ClassID:

220105

H03F2203/45601 - 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 IC comprising one or more passive resistors by feedback

Recent Application in this class:
#1
20250158584
2025-05-15

High-performance audio amplifier

#2
20230361736
2023-11-09

TRANSCONDUCTANCE TUNING IN PHOTON COUNTING

#3
20230163736
2023-05-25

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

#4
20220321064
2022-10-06

High-linearity amplifier

#5
20220249006
2022-08-11

Systems and methods for performing electrophysiology (EP) signal processing

#6
20220240829
2022-08-04

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

#7
20220140795
2022-05-05

Transimpedance amplifiers with adjustable input range

#8
20220110574
2022-04-14

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

#9
20210376742
2021-12-02

Flyback converter with fast load transient detection

#10
20210152134
2021-05-20

High-linearity amplifier

#11
20210112014
2021-04-15

Apparatus for processing biomedical signals for display

#12
20210091734
2021-03-25

Transimpedance amplifiers with adjustable input range

#13
20210044533
2021-02-11

Systems and methods for performing electrophysiology (EP) signal processing

#14
20210041490
2021-02-11

Handheld electrical bonding test system

#15
20210029053
2021-01-28

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

#16
20200267089
2020-08-20

Apparatus for processing biomedical signals for display

#17
20200241063
2020-07-30

Delta-difference amplifier circuit for restraint control module

#18
20200127931
2020-04-23

Apparatus and methods for removing a large- signal voltage offset from a biomedical signal

#19
20200059200
2020-02-20

Amplifier offset cancellation using amplifier supply voltage

#20
20200054287
2020-02-20

Systems and methods for signal acquisition and visualization

#21
20200022591
2020-01-23

Systems and methods for performing electrophysiology (EP) signal processing

#22
20200015687
2020-01-16

Systems and methods for performing electrophysiology (EP) signal processing

#23
20190365250
2019-12-05

Systems and methods to display cardiac signals based on a signal pattern

#24
20190349310
2019-11-14

Systems and methods to visually align signals using delay

#25
20190348975
2019-11-14

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

#26
20190343414
2019-11-14

Systems, apparatus, and methods for conveying biomedical signals between a patient and monitoring and treatment devices

#27
20190235544
2019-08-01

Voltage-current conversion circuit

#28
20190131935
2019-05-02

Circuit having high-pass filter with variable corner frequency

#29
20190115876
2019-04-18

Power amplifier with nulling monitor circuit

#30
20180342996
2018-11-29

SEMICONDUCTOR INTEGRATED CIRCUIT, VARIABLE GAIN AMPLIFIER, AND SENSING SYSTEM

#31
20180309415
2018-10-25

Amplifier circuit having poly resistor with biased depletion region

#32
20180097492
2018-04-05

Semiconductor integrated circuit, variable gain amplifier, and sensing system

#33
20170170795
2017-06-15

Differential amplifier with common mode compensation circuit

#34
20160197585
2016-07-07

Amplifier

#35
20160142016
2016-05-19

Operational amplifier based circuit with compensation circuit block used for stability compensation

#36
20160099695
2016-04-07

Semiconductor integrated circuit, variable gain amplifier, and sensing system

#37
20150372652
2015-12-24

Multistage amplifier

#38
20150357980
2015-12-10

Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier

#39
20140347130
2014-11-27

Semiconductor integrated circuit device and high-frequency power amplifier module

#40
20130187715
2013-07-25

Amplifier

#41
20130187710
2013-07-25

Amplifier circuit

#42
20100045379
2010-02-25

Amplifier and the method thereof

#43
20090167439
2009-07-02

Amplifier and the method thereof

#44
20080018405
2008-01-24

Ultra wide band, differential input/output, high frequency amplifier in an integrated circuit

#45
20070194846
2007-08-23

Multiplier-transimpedance amplifier combination with input common mode feedback

#46
20070170974
2007-07-26

Amplifier feedback switch configuration with improved PSRR

#47
20050179497
2005-08-18

Layout technique for matched resistors on an integrated circuit substrate

#48
20050179491
2005-08-18

System and method for a startup circuit for a differential CMOS amplifier

#49
20050040891
2005-02-24

System and method for a programmable gain amplifier