ClassID:

219982

H03F2203/45354 - 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 differential amplifiers the AAC comprising offset means

Recent Application in this class:
#1
20230275550
2023-08-31

Biased amplifier

#2
20210288624
2021-09-16

Biased amplifier

#3
20200302977
2020-09-24

Input buffer circuit having differential amplifier

#4
20200266787
2020-08-20

Amplifier, and receiving circuit, semiconductor apparatus and semiconductor system including the amplifier

#5
20200204129
2020-06-25

Biased amplifier

#6
20200204125
2020-06-25

Amplifier with low drift biasing

#7
20200127623
2020-04-23

Auto-zero technique for opamps with a source-follower output stage based on replica referencing

#8
20200043435
2020-02-06

Half-power buffer amplifier, data driver and display apparatus including the same

#9
20200014348
2020-01-09

Differential amplifier circuit

#10
20190363686
2019-11-28

Differential amplifier, corresponding integrated circuit, system, instrumentation amplifier and method

#11
20190363678
2019-11-28

Amplifier circuitry, voltage regulator circuit, and signal compensation method

#12
20190115885
2019-04-18

Biased amplifier

#13
20190097593
2019-03-28

Offset cancellation scheme

#14
20150130538
2015-05-14

Differential amplifier circuit

#15
20130082778
2013-04-04

Differential amplifier

#16
20120154048
2012-06-21

Amplifier common-mode control methods

#17
20120133430
2012-05-31

Offset cancellation for audio amplifier

#18
20120126896
2012-05-24

Offset cancellation for continuous-time circuits

#19
20110163813
2011-07-07

Amplifier circuit

#20
20110115561
2011-05-19

Output common mode voltage stabilizer over large common mode input range in a high speed differential amplifier

#21
20110001561
2011-01-06

Semiconductor differential amplifier

#22
20100225398
2010-09-09

Multi-path, multi-oxide-thickness amplifier circuit

#23
20100073064
2010-03-25

Voltage clamp

#24
20090251214
2009-10-08

Rail-to-rail operational amplifier

#25
20090232248
2009-09-17

DATA RECEIVING DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING SUCH DATA RECEIVING DEVICE

#26
20090206806
2009-08-20

Voltage comparison circuit, and semiconductor integrated circuit and electronic device having the same

#27
20090189671
2009-07-30

Method and Apparatus for Improvement of Matching FET Currents Using a Digital to Analog Converter

#28
20090079499
2009-03-26

Differential Low Noise Amplifier (LNA) With Common Mode Feedback And Gain Control

#29
20090033370
2009-02-05

Comparator with low supply current spike and input offset cancellation

#30
20090009247
2009-01-08

Differential amplifier and sampling and holding circuit

#31
20080303577
2008-12-11

Arrangement for canceling offset of driver amplifier circuitry

#32
20080290940
2008-11-27

Differential low noise amplifier (LNA) with common mode feedback and gain control

#33
20080238539
2008-10-02

Arrangement for canceling offset of an operational amplifier

#34
20080231365
2008-09-25

Operational amplifier

#35
20080231363
2008-09-25

Temperature compensation of small signal gain of an amplifier stage

#36
20080180173
2008-07-31

Differential signal comparator

#37
20080106335
2008-05-08

Differential circuit

#38
20080077347
2008-03-27

Offset compensation for rail-to-rail avereraging circuit

#39
20080061878
2008-03-13

Differential amplifier and sampling and holding circuit

#40
20080061847
2008-03-13

Driver circuit and method of controlling the same

#41
20080061840
2008-03-13

Receiver circuit having compensated offset voltage

#42
20080061745
2008-03-13

Differential amplifier circuit and electric charge control apparatus using differential amplifier circuit

#43
20080048736
2008-02-28

Differential circuit and output buffer circuit including the same

#44
20070222516
2007-09-27

Differential amplifier and methods for use therewith

#45
20070188231
2007-08-16

Multi-path common mode feedback for high speed multi-stage amplifiers

#46
20070159249
2007-07-12

Differential amplifier and display device using the same

#47
20070153945
2007-07-05

DC offset correction for high gain complex filter

#48
20070109173
2007-05-17

Resistor ladder interpolation for subranging ADC

#49
20070096830
2007-05-03

Wideband circuits and methods

#50
20070090877
2007-04-26

Wideband circuits and methods

#51
20060132239
2006-06-22

Input tracking current mirror for a differential amplifier system

#52
20050162299
2005-07-28

Resistor ladder interpolation for subranging ADC

#53
20050030773
2005-02-10

Voltage-current converter with adjustable quiescent current

#54
16445739
2020-08-18

Current trimming system, method, and apparatus