ClassID:

220067

H03F2203/45524 - 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 FBC comprising one or more active resistors and being coupled between the LC and the IC

Recent Application in this class:
#1
20250073450
2025-03-06

Common Mode Interference Suppression In An Amplifier Circuit For A Neuromodulation Device

#2
20210313939
2021-10-07

Amplifier with built in time gain compensation for ultrasound applications

#3
20200403578
2020-12-24

Amplifier configurable into multiple modes

#4
20200266815
2020-08-20

Controlled active resistance

#5
20200259466
2020-08-13

Amplifier

#6
20200235705
2020-07-23

Reconfigurable optical receivers for extended maximum input signals

#7
20200186098
2020-06-11

Transimpedance amplifiers with feedforward current

#8
20200083846
2020-03-12

Reconfigurable optical receivers for extended maximum input signals

#9
20190280656
2019-09-12

Amplifier

#10
20190277936
2019-09-12

Multi-channel detecting system

#11
20190253024
2019-08-15

Flame scanner having non-linear amplifier with temperature compensation

#12
20190205729
2019-07-04

Programmable neuron for analog non-volatile memory in deep learning artificial neural network

#13
20190155323
2019-05-23

Reference voltage generating circuit method of generating reference voltage and integrated circuit including the same

#14
20190149110
2019-05-16

Amplifier with built in time gain compensation for ultrasound applications

#15
20190149109
2019-05-16

Single-ended trans-impedance amplifier (TIA) for ultrasound device

#16
20190131462
2019-05-02

Pseudo-resistor structure, a closed-loop operational amplifier circuit and a bio-potential sensor

#17
20180367111
2018-12-20

Amplifier with built in time gain compensation for ultrasound applications

#18
20180367110
2018-12-20

Single-ended trans-impedance amplifier (TIA) for ultrasound device

#19
20180309415
2018-10-25

Amplifier circuit having poly resistor with biased depletion region

#20
20180234081
2018-08-16

Pseudo resistor with tunable resistance

#21
20180219518
2018-08-02

Power supplying apparatus for neural activity recorder reducing common-mode signal applied to electrodes connected to the neural activity recorder

#22
20180191312
2018-07-05

Amplifier

#23
20180102404
2018-04-12

Impedance circuit with poly-resistor

#24
20150171805
2015-06-18

Offset correction apparatus for differential amplifier and method thereof

#25
20130049857
2013-02-28

High gain amplifier method using low-valued resistances

#26
20120293250
2012-11-22

Amplifier

#27
20110140785
2011-06-16

CMOS amplifier with integrated tunable band-pass function

#28
20110133837
2011-06-09

VARIABLE GAIN AMPLIFIER

#29
20110080220
2011-04-07

Temperature compensated integrator

#30
20100171554
2010-07-08

Offset cancellation for DC isolated nodes

#31
20090284315
2009-11-19

Operational amplifier

#32
20090219129
2009-09-03

Arrangement and method for temperature compensation for resistance

#33
20090033483
2009-02-05

Amplifier for multi-use of single environmental sensor

#34
20080258816
2008-10-23

Low frequency analog circuit and design method thereof

#35
20080232610
2008-09-25

Audio Amplifier with Reduced Noises

#36
20080094110
2008-04-24

Transconductor Circuits

#37
20080055005
2008-03-06

Feedback-type variable gain amplifier and method of controlling the same

#38
20070273411
2007-11-29

Amplifier with pulse coded output and remote signal reconstruction from the pulse output

#39
20070126501
2007-06-07

Variable gain amplifier and variable gain amplifier module

#40
20060251428
2006-11-09

Method and system for converting an optical received pulse train into an electrical output pulse train

#41
20050156667
2005-07-21

Differential amplifier

#42
15984669
2019-01-01

Adaptive amplification active filter for divider-less high frequency DC-DC converters