Patents-Review.com
ClassID:

219662 ⎘

H03F2200/489 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A coil being added in the source circuit of a common source stage, e.g. as degeneration means

Recent Application in this class:
#1
20250260370
2025-08-14

Cascode Amplifier Bias Circuits

 #2
20250096737
2025-03-20

LOW-NOISE AMPLIFIER (LNA) INPUT IMPEDANCE IMPROVEMENT USING COUPLING BETWEEN OUTPUT INDUCTOR AND DEGENERATION INDUCTOR

 #3
20240364269
2024-10-31

Source Switched Split LNA

 #4
20240348211
2024-10-17

Cascode amplifier bias circuits

 #5
20240186958
2024-06-06

Drain switched split amplifier with capacitor switching for noise figure and isolation improvement in split mode

 #6
20240171145
2024-05-23

Tunable Effective Inductance for Multi-Gain LNA with Inductive Source Degeneration

 #7
20240146272
2024-05-02

Optimized Multi Gain LNA Enabling Low Current and High Linearity Including Highly Linear Active Bypass

 #8
20240022220
2024-01-18

Drain sharing split LNA

 #9
20230387864
2023-11-30

Cascode amplifier bias circuits

 #10
20230361723
2023-11-09

LOW NOISE AMPLIFIER CIRCUIT

 #11
20230107218
2023-04-06

Drain sharing split LNA

 #12
20220368287
2022-11-17

Cascode amplifier bias circuits

 #13
20220231648
2022-07-21

Tunable effective inductance for multi-gain LNA with inductive source degeneration

 #14
20220209719
2022-06-30

Drain switched split amplifier with capacitor switching for noise figure and isolation improvement in split mode

 #15
20220173708
2022-06-02

Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass

 #16
20220158599
2022-05-19

METHODS RELATED TO AMPLIFICATION OF RADIO-FREQUENCY SIGNALS

 #17
20220085773
2022-03-17

Semiconductor circuit

 #18
20220029587
2022-01-27

LOW NOISE AMPLIFIER CIRCUIT

 #19
20210336584
2021-10-28

Source switched split LNA

 #20
20210135636
2021-05-06

Drain sharing split LNA

 #21
20210013841
2021-01-14

Cascode amplifier bias circuits

 #22
20200343862
2020-10-29

Drain switched split amplifier with capacitor switching for noise figure and isolation improvement in split mode

 #23
20200328724
2020-10-15

Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass

 #24
20200220508
2020-07-09

Configurable wideband split LNA

 #25
20200153403
2020-05-14

Variable-phase amplifier circuits and devices

 #26
20200144967
2020-05-07

Source switched split LNA

 #27
20190393844
2019-12-26

Low noise amplifier circuit

 #28
20190372528
2019-12-05

Drain switched split amplifier with capacitor switching for noise figure and isolation improvement in split mode

 #29
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

 #30
20190229679
2019-07-25

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

 #31
20190158031
2019-05-23

Cascode amplifier bias circuits

 #32
20190074802
2019-03-07

Low noise amplifier

 #33
20190020322
2019-01-17

Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass

 #34
20180323821
2018-11-08

Communications device with receiver chain of reduced size

 #35
20180302039
2018-10-18

Source switched split LNA

 #36
20180198422
2018-07-12

Low noise amplifier circuit

 #37
20180175807
2018-06-21

LNA with programmable linearity

 #38
20180175803
2018-06-21

RADIO FREQUENCY INTEGRATED CIRCUIT (RFIC) CHARGED-DEVICE MODEL (CDM) PROTECTION

 #39
20180097481
2018-04-05

Fully integrated low-noise amplifier

 #40
20180083578
2018-03-22

Cascode amplifier bias circuits

 #41
20180069510
2018-03-08

Frequency selective low noise amplifier circuit

 #42
20180062599
2018-03-01

Low-noise amplifier having programmable-phase gain stage

 #43
20170317648
2017-11-02

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

 #44
20170302237
2017-10-19

Linearized dynamic amplifier

 #45
20170070197
2017-03-09

Low noise amplifier circuit

 #46
20170019075
2017-01-19

RF amplifier

 #47
20160336983
2016-11-17

Radio frequency low noise amplifier with on-chip matching and built-in tunable filter

 #48
20160261234
2016-09-08

Transconductance optimization using feedback-balun-transformer with inductance degeneration combinations

 #49
20160254789
2016-09-01

Electrostatic discharge protection for CMOS amplifier

 #50
20150341007
2015-11-26

Carrier aggregation amplifier with dual gain control

 #51
20140333384
2014-11-13

Circuits and methods related to low-noise amplifiers having improved linearity

 #52
20140268447
2014-09-18

Radio frequency integrated circuit (RFIC) charged-device model (CDM) protection

 #53
20140266461
2014-09-18

Split amplifiers with improved linearity

 #54
20140240048
2014-08-28

Amplifiers with multiple outputs and configurable degeneration inductor

 #55
20140213209
2014-07-31

Single-input multiple-output amplifiers with independent gain control per output

 #56
20130314164
2013-11-28

Low-noise amplifier with impedance boosting circuit

 #57
20110068871
2011-03-24

Amplifier for amplifying a high-frequency signal

 #58
20110050372
2011-03-03

Integrated channel filter using multiple resonant filters and method of operation

 #59
20100321113
2010-12-23

Low noise amplifier

 #60
20100315151
2010-12-16

Power control circuit

 #61
20100201450
2010-08-12

Controlling amplifier input impedance

 #62
20100189194
2010-07-29

FREQUENCY GENERATION CIRCUIT

 #63
20100188133
2010-07-29

POWER CONTROL CIRCUIT

 #64
20100033253
2010-02-11

Techniques for improving balun loaded-Q

 #65
20090251176
2009-10-08

Frequency divider circuits

 #66
20080297259
2008-12-04

Configurable, variable gain LNA for multi-band RF receiver

 #67
20080242257
2008-10-02

FIELD EFFECT TRANSISTOR AMPLIFIER WITH LINEARIZATION

 #68
20080111632
2008-05-15

Cascode low noise amplifier with a source coupled active inductor

 #69
20080100375
2008-05-01

Integrated channel filter using multiple resonant filters and method of operation

 #70
20080029753
2008-02-07

Configurable circuits using phase change switches

 #71
20070229154
2007-10-04

Differential amplifier with active post-distortion linearization

 #72
20070058308
2007-03-15

Electrostatic discharge protected circuits

 #73
20060232329
2006-10-19

Integrated channel filter using multiple resonant filters and method of operation

 #74
20060132242
2006-06-22

Low noise amplifier for wideband tunable matching

 #75
20050176399
2005-08-11

Field effect transistor amplifier with linearization