ClassID:

219829

H03F2203/45048 - 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 Calibrating and standardising a dif amp

Recent Application in this class:
#1
20260121584
2026-04-30

METHOD OF OPERATING A DIFFERENTIAL AMPLIFIER ARRANGEMENT, CORRESPONDING DIFFERENTIAL AMPLIFIER, INTEGRATED CIRCUIT AND SYSTEM

#2
20230122151
2023-04-20

CALIBRATION OF FULLY-DIFFERENTIAL INPUT SYSTEM

#3
20220376718
2022-11-24

Transmitter and associated calibration method

#4
20210399702
2021-12-23

Error amplifier device

#5
20210391837
2021-12-16

Voltage gain amplifier architecture for automotive radar

#6
20190288655
2019-09-19

Amplifier circuit arrangement and method to calibrate the same

#7
20190238093
2019-08-01

Amplifier bandwidth calibration of continuous time circuit

#8
20190229683
2019-07-25

Methods of adjusting gain error in instrumentation amplifiers

#9
20190123701
2019-04-25

Amplifier flicker noise and offset mitigating systems and methods

#10
20180323762
2018-11-08

Dynamic correction of gain error in current-feedback instrumentation amplifiers

#11
20180323748
2018-11-08

Methods of adjusting gain error in instrumentation amplifiers

#12
20180287564
2018-10-04

Modulated supply amplifier with adjustable input parameter configuration

#13
20180097491
2018-04-05

Amplifier calibration

#14
20180026596
2018-01-25

Selectable programmable gain or operational amplifier

#15
20170338830
2017-11-23

Amplifier calibration

#16
20170141732
2017-05-18

Current sense amplifier with enhanced common mode input range

#17
20170138990
2017-05-18

Current sense amplifier with common mode rejection

#18
20170047903
2017-02-16

Automatically calibrating operational amplifier (op-amp) systems for mitigating effects of offset voltages

#19
20160344352
2016-11-24

Instrumentation amplifier with digitally programmable input capacitance cancellation

#20
20160226452
2016-08-04

Method and apparatus for use in signal processing

#21
20160094193
2016-03-31

Selectable programmable gain or operational amplifier

#22
20160013769
2016-01-14

Auto correction driving device and wireless charger driving system using the same

#23
20150214911
2015-07-30

Circuitry and methods for common-mode rejection calibration

#24
20150192642
2015-07-09

Compensation technique for amplifiers in a current sensing circuit for a battery

#25
20150116035
2015-04-30

Digital calibration of programmable gain amplifiers

#26
20150054576
2015-02-26

Apparatus and methods for chopper amplifiers

#27
20130187710
2013-07-25

Amplifier circuit

#28
20130187709
2013-07-25

Amplifying circuits and calibration methods therefor

#29
20130154684
2013-06-20

Bias compensation method and system for minimizing process, voltage and temperature corner variations

#30
20120274397
2012-11-01

Method and system for a process sensor to compensate SoC parameters in the presence of IC process manufacturing variations

#31
20120264391
2012-10-18

RF-demodulator, calibration circuitry and methods for calibrating an RF-demodulator

#32
20120139638
2012-06-07

Methods and Circuits for Controlling Amplifier Gain Over Process, Voltage, and Temperature

#33
20120119930
2012-05-17

Background calibration method for fixed gain amplifiers

#34
20120077453
2012-03-29

Reducing non-linearities in a differential receiver path prior to a mixer using calibration

#35
20120044006
2012-02-23

DC OFFSET CALIBRATION APPARATUS, DC OFFSET CALIBRATION SYSTEM, AND METHOD THEREOF

#36
20120032722
2012-02-09

Offset calibration for amplifiers

#37
20110163807
2011-07-07

Impedance matching circuit and method thereof

#38
20110140773
2011-06-16

Circuits and methods for calibrating offset in an amplifier

#39
20110074505
2011-03-31

Offset voltage calibration method and apparatus and amplifier thereof

#40
20100308912
2010-12-09

Amplifying circuit with offset compensation

#41
20100271126
2010-10-28

Matched integrated electronic components

#42
20100103005
2010-04-29

Self auto-calibration of analog circuits in a mixed signal integrated circuit device

#43
20100032671
2010-02-11

Degradation correction for finFET circuits

#44
20090278601
2009-11-12

Preamplifier and method for calibrating offsets therein

#45
20090273395
2009-11-05

Preamplifier and method for calibrating offset voltages therein

#46
20090267693
2009-10-29

Resistor self-trim circuit for increased performance

#47
20090189694
2009-07-30

Differential amplifier with accurate input offset voltage

#48
20090189671
2009-07-30

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

#49
20090167577
2009-07-02

Circuit and method for calibrating direct current offset

#50
20090108936
2009-04-30

Combination trim and CMFB circuit and method for differential amplifiers

#51
20090058525
2009-03-05

Common-mode bandwidth reduction circuit and method for differential applications

#52
20090058524
2009-03-05

Received signal strength indicator self-calibrating gain of limiter

#53
20090027125
2009-01-29

Common mode rejection calibration method for difference amplifiers

#54
20080284507
2008-11-20

Autozeroing current feedback instrumentation amplifier

#55
20080157847
2008-07-03

DC offset calibration apparatus and method for differential signals

#56
20080136503
2008-06-12

Method and system for a process sensor to compensate SOC parameters in the presence of IC process manufacturing variations

#57
20080100373
2008-05-01

Bandwidth calibration of active filter

#58
20080061745
2008-03-13

Differential amplifier circuit and electric charge control apparatus using differential amplifier circuit

#59
20070200619
2007-08-30

Preamplifier circuits and methods of calibrating an offset in the same

#60
20070096815
2007-05-03

Analog preamplifier calibration

#61
20060214827
2006-09-28

Amplifier gain calibration system and method

#62
20060125563
2006-06-15

Method for forming elements with reduced variation

#63
20050248389
2005-11-10

Dynamic gain compensation and calibration

#64
20050073357
2005-04-07

Automatically adjusting low noise amplifier

#65
17108730
2022-02-01

Offset compensated differential amplifier and calibration circuit providing increased linear range and granularity of offset compensation and related method

#66
16274529
2020-03-03

Radio-frequency front end with power amplifier detuning to reduce output degradation

#67
15299527
2018-02-13

Offset calibration circuit and method for an amplifier circuit

#68
14940056
2017-03-28

Amplifier calibration methods and circuits