ClassID:

219453

H03F3/45748 - CPC Classification

Classification description:

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using a feedback circuit

Recent Application in this class:
#1
20260121602
2026-04-30

INDEPENDENT CONTROL LOOPS FOR MITIGATING POSITIVE AND NEGATIVE MISMATCHES IN DIFFERENTIAL AMPLIFIERS

#2
20260066860
2026-03-05

Common-Mode Control of Preamplifier Circuit

#3
20250300617
2025-09-25

VOLTAGE REGULATOR WITH SKEWED CURRENT MIRROR

#4
20250038719
2025-01-30

INDEPENDENT CONTROL LOOPS TO MINIMIZE POSITIVE AND NEGATIVE MISMATCH IN DIFFERENTIAL AMPLIFIERS

#5
20240348220
2024-10-17

AMPLIFIER CIRCUIT WITH DYNAMIC OUTPUT SLOPE COMPENSATION FOR DRIVING LARGE CAPACITIVE LOADS

#6
20240291453
2024-08-29

HIGH GAIN, LOW-OFFSET, CLASS AB AMPLIFIER CIRCUIT

#7
20240223144
2024-07-04

TWO-STAGE COMMON-MODE FEEDBACK CIRCUIT AND FULLY DIFFERENTIAL OPERATIONAL AMPLIFIER INCLUDING THE SAME

#8
20240219235
2024-07-04

OPTICAL SENSING MODULE, SYSTEM AND METHOD FOR OPERATING OPTICAL SENSING SYSTEM

#9
20230327620
2023-10-12

Transconductance amplifier of high linearity and common-mode rejection

#10
20220065901
2022-03-03

Self-calibrated input voltage-agnostic replica-biased current sensing apparatus

#11
20210006258
2021-01-07

Dynamic common mode control

#12
20200358414
2020-11-12

Operational amplifier and chip

#13
20200343870
2020-10-29

Gain stage with offset cancellation circuit for a fixed high-pass pole

#14
20190097593
2019-03-28

Offset cancellation scheme

#15
20180294784
2018-10-11

Amplifier and semiconductor apparatus using the same

#16
20180287576
2018-10-04

Transconductance amplifier

#17
20180091107
2018-03-29

Variable gain amplifier, correction method and receiving device

#18
20170302238
2017-10-19

DC offset cancellation circuit

#19
20170040949
2017-02-09

Operational amplifier circuit and bias current supply method

#20
20160173045
2016-06-16

Current sense amplifer with extended common mode input voltage range

#21
20160173037
2016-06-16

Trimming method for current sense amplifiers

#22
20160006395
2016-01-07

Buffer amplifier and trans-impedance amplifier including the same

#23
20150341004
2015-11-26

Differential amplification circuit

#24
20150171885
2015-06-18

Offset compensation circuit and method thereof

#25
20130342274
2013-12-26

DC-coupled peak detector

#26
20130136213
2013-05-30

Reception signal processing device

#27
20090224805
2009-09-10

Electronic circuit with compensation of intrinsic offset of differential pairs

#28
20090096523
2009-04-16

Differential amplification circuit

#29
20090079502
2009-03-26

Differential circuit providing a function to cancel input offset voltage

#30
20090079499
2009-03-26

Differential Low Noise Amplifier (LNA) With Common Mode Feedback And Gain Control

#31
20080290940
2008-11-27

Differential low noise amplifier (LNA) with common mode feedback and gain control

#32
20080238547
2008-10-02

Offset canceling circuit and offset canceling method

#33
20080204138
2008-08-28

Fully differential amplifier with continuous-time offset reduction

#34
20080197928
2008-08-21

Threshold voltage compensation for a two stage amplifier

#35
20080143439
2008-06-19

Fully-differential amplifier

#36
20070236289
2007-10-11

Differential amplifier, digital-to-analog converter and display device

#37
20070052451
2007-03-08

DIFFERENTIAL INVERTER CIRCUIT

#38
20070008035
2007-01-11

Wide-band high-gain limiting amplifier with parallel resistor-transistor source loads

#39
20060232335
2006-10-19

Method for single-ended offset compensation of an operational amplifier

#40
20060186953
2006-08-24

Circuit and method for compensating for offset voltage

#41
20060125533
2006-06-15

Low voltage differential signal driver circuit and method for controlling the same

#42
20050218986
2005-10-06

Differential amplifiers and methods of using same

#43
20050195033
2005-09-08

Differential amplifier circuit used in solid-state image pickup apparatus, and arrangement that avoids influence of variations of integrated circuits in manufacture and the like

#44
20050185710
2005-08-25

Adaptive equalizer with DC offset compensation

#45
20050174174
2005-08-11

OP-amplifier with an offset voltage cancellation circuit

#46
20050168860
2005-08-04

Integrated bias and offset recovery amplifier

#47
20050168276
2005-08-04

Method for lowering noise and providing offset correction in a transimpedance amplifier

#48
20050162221
2005-07-28

Amplifier apparatus for use with a sensor

#49
20050140442
2005-06-30

Offset-compensated self-biased differential amplifier

#50
20050012526
2005-01-20

Differential inverter circuit

#51
16458897
2020-08-04

Dynamic common mode control