2018-06-21

LNA with programmable linearity

 #49
20180175801
2018-06-21

Inter-stage network for radio frequency amplifier

 #50
20180145637
2018-05-24

Power amplifier

 #51
20180145023
2018-05-24

Semiconductor device and amplifier apparatus

 #52
20180123527
2018-05-03

Method and apparatus for distortion reduction in a class D amplifier

 #53
20180115283
2018-04-26

ENVELOPE DETECTING CIRCUIT

 #54
20180083578
2018-03-22

Cascode amplifier bias circuits

 #55
20180062590
2018-03-01

Power amplifier module

 #56
20170366148
2017-12-21

Compact chireix combiner and impedance matching circuit

 #57
20170366141
2017-12-21

RF power transistor circuits

 #58
20170338778
2017-11-23

RF power transistor circuits

 #59
20170294886
2017-10-12

Facilitation of increased bandwidth for a low noise amplifier

 #60
20170272041
2017-09-21

Power amplifier

 #61
20170230009
2017-08-10

Integrated 3-way Doherty amplifier

 #62
20170214369
2017-07-27

Power amplifier system and associated bias circuit

 #63
20170077879
2017-03-16

Linearization circuit for a multiple-stage RF power amplifier

 #64
20170054419
2017-02-23

Output impedance-matching network having harmonic-prevention circuitry

 #65
20160336907
2016-11-17

High gain RF power amplifier with negative capacitor

 #66
20160329866
2016-11-10

RF power amplifiers with diode linearizer

 #67
20160322968
2016-11-03

High efficiency resonant power converters and resonant gate drivers

 #68
20160285418
2016-09-29

RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof

 #69
20160241295
2016-08-18

Power amplification system with common base pre-amplifier

 #70
20160233843
2016-08-11

Amplifier with integral notch filter

 #71
20160191105
2016-06-30

Circuits and methods for 2G amplification using 3G/4G linear path combination

 #72
20160126921
2016-05-05

Dynamic power divider circuits and methods

 #73
20160118941
2016-04-28

Amplification of a radio frequency signal

 #74
20160072451
2016-03-10

RF power transistor circuits

 #75
20150207474
2015-07-23

Concurrent multi-band radio frequency amplifying circuit

 #76
20150126136
2015-05-07

Low-noise amplifier matching

 #77
20150035595
2015-02-05

Low-noise receiver with complex RF attenuator

 #78
20140167863
2014-06-19

RF power transistor circuits

 #79
20140167855
2014-06-19

RF power transistor circuits

 #80
20130207728
2013-08-15

Amplifier circuit and operating method thereof

 #81
20130033325
2013-02-07

RF power transistor circuit

 #82
20120218040
2012-08-30

Class-AB power amplifier

 #83
20110210786
2011-09-01

Doherty amplifier with input network optimized for MMIC

 #84
20100259331
2010-10-14

High-linearity low noise amplifier

 #85
20100244962
2010-09-30

Distributed active transformer based millimeter-wave power amplifier circuit

 #86
20100148858
2010-06-17

BIAS CIRCUIT

 #87
20100001802
2010-01-07

INTEGRATED DOHERTY TYPE AMPLIFIER ARRANGEMENT WITH HIGH POWER EFFICIENCY

 #88
20090212858
2009-08-27

Integrated doherty type amplifier arrangement with high power efficiency

 #89
20090184769
2009-07-23

Negative-feedback type ultra-wideband signal amplification circuit

 #90
20090179702
2009-07-16

Doherty amplifier

 #91
20090079524
2009-03-26

MULTI-BAND TUNABLE RESONANT CIRCUIT

 #92
20080315392
2008-12-25

RF power transistor packages with internal harmonic frequency reduction and methods of forming RF power transistor packages with internal harmonic frequency reduction

 #93
20080224771
2008-09-18

Compensation for parasitic coupling between RF or microwave transistors in the same package

 #94
20080180178
2008-07-31

Power amplifier with an output matching network

 #95
20080143442
2008-06-19

Electrical Circuit

 #96
20080012635
2008-01-17

Multiple power mode amplifier with bias modulation option and without bypass switches

 #97
20080007329
2008-01-10

Multiple power mode amplifier with bias modulation option and without bypass switches

 #98
20080007328
2008-01-10

Multiple power mode amplifier with bias modulation option and without bypass switches

 #99
20080007327
2008-01-10

Multiple power mode amplifier with bias modulation option and without bypass switches

 #100
20070170968
2007-07-26

Device for transmitting electromagnetic signals and application of said device

 #101
20070139129
2007-06-21

RF balanced matching device

 #102
20070126516
2007-06-07

On-chip tunable artificial tank circuit

 #103
20070096831
2007-05-03

Multi-stage broadband amplifiers

 #104
20070096805
2007-05-03

Multiple power mode amplifier with bias modulation option and without bypass switches

 #105
20050264364
2005-12-01

Quadrature offset power amplifier

 #106
20050261797
2005-11-24

Multi-band tunable resonant circuit

 #107
20050227627
2005-10-13

Programmable radio transceiver

 #108
20050212604
2005-09-29

Programmable radio transceiver

 #109
20050083117
2005-04-21

Multiple power mode amplifier with bias modulation option and without bypass switches

 #110
15846719
2019-05-21

Radio frequency amplifier and integrated circuit using the radio frequency amplifier

 #111
15846671
2019-04-30

Radio frequency amplifier and integrated circuit using the radio frequency amplifier

 #112
15827679
2019-04-23

Broadband input matching and video bandwidth circuits for power amplifiers

 #113
15810147
2018-12-04

Circuit with co-matching topology for transmitting and receiving RF signals

 #114
15715623
2018-12-04

Transistor with shield structure, packaged device, and method of manufacture

 #115
15709532
2018-11-27

RF amplifier package with biasing strip

 #116
15451811
2018-03-20

Harmonic filter for RF amplifier

 #117
15391485
2018-05-22

Input circuits for RF amplifier devices, and methods of manufacture thereof

 #118
15384483
2018-03-27

Distributed amplifiers with impedance compensation circuits

 #119
15064058
2017-04-25

Multi-band Doherty amplifier device and method therefor