ClassID:

219850

H03F2203/45091 - 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 Two complementary type differential amplifiers are paralleled, e.g. one of the p-type and one of the n-type

Recent Application in this class:
#1
20250038661
2025-01-30

SEMICONDUCTOR CIRCUIT DEVICE AND SWITCHING REGULATOR

#2
20240195372
2024-06-13

SEMICONDUCTOR INTEGRATED CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE

#3
20190006998
2019-01-03

Amplifier arrangement and switched capacitor integrator

#4
20170179910
2017-06-22

Wideband amplifier circuits and methods

#5
20160373066
2016-12-22

Differential amplifier circuit

#6
20150015330
2015-01-15

Differential-to-single-end converter

#7
20140375386
2014-12-25

Low-noise amplifier circuit

#8
20140029143
2014-01-30

Receiver having a wide common mode input range

#9
20120038422
2012-02-16

Symmetrically operating single-ended input buffer devices and methods

#10
20110074510
2011-03-31

Symmetrically operating single-ended input buffer devices and methods

#11
20110074507
2011-03-31

Differential amplifier

#12
20100283545
2010-11-11

Multi-path, multi-stage feed-forward operational amplifier circuit

#13
20100225394
2010-09-09

High bandwidth, rail-to-rail differential amplifier with input stage transconductance amplifier

#14
20100225393
2010-09-09

High bandwidth, rail-to-rail differential amplifier with intermediate stage current amplifier

#15
20100225392
2010-09-09

High bandwidth, rail-to-rail differential amplifier with output stage amplifier

#16
20090231039
2009-09-17

Differential amplifier

#17
20090154255
2009-06-18

Symmetrically operating single-ended input buffer devices and methods

#18
20090045876
2009-02-19

Low noise, low power, high linearity differential amplifier with a capacitive input impedance

#19
20090045874
2009-02-19

Differential amplifier and input circuit using the same

#20
20090039959
2009-02-12

Differential amplifier, method for amplifying signals of differential amplifier, and display driving device having differential amplifier

#21
20080303595
2008-12-11

Amplifying circuit

#22
20080290945
2008-11-27

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

#23
20080265993
2008-10-30

Class AB rail-to-rail input and output operational amplifier

#24
20080224777
2008-09-18

Rail-to-rail amplifier circuit and semiconductor device

#25
20080180174
2008-07-31

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

#26
20080180173
2008-07-31

Differential signal comparator

#27
20080174342
2008-07-24

Comparator with complementary differential input stages

#28
20080150636
2008-06-26

Differential amplifier with a plurality of input pairs

#29
20080074405
2008-03-27

Operational amplifier and method of driving liquid crystal display

#30
20080036538
2008-02-14

RAIL-TO-RAIL CLASS AB AMPLIFIER

#31
20070194851
2007-08-23

Apparatus and method for affecting operation of a signal treating device

#32
20070132699
2007-06-14

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