ClassID:

219864

H03F2203/45118 - 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 At least one reactive element being added to at least one feedback circuit of a dif amp

Recent Application in this class:
#1
20200007089
2020-01-02

Low noise differential amplifier

#2
20190273471
2019-09-05

Low noise differential amplifier

#3
20180123531
2018-05-03

Amplifier circuit with reduced feedforward current

#4
20170099037
2017-04-06

Electronic amplifier with a feedback circuit that includes a transconductance amplifier

#5
20170077311
2017-03-16

Amplifiers including tunable tunnel field effect transistor pseudo resistors and related devices

#6
20160338612
2016-11-24

Amplifiers including tunable tunnel field effect transistor pseudo resistors and related devices

#7
20160285419
2016-09-29

Capacitive trans-impedance amplifier circuit with charge injection compensation

#8
20160276990
2016-09-22

Circuit device, physical-quantity detecting apparatus, electronic apparatus, and moving object

#9
20160173045
2016-06-16

Current sense amplifer with extended common mode input voltage range

#10
20160173037
2016-06-16

Trimming method for current sense amplifiers

#11
20160142017
2016-05-19

Reconfigurable operational amplifier

#12
20160056783
2016-02-25

Resonating device with single operational amplifier

#13
20150341004
2015-11-26

Differential amplification circuit

#14
20150280668
2015-10-01

Capacitive programmable gain amplifier

#15
20150229278
2015-08-13

Chopped operational-amplifier (OP-AMP) system

#16
20150071654
2015-03-12

Current voltage conversion circuit, light receiving apparatus, and light transmission system

#17
20120293263
2012-11-22

Operational amplifier

#18
20110169568
2011-07-14

Operational amplifier

#19
20090289714
2009-11-26

Operational amplifier

#20
20080048778
2008-02-28

Amplifier with common-mode feedback circuit

#21
20070111027
2007-05-17

Light-emitting organic materials

#22
20070080723
2007-04-12

Output buffer circuit

#23
20070024369
2007-02-01

Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection

#24
14731194
2017-05-02

Operational transconductance amplifier of improved linearity