ClassID:

219757

H03F2203/30015 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor An input signal dependent control signal controls the bias of an output stage in the SEPP

Recent Application in this class:
#1
20160373062
2016-12-22

Class AB amplifier

#2
20160308501
2016-10-20

Electronic device for a radiofrequency signal reception chain, comprising a low-noise transimpedance amplifier stage

#3
20160285454
2016-09-29

Drive for cascode stack of power FETs

#4
20160112010
2016-04-21

Low noise amplifier and chip

#5
20160072446
2016-03-10

Operational amplifying circuit and semiconductor device comprising the same

#6
20160065142
2016-03-03

Parallel combined output linear amplifier and operating method thereof

#7
20160028355
2016-01-28

Dynamic current source for amplifier integrator stages

#8
20130082676
2013-04-04

Fast-settling precision voltage follower circuit and method

#9
20130064398
2013-03-14

Class-AB/B amplifier with quiescent control circuit

#10
20130063214
2013-03-14

Quiescent control circuit for providing control current for an amplifier

#11
20120092070
2012-04-19

Acoustic pseudo-triode characteristic amplification device and acoustic pseudo-triode characteristic push-pull amplification device

#12
20120056672
2012-03-08

Class-AB/B amplifier and quiescent control circuit for implementation with same

#13
20110018638
2011-01-27

Split-biased current scalable buffer

#14
20100289582
2010-11-18

Fully-differential amplifier circuit

#15
20100164630
2010-07-01

Adaptive signal-feed-forward circuit and method for reducing amplifier power without signal distortion

#16
20100141345
2010-06-10

Amplifier system with dynamically-adjusted supply voltage

#17
20100134187
2010-06-03

Methods and apparatus to reduce idle current in power amplifiers

#18
20100098268
2010-04-22

HIGH-VOLTAGE OUTPUT AMPLIFIER FOR AUDIO SYSTEMS

#19
20100013558
2010-01-21

Driving circuit capable of enhancing response speed and related method

#20
20100001800
2010-01-07

Bootstrapped class AB CMOS output stage

#21
20090322420
2009-12-31

Feedback biasing technique for a stage of an amplifier that uses a feedback control loop having low gain

#22
20090251217
2009-10-08

Amplifier design with biasing and power control aspects

#23
20090224830
2009-09-10

Two-stage operational amplifier with class AB output stage

#24
20090219095
2009-09-03

Operational transconductance amplifier (OTA)

#25
20090212828
2009-08-27

Load driving circuit

#26
20090206934
2009-08-20

Amplifier auto biasing

#27
20090179706
2009-07-16

Capacitor gain-boost circuit

#28
20090153248
2009-06-18

Amplifier with dynamic bias

#29
20090146738
2009-06-11

Operational amplifier

#30
20090115527
2009-05-07

Output stage circuit and operational amplifier thereof

#31
20090115465
2009-05-07

LOW POWER, HIGH SLEW RATE CCD DRIVER

#32
20090066415
2009-03-12

Operational amplifier having high slew rate and stability, and operating method thereof

#33
20090051431
2009-02-26

High-swing operational amplifier output stage using adaptive biasing

#34
20090039961
2009-02-12

Low quiescent current output stage and method with improved output drive

#35
20090033423
2009-02-05

Output buffer and power amplifier comprising thereof

#36
20090027122
2009-01-29

Compact low-power class AB amplifier

#37
20090021284
2009-01-22

Low voltage differential signal receiver

#38
20080290945
2008-11-27

Class AB output stage and method for providing wide supply voltage range

#39
20080272846
2008-11-06

Adaptive biasing input stage and amplifiers including the same

#40
20080272845
2008-11-06

Operational transconductance amplifier (OTA)

#41
20080265990
2008-10-30

Semiconductor circuit

#42
20080252375
2008-10-16

Voltage-clamping device and operational amplifier and design method thereof

#43
20080224777
2008-09-18

Rail-to-rail amplifier circuit and semiconductor device

#44
20080191804
2008-08-14

Two-stage operational amplifier with class AB output stage

#45
20080180174
2008-07-31

Output buffer with a controlled slew rate offset and source driver including the same

#46
20080036538
2008-02-14

RAIL-TO-RAIL CLASS AB AMPLIFIER

#47
20070242146
2007-10-18

Apparatus and methods providing dynamic biasing of cascode transistors in class AB amplifiers

#48
20070170988
2007-07-26

Automatic power output control circuit

#49
20070132699
2007-06-14

Output buffer for reducing EMI, source driver including the same, and display device including the same

#50
20070115056
2007-05-24

Operational amplifier and scanning electron microscope using the same

#51
20070096819
2007-05-03

CMOS amplifier

#52
20070052451
2007-03-08

DIFFERENTIAL INVERTER CIRCUIT

#53
20060114061
2006-06-01

Class AB CMOS output circuit equipped with CMOS circuit operating by predetermined operating current

#54
20050270102
2005-12-08

Power amplifying apparatus

#55
20050206451
2005-09-22

Input amplifier stage in the AB class having a controlled bias current

#56
20050030097
2005-02-10

Zero voltage class AB minimal delay output stage and method

#57
20050012526
2005-01-20

Differential inverter circuit