ClassID:

219916

H03F2203/45222 - 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 differential amplifier output being directly controlled by a feedback or feedforward circuit coupled at the output of the dif amp

Recent Application in this class:
#1
20230163736
2023-05-25

SELF-BIAS SIGNAL GENERATING CIRCUIT USING DIFFERENTIAL SIGNAL AND RECEIVER INCLUDING THE SAME

#2
20220278661
2022-09-01

Operational amplifier

#3
20200366260
2020-11-19

Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff

#4
20200106649
2020-04-02

Two-step feed-forward equalizer for voltage-mode transmitter architecture

#5
20190229689
2019-07-25

Method and system for a feedback transimpedence amplifier with sub-40KHZ low-frequency cutoff

#6
20180109232
2018-04-19

Amplifier device

#7
20180024170
2018-01-25

Signal detector, electronic device, and method for controlling signal detector

#8
20170373654
2017-12-28

System and method for a multistage operational amplifier

#9
20170338782
2017-11-23

Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff

#10
20170279425
2017-09-28

System and method for signal amplification using a resistance network

#11
20160373078
2016-12-22

Method and system for a feedback transimpedance amplifier with sub-40KHZ low-frequency cutoff

#12
20160336907
2016-11-17

High gain RF power amplifier with negative capacitor

#13
20160276991
2016-09-22

Summing amplifier and method thereof

#14
20160072459
2016-03-10

Differential to single-ended signal conversion

#15
20160065157
2016-03-03

Method and apparatus for gain enhancement of differential amplifier

#16
20150357981
2015-12-10

Transimpedance amplifier

#17
20150295551
2015-10-15

Implicit feed-forward compensated op-amp with split pairs

#18
20150171807
2015-06-18

Differential amplifier

#19
20150028951
2015-01-29

Operational amplifier circuits

#20
20150014518
2015-01-15

High-speed transimpedance amplifier

#21
20140291489
2014-10-02

Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff

#22
20130335145
2013-12-19

High-speed transimpedance amplifier

#23
20120007681
2012-01-12

Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff

#24
20120007677
2012-01-12

Class AB operational amplifier and output stage quiescent current control method

#25
20100039175
2010-02-18

Driving amplifier circuit with digital control and DC offset equalization

#26
20090079503
2009-03-26

Overload recovery circuit for folded cascode amplifiers

#27
20070182615
2007-08-09

Programmable amplitude line driver

#28
15223310
2017-08-08

Flexible signal chain processing circuits and method

#29
14633866
2016-07-19

Dual path double zero continuous time linear equalizer

#30
14477534
2016-01-12

Linear broadband PNP amplifier