ClassID:

220059

H03F2203/45508 - 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 CSC comprising a voltage generating circuit as bias circuit for the CSC

Recent Application in this class:
#1
20220263480
2022-08-18

Operational amplifier using single-stage amplifier with slew-rate enhancement and associated method

#2
20220014160
2022-01-13

Lower-skew receiver circuit with RF immunity for controller area network (CAN)

#3
20210376805
2021-12-02

Adjustable capacitors to improve linearity of low noise amplifier

#4
20210250005
2021-08-12

Differential amplifier

#5
20210111680
2021-04-15

Interpolation operational amplifier circuit and display panel

#6
20210075386
2021-03-11

Operational amplifier using single-stage amplifier with slew-rate enhancement and associated method

#7
20200350879
2020-11-05

Lower-skew receiver circuit with RF immunity for controller area network (CAN)

#8
20190361475
2019-11-28

Attenuating common mode noise current in current mirror circuits

#9
20180069514
2018-03-08

Low voltage high speed CMOS line driver without tail current source

#10
20160344355
2016-11-24

Amplifier circuit and method for adaptive amplifier biasing

#11
20150349734
2015-12-03

Differential amplifier with high-speed common mode feedback

#12
20150122035
2015-05-07

Detection device, sensor, electronic apparatus, and moving object

#13
20150122034
2015-05-07

Detection device, sensor, electronic apparatus, and moving object

#14
20150015333
2015-01-15

Differential measurements with a large common mode input voltage

#15
20140375385
2014-12-25

Differential amplifier circuit

#16
20140152386
2014-06-05

Error amplifier having cascode current source using body biasing

#17
20140028394
2014-01-30

Current mode logic circuit and method

#18
20130069728
2013-03-21

Automatic bias operational amplifying circuit and system

#19
20120194273
2012-08-02

Differential receiver

#20
20120112840
2012-05-10

Semiconductor integrated circuit device

#21
20120001696
2012-01-05

Semiconductor integrated circuit device

#22
20110204981
2011-08-25

Bias circuit and amplifier providing constant output current for a range of common mode inputs

#23
20110156816
2011-06-30

Biasing circuit for differential amplifier

#24
20110084763
2011-04-14

Db-linear process-independent variable gain amplifier

#25
20110050343
2011-03-03

Bias circuit and amplifier providing constant output current for a range of common mode inputs

#26
20100327919
2010-12-30

DIFFERENTIAL AMPLIFIER CIRCUIT

#27
20100253430
2010-10-07

Constant gain control for multistage amplifiers

#28
20100244964
2010-09-30

Semiconductor integrated circuit device

#29
20100194477
2010-08-05

OP-amp circuit

#30
20100188155
2010-07-29

Closed loop ramp up for pop and click reduction in an amplifier

#31
20100109781
2010-05-06

Semiconductor integrated circuit device

#32
20090184766
2009-07-23

Low-voltage wide-range linear transconductor cell

#33
20090153233
2009-06-18

Bias circuit

#34
20090115521
2009-05-07

High CMR amplifier topology

#35
20080258816
2008-10-23

Low frequency analog circuit and design method thereof

#36
20080252374
2008-10-16

Amplifier and system utilizing the same

#37
20080079492
2008-04-03

Differential amplifier

#38
20080061847
2008-03-13

Driver circuit and method of controlling the same

#39
20070247226
2007-10-25

Circuit for correcting signal distortions

#40
20070216483
2007-09-20

Differential amplifier stage

#41
20070152752
2007-07-05

Bias circuit

#42
20070120602
2007-05-31

Variable gain power amplifier

#43
20070096818
2007-05-03

Variable-gain amplifier and related method

#44
20070057727
2007-03-15

Differential operational amplifier

#45
20070024367
2007-02-01

Operational amplifier and constant-current generation circuit using the same

#46
20070001760
2007-01-04

Buffer amplifier

#47
20070001717
2007-01-04

Driver circuit

#48
20060226910
2006-10-12

Bias circuit for a wideband amplifier driven with low voltage

#49
20060139088
2006-06-29

Biasing scheme for low supply headroom applications

#50
20050285678
2005-12-29

Differential amplifier with adaptive biasing and offset cancellation

#51
20050218983
2005-10-06

Differential amplifier

#52
20050162198
2005-07-28

Operational amplifier including low DC gain wideband feed forward circuit and high DC gain narrowband gain circuit

#53
20050146364
2005-07-07

Charge pump including a feedback device for use in a phase-locked loop

#54
20050140423
2005-06-30

CMOS exponential function generating circuit with temperature compensation technique

#55
20050110569
2005-05-26

Digitally controlled transconductance cell

#56
20050052238
2005-03-10

Differential amplifier circuit

#57
20050046471
2005-03-03

Biasing scheme for low supply headroom applications