H03F3/3001 - CPC Classification Index

ClassID:

219246 ⎘

H03F3/3001 - CPC Classification

Classification description:

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Single-ended push-pull amplifiers ; Phase-splitters therefor with field-effect transistors

Sub-classes:

H03F2003/3003 » {with MOSFET's} 1
H03F2003/3005 » {with junction-FET's} 0
H03F2003/3006 » {in a bridge configuration} 0
H03F3/3008 » {Bifet SEPP output stages} 8
H03F3/301 » {CMOS common drain output SEPP amplifiers } 31
H03F3/3022 » {CMOS common source output SEPP amplifiers } 310
H03F3/3033 » {NMOS SEPP output stages } 8
H03F3/3038 » {PMOS SEPP output stages } 4
H03F3/3044 » {Junction FET SEPP output stages } 2
H03F3/3055 » {Parallelled mixed SEPP stages, e.g. a CMOS common drain and a CMOS common source in parallel or bipolar SEPP and FET SEPP in parallel} 2
H03F3/3061 » {Bridge type, i.e. two complementary controlled SEPP output stages} 14

Recent Application in this class:

20250300613

2025-09-25

PUSH-PULL AMPLIFIER WITH FEEDBACK CANCELLATION

20210067102

2021-03-04

Amplifier circuit

20200251309

2020-08-06

HIGH FREQUENCY AMPLIFIER APPARATUSES

20200153391

2020-05-14

NON-LINEAR HIGH-FREQUENCY AMPLIFIER ARRANGEMENT

20180254758

2018-09-06

Operational amplifier

20180138869

2018-05-17

Non-linear high-frequency amplifier arrangement

20180123526

2018-05-03

High-frequency amplifier apparatuses

20180122621

2018-05-03

High frequency amplifier apparatuses

20180054191

2018-02-22

Low power buffer with dynamic gain control

#10

20170214365

2017-07-27

Audio amplifier

#11

20160373077

2016-12-22

Operational amplifier circuit

#12

20160373063

2016-12-22

Current enhanced driver for high-power solid-state radio frequency power amplifiers

#13

20160365859

2016-12-15

Wideband highly-linear low output impedance D2S buffer circuit

#14

20160204752

2016-07-14

Apparatus and method in apparatus

#15

20160112010

2016-04-21

Low noise amplifier and chip

#16

20150301362

2015-10-22

Integrated driver and related method

#17

20140009316

2014-01-09

Complementary switched capacitor amplifier for pipelined ADCs and other applications

#18

20130308893

2013-11-21

Integrated driver and related method

#19

20130113568

2013-05-09

Push-pull low-noise amplifier with area-efficient implementation

#20

20120299654

2012-11-29

Power amplifier and method for amplifying signal based on power amplifier

#21

20120274405

2012-11-01

Control of minimum current in output transistors of an amplifier output stage

#22

20120105109

2012-05-03

OUTPUT STAGE, AMPLIFIER CONTROL LOOP AND USE OF THE OUTPUT STAGE

#23

20110157146

2011-06-30

Display driver circuit

#24

20110135116

2011-06-09

Method and apparatus for biasing an amplifier

#25

20110043278

2011-02-24

Method and apparatus for biasing an amplifier

#26

20110001565

2011-01-06

High-speed, multi-stage class AB amplifiers

#27

20100295620

2010-11-25

High-speed, multi-stage class AB amplifiers

#28

20100291881

2010-11-18

Push-pull low-noise amplifier with area-efficient implementation

#29

20090153247

2009-06-18

High-speed, multi-stage class AB amplifiers

#30

20080278234

2008-11-13

Output stage

#31

20080150858

2008-06-26

Display driver circuit

#32

20080088616

2008-04-17

Buffer amplifier, driver IC and display apparatus using that driver IC

#33

20070164974

2007-07-19

Output buffer with improved output deviation and source driver for flat panel display having the output buffer

#34

20070069771

2007-03-29

MOSFET transistor amplifier with controlled output current

#35

20070030074

2007-02-08

Zero cancellation in multiloop regulator control scheme

#36

20060279360

2006-12-14

Distributed amplifier

#37

20060214719

2006-09-28

Signal conversion circuit

#38

20060186932

2006-08-24

Analog buffers composed of thin film transistors

#39

20060125522

2006-06-15

Output stage, amplifier control loop and use of the output stage

#40

16528075

2020-11-17

Demodulator/detector for digital isolators

#41

16296157

2020-12-08

High voltage compatible push-pull buffer circuit

#42

14614253

2017-01-24

Low power buffer with dynamic gain control