ClassID:

219862

H03F2203/45114 - 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 differential amplifier contains another differential amplifier in its feedback circuit

Recent Application in this class:
#1
20260121601
2026-04-30

AMPLIFIER AND OSCILLOSCOPE

#2
20220376660
2022-11-24

ELECTRICAL CIRCUIT

#3
20220103127
2022-03-31

Precision high frequency phase adders

#4
20210194446
2021-06-24

Operational transconductance amplifier and a method for converting a differential input voltage to a differential output current

#5
20200412584
2020-12-31

Systems and methods for communicating high speed signals in a communication device

#6
20200366243
2020-11-19

Precision High Frequency Phase Adders

#7
20200266781
2020-08-20

AMPLIFIER CIRCUIT, CORRESPONDING SYSTEM, VEHICLE AND METHOD

#8
20200153399
2020-05-14

Auto zero offset current mitigation at an integrator input

#9
20190363675
2019-11-28

Precision high frequency phase adders

#10
20190348958
2019-11-14

Low-voltage differential signaling (LVDS) receiver circuit and a method of operating the LVDS receiver circuit

#11
20190312558
2019-10-10

AMPLIFIER CIRCUIT AND OPTICAL TRANSCEIVER

#12
20190115876
2019-04-18

Power amplifier with nulling monitor circuit

#13
20190027229
2019-01-24

Correlated double sampling integrating circuit

#14
20180358941
2018-12-13

Capacitive loading mode measurement circuit with compensation of measurement errors due to parasitic sensor impedances

#15
20180269836
2018-09-20

Precision high frequency phase adders

#16
20180248520
2018-08-30

Circuit system

#17
20180131342
2018-05-10

Transmipedance amplifier circuit, related integrated circuit, receiver circuit and method of operating a transimpedance amplifier circuit

#18
20180109232
2018-04-19

Amplifier device

#19
20170230005
2017-08-10

Ultra-low working voltage rail-to-rail operational amplifier, and differential input amplification-stage circuit and output-stage circuit thereof

#20
20160352298
2016-12-01

Variable gain amplifier circuit, controller of main amplifier and associated control method

#21
20160294336
2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

#22
20160182095
2016-06-23

Low-impedance reference voltage generator

#23
20160079943
2016-03-17

Two differential amplifier configuration

#24
20150311871
2015-10-29

Receiver circuit

#25
20150229274
2015-08-13

Fully differential signal system including common mode feedback circuit

#26
20150002221
2015-01-01

Instrumentation amplifier and signal amplification method

#27
20080048778
2008-02-28

Amplifier with common-mode feedback circuit

#28
20080024212
2008-01-31

Amplifier circuit

#29
20070222510
2007-09-27

System and method for operating a feedback network

#30
20060091947
2006-05-04

Amplifier circuit

#31
13940261
2015-01-06

Trans-capacitance amplifier with picoAmperes input biasing and large output swing