ClassID:

219976

H03F2203/45342 - 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 control means on a back gate of the AAC

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

Biased amplifier

#2
20210288624
2021-09-16

Biased amplifier

#3
20200244229
2020-07-30

Differential amplifier circuit

#4
20200204129
2020-06-25

Biased amplifier

#5
20190267946
2019-08-29

Method and apparatus for using back gate biasing for power amplifiers for millimeter wave devices

#6
20190260334
2019-08-22

Operational amplifier circuit capable of improving linearity relation between loading current and input voltage difference

#7
20190229683
2019-07-25

Methods of adjusting gain error in instrumentation amplifiers

#8
20190115885
2019-04-18

Biased amplifier

#9
20190052230
2019-02-14

Differential amplifier circuit

#10
20180337642
2018-11-22

Operational amplifier circuit capable of improving linearity relation between loading current and input voltage difference

#11
20180323748
2018-11-08

Methods of adjusting gain error in instrumentation amplifiers

#12
20180302038
2018-10-18

Power amplifier ramping and power control with forward and reverse back-gate bias

#13
20170230005
2017-08-10

Ultra-low working voltage rail-to-rail operational amplifier, and differential input amplification-stage circuit and output-stage circuit thereof

#14
20160373077
2016-12-22

Operational amplifier circuit

#15
20110163813
2011-07-07

Amplifier circuit

#16
20110057727
2011-03-10

Adaptive common mode bias for differential amplifier input circuits

#17
20110001561
2011-01-06

Semiconductor differential amplifier

#18
20100329157
2010-12-30

Even-Order Harmonics Calibration

#19
20100225398
2010-09-09

Multi-path, multi-oxide-thickness amplifier circuit

#20
20090267694
2009-10-29

Apparatus for receiving input and bias signals at common node

#21
20090243691
2009-10-01

Signal output circuit

#22
20090206931
2009-08-20

Differential amplifier and applications thereof

#23
20090189671
2009-07-30

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

#24
20090051433
2009-02-26

Differential sensing with high common mode rejection

#25
20090027107
2009-01-29

Semiconductor device and offset voltage adjusting method

#26
20090009247
2009-01-08

Differential amplifier and sampling and holding circuit

#27
20080315950
2008-12-25

Integrated Circuit Amplifiers Having Switch Circuits Therein that Provide Reduced 1/f Noise

#28
20080277731
2008-11-13

Body bias to facilitate transistor matching

#29
20080238554
2008-10-02

Serial link output stage differential amplifier and method

#30
20080218254
2008-09-11

Reduced jitter amplification methods and apparatuses

#31
20080204137
2008-08-28

Design structure for a serial link output stage differential amplifier

#32
20080143434
2008-06-19

Transconductor

#33
20080088373
2008-04-17

Differential amplifier using body-source cross coupling

#34
20080074190
2008-03-27

Scheme for improving settling behavior of gain boosted fully differential operational amplifier

#35
20080068084
2008-03-20

Serial link output stage differential amplifier and method

#36
20080061878
2008-03-13

Differential amplifier and sampling and holding circuit

#37
20080042749
2008-02-21

Silicon-on-insulator differential amplifier circuit

#38
20070247227
2007-10-25

Circuit and method for driving bulk capacitance of amplifier input transistors

#39
20070194849
2007-08-23

Method for nullifying temperature dependence and circuit therefor

#40
20070159249
2007-07-12

Differential amplifier and display device using the same

#41
20070096830
2007-05-03

Wideband circuits and methods

#42
20070096815
2007-05-03

Analog preamplifier calibration

#43
20070090877
2007-04-26

Wideband circuits and methods

#44
20060164166
2006-07-27

Silicon-on-insulator differential amplifier circuit

#45
20050275463
2005-12-15

Low voltage differential amplifier circuit and bias control technique enabling accommodation of an increased range of input levels