ClassID:

219473

H03F3/45937 - 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 using IC blocks as the active amplifying circuit by using feedback means Measuring at the loading circuit of the differential amplifier

Recent Application in this class:
#1
20260106589
2026-04-16

Zero Ohm Output Impedance

#2
20240356510
2024-10-24

CURRENT SENSOR WITH INPUT COMMON MODE VOLTAGE REDUCTION OR RE-REGISTRATION

#3
20240007121
2024-01-04

Device and method for reconfigurable common-mode feedback control in a receiver front end

#4
20230184813
2023-06-15

Current sense circuit including a controllable current mirror and a biasing circuit

#5
20200266784
2020-08-20

Bidirectional leakage compensation circuits for use in integrated circuits and method therefor

#6
20190293691
2019-09-26

Calibration of current sense amplifier with common-mode rejection

#7
20180309413
2018-10-25

Correcting for non-linearity in an amplifier providing a differential output

#8
20170141732
2017-05-18

Current sense amplifier with enhanced common mode input range

#9
20170138990
2017-05-18

Current sense amplifier with common mode rejection

#10
20140153746
2014-06-05

Microphone preamplifier circuit

#11
20130241653
2013-09-19

Instrumentation input systems

#12
20130141057
2013-06-06

Current source with active common mode rejection

#13
20120206197
2012-08-16

Differential amplifying apparatus

#14
20120182071
2012-07-19

Operational amplifier circuit

#15
20120086513
2012-04-12

Instrumentation input systems

#16
20120002770
2012-01-05

Second-order distortion correcting receiver and second-order distortion correcting method

#17
20110074505
2011-03-31

Offset voltage calibration method and apparatus and amplifier thereof

#18
20100007419
2010-01-14

Instrumentation input systems

#19
20050116761
2005-06-02

Clamping circuit

#20
20050116760
2005-06-02

Enhancing SNR and throughput performance of integrated circuits

#21
20050088228
2005-04-28

Common mode feedback amplifier