H03F2200/213 - CPC Classification Index

#1

20260088763

2026-03-26

LOAD MODULATED POWER AMPLIFIERS WITH PHASE COMPENSATION

#2

20250015764

2025-01-09

MULTIBAND DOHERTY POWER AMPLIFIER

#3

20240364269

2024-10-31

Source Switched Split LNA

#4

20240133934

2024-04-25

Capacitance measurement circuit

#5

20230370030

2023-11-16

RADIO FREQUENCY LOW NOISE AMPLIFIERS

#6

20230208365

2023-06-29

Compact architecture for multipath low noise amplifier

#7

20220158599

2022-05-19

METHODS RELATED TO AMPLIFICATION OF RADIO-FREQUENCY SIGNALS

#8

20210336584

2021-10-28

Source switched split LNA

#9

20210273616

2021-09-02

Compact architecture for multipath low noise amplifier

#10

20200373889

2020-11-26

Programmable amplifiers

#11

20200321942

2020-10-08

Tunable filter for RF circuits

#12

20200235708

2020-07-23

Power amplifier and impedance adjustment circuit

#13

20200220508

2020-07-09

Configurable wideband split LNA

#14

20200186101

2020-06-11

Amplification circuit

#15

20200153403

2020-05-14

Variable-phase amplifier circuits and devices

#16

20200144967

2020-05-07

Source switched split LNA

#17

20200091876

2020-03-19

Compact Architecture for Multipath Low Noise Amplifier

#18

20200044336

2020-02-06

Dynamic supply modulation power amplifier architecture for millimeter wave applications

#19

20190363680

2019-11-28

Variable gain low noise amplifying apparatus with phase distortion compensation

#20

20190319597

2019-10-17

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

#21

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

#22

20190230132

2019-07-25

Access control to a voice service by a wireless access point

#23

20190068139

2019-02-28

System and method for low distortion capacitive signal source amplifier

#24

20190052238

2019-02-14

Circuit module having dual-mode wideband power amplifier architecture

#25

20190044481

2019-02-07

ARCHITECTURE FOR HIGH-BANDWIDTH POWER SUPPLY TO POWER AMPLIFIER (PA) DISTRIBUTION NETWORK

#26

20190013796

2019-01-10

Tunable filter for RF circuits

#27

20180375481

2018-12-27

I—V conversion module

#28

20180302039

2018-10-18

Source switched split LNA

#29

20180270588

2018-09-20

MEMS transducer amplifiers

#30

20180262172

2018-09-13

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

#31

20180226929

2018-08-09

Circuit for and method of implementing a multifunction output generator

#32

20180175807

2018-06-21

LNA with programmable linearity

#33

20180102745

2018-04-12

Low-noise amplifier and electronic device

#34

20180076780

2018-03-15

Fast settling capacitive gain amplifier circuit

#35

20180076779

2018-03-15

Fast settling capacitive gain amplifier circuit

#36

20180062599

2018-03-01

Low-noise amplifier having programmable-phase gain stage

#37

20180062595

2018-03-01

Semiconductor device with improved variable gain amplification

#38

20170359036

2017-12-14

Sensor amplifier arrangement and method of amplifying a sensor signal

#39

20170359029

2017-12-14

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

#40

20170207758

2017-07-20

Power amplifier system and associated control circuit and control method

#41

20170085237

2017-03-23

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

#42

20170085226

2017-03-23

Active device and circuits used therewith

#43

20160241199

2016-08-18

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

#44

20160233905

2016-08-11

Tunable radio frequency low noise amplifier

#45

20160233843

2016-08-11

Amplifier with integral notch filter

#46

20160218688

2016-07-28

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#47

20160190993

2016-06-30

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

#48

20160190989

2016-06-30

Optimization methods for amplifier with variable supply power

#49

20160164469

2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

#50

20160164468

2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

#51

20160065264

2016-03-03

Low noise amplifier and method for carrier aggregation and non-carrier aggregation

#52

20160065152

2016-03-03

System and method for low distortion capacitive signal source amplifier

#53

20160056776

2016-02-25

Sensor amplifier arrangement and method of amplifying a sensor signal

#54

20160056774

2016-02-25

System and method for a low noise amplifier

#55

20160056771

2016-02-25

Switching circuit

#56

20150333706

2015-11-19

Radio frequency power amplifier circuit

#57

20150288334

2015-10-08

Power amplifier

#58

20150214908

2015-07-30

Power amplifier

#59

20150126136

2015-05-07

Low-noise amplifier matching

#60

20150038093

2015-02-05

Tunable radio frequency low noise amplifier

#61

20150035595

2015-02-05

Low-noise receiver with complex RF attenuator

#62

20140184335

2014-07-03

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

#63

20140037113

2014-02-06

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#64

20130266156

2013-10-10

Sensor amplifier arrangement and method for amplification of a sensor signal

#65

20130190036

2013-07-25

Multi-mode bypass driver amplifier with tunable load matching

#66

20130127540

2013-05-23

Power amplifier

#67

20130116577

2013-05-09

Biomedical acquisition system with motion artifact reduction

#68

20130113549

2013-05-09

Variable capacitor circuit and method

#69

20130051582

2013-02-28

System and method for low distortion capacitive signal source amplifier

#70

20120092074

2012-04-19

Apparatus and method for a switched capacitor architecture for multi-band doherty power amplifiers

#71

20120075021

2012-03-29

Wideband low noise sensor amplifier circuit

#72

20110298535

2011-12-08

System and method for compensating for changes in an output impedance of a power amplifier

#73

20100329487

2010-12-30

Preamplifier circuit for a microelectromechanical capacitive acoustic transducer

#74

20100259331

2010-10-14

High-linearity low noise amplifier

#75

20100201437

2010-08-12

Tunable RF filter

#76

20090189697

2009-07-30

Auto-tuning amplifier

#77

20090184770

2009-07-23

Device and method for biasing a transistor amplifier

#78

20090051441

2009-02-26

Low-noise amplifier

#79

20090015337

2009-01-15

Device and method for biasing a transistor amplifier

#80

20090009253

2009-01-08

Analog circuit

#81

20090009250

2009-01-08

Low noise amplifier

#82

20080303597

2008-12-11

Semiconductor circuit

#83

20080303591

2008-12-11

Amplifying circuit and associated linearity improving method

#84

20080180175

2008-07-31

Variable gain amplifier and control method thereof

#85

20080157876

2008-07-03

Low strain variable frequency amplifier

#86

20080136415

2008-06-12

Integrated capacitor shield for balun in MRI receivers

#87

20070285166

2007-12-13

Fully differential sensing apparatus and input common-mode feedback circuit thereof

#88

20050195541

2005-09-08

LOAD AND MATCHING CIRCUIT HAVING ELECTRICALLY CONTROLLABLE FREQUENCY RANGE

#89

20050195053

2005-09-08

Variable capacitor circuit and integrated circuit containing the same

#90

14588311

2018-09-04

Tunable filter for RF circuits