H03F2200/546 - CPC Classification Index

#1

20260121590

2026-04-30

DYNAMICALLY-TUNABLE AMPLIFIER

#2

20260019041

2026-01-15

Doherty Amplifier with Adjustable Alpha Factor

#3

20240186966

2024-06-06

RADIO FREQUENCY PUSHPULL POWER AMPLIFIER

#4

20230361736

2023-11-09

TRANSCONDUCTANCE TUNING IN PHOTON COUNTING

#5

20230318544

2023-10-05

POWER AMPLIFIER CIRCUIT

#6

20220158592

2022-05-19

Doherty Amplifier with Adjustable Alpha Factor

#7

20210083510

2021-03-18

Wireless charger and control method

#8

20210058036

2021-02-25

Control of envelope tracker PMIC

#9

20200321942

2020-10-08

Tunable filter for RF circuits

#10

20200259466

2020-08-13

Amplifier

#11

20200228071

2020-07-16

Band-Reconfigurable and Load-Adaptive Power Amplifier

#12

20200209977

2020-07-02

Programmable filter in an amplifier

#13

20200195199

2020-06-18

Configurable switched power amplifier for efficient high/low output power

#14

20200153389

2020-05-14

Doherty amplifier with adjustable alpha factor

#15

20190372533

2019-12-05

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

#16

20190280656

2019-09-12

Amplifier

#17

20190280651

2019-09-12

Doherty amplifier with adjustable alpha factor

#18

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

#19

20190245489

2019-08-08

Control of envelope tracker PMIC

#20

20190199297

2019-06-27

Band-reconfigurable and load-adaptive power amplifier

#21

20190173437

2019-06-06

Programmable filter in an amplifier

#22

20190068135

2019-02-28

Tunable power amplifier with wide frequency range

#23

20190013796

2019-01-10

Tunable filter for RF circuits

#24

20180241352

2018-08-23

Apparatus and method for improving efficiency of power amplifier

#25

20180191312

2018-07-05

Amplifier

#26

20180175807

2018-06-21

LNA with programmable linearity

#27

20180083580

2018-03-22

Programmable filter in an amplifier

#28

20180076778

2018-03-15

Scaleable RF tuned low noise amplifier

#29

20170359029

2017-12-14

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

#30

20170207758

2017-07-20

Power amplifier system and associated control circuit and control method

#31

20170141737

2017-05-18

Apparatus and method for dynamically biased baseband current amplifier

#32

20170012588

2017-01-12

Apparatus and methods for tunable power amplifiers

#33

20170005630

2017-01-05

Scaleable RF tuned low noise amplifier

#34

20170005628

2017-01-05

Tunable power amplifier with wide frequency range

#35

20160373067

2016-12-22

Power amplifying apparatus

#36

20160241199

2016-08-18

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

#37

20160190993

2016-06-30

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

#38

20160190989

2016-06-30

Optimization methods for amplifier with variable supply power

#39

20160164469

2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

#40

20160164468

2016-06-09

Amplifier dynamic bias adjustment for envelope tracking

#41

20160105153

2016-04-14

Band-reconfigurable and load-adaptive power amplifier

#42

20160072456

2016-03-10

Dual-band low noise amplifier

#43

20160072447

2016-03-10

Apparatus and method for dynamically biased baseband current amplifier

#44

20160043698

2016-02-11

Tunable power amplifier with wide frequency range

#45

20160020735

2016-01-21

Power amplifier

#46

20150130541

2015-05-14

Doherty amplifier

#47

20150094008

2015-04-02

Weakly coupled RF network based power amplifier architecture

#48

20150084718

2015-03-26

Multi-band impedance tuners using weakly-coupled LC resonators

#49

20150084713

2015-03-26

Filtering characteristic adjustments of weakly coupled tunable RF filters

#50

20150084699

2015-03-26

RF filter structure for antenna diversity and beam forming

#51

20140184335

2014-07-03

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

#52

20130281042

2013-10-24

Reconfigurable LNA for increased jammer rejection

#53

20120075019

2012-03-29

PA load-line tuning with capacitors around a balun

#54

20110298535

2011-12-08

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

#55

20080157866

2008-07-03

Capacitance multiplier circuit

#56

20080157865

2008-07-03

TUNABLE CAPACITANCE MULTIPLIER CIRCUIT

#57

15866951

2019-05-14

Control of envelope tracker PMIC