ClassID:

220078

H03F2203/45546 - 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 capacitors feedback coupled to the IC

Recent Application in this class:
#1
20250357905
2025-11-20

Integrated Circuit Amplifier with Gate Tunneling Resistor

#2
20240345125
2024-10-17

SENSING CIRCUIT OF A MICRO-ELECTROMECHANICAL SENSOR

#3
20240061006
2024-02-22

APPLYING A POSITIVE FEEDBACK VOLTAGE TO AN ELECTROMECHANICAL SENSOR UTILIZING A VOLTAGE-TO-VOLTAGE CONVERTER TO FACILITATE A REDUCTION OF CHARGE FLOW IN SUCH SENSOR REPRESENTING SPRING SOFTENING

#4
20230361736
2023-11-09

TRANSCONDUCTANCE TUNING IN PHOTON COUNTING

#5
20230261669
2023-08-17

Motion sensor with sigma-delta analog-to-digital converter having resistive continuous-time digital-to-analog converter feedback for improved bias instability

#6
20220413003
2022-12-29

Applying a positive feedback voltage to an electromechanical sensor utilizing a voltage-to-voltage converter to facilitate a reduction of charge flow in such sensor representing spring softening

#7
20200057087
2020-02-20

Applying a positive feedback voltage to an electromechanical sensor utilizing a voltage-to-voltage converter to facilitate a reduction of charge flow in such sensor representing spring

#8
20190131935
2019-05-02

Circuit having high-pass filter with variable corner frequency

#9
20190131462
2019-05-02

Pseudo-resistor structure, a closed-loop operational amplifier circuit and a bio-potential sensor

#10
20190116420
2019-04-18

Amplifier speaker drive current sense

#11
20190013819
2019-01-10

Digital-to-analog converter circuit, corresponding device and method

#12
20180014119
2018-01-11

Amplifier speaker drive current sense

#13
20170178731
2017-06-22

High performance digital to analog converter

#14
20170077883
2017-03-16

Self-regulated reference for switched capacitor circuit

#15
20160314841
2016-10-27

High performance digital to analog converter

#16
20160142016
2016-05-19

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

#17
20150349721
2015-12-03

Neutralization of parasitic capacitance using MOS device

#18
20150263758
2015-09-17

High performance digital to analog converter

#19
20140035671
2014-02-06

Sense amplifier and electronic apparatus using the same

#20
20130043934
2013-02-21

Analog floating gate charge loss compensation circuitry and method

#21
20120133437
2012-05-31

Sense amplifier and electronic apparatus using the same

#22
20110298644
2011-12-08

SWITCHED-CAPACITOR AMPLIFIER AND ANALOG FRONT-END CIRCUIT

#23
20110140945
2011-06-16

Gain circuit

#24
20110043254
2011-02-24

Sense amplifier and electronic apparatus using the same

#25
20090284284
2009-11-19

Sense amplifier and electronic apparatus using the same

#26
20080012640
2008-01-17

Unilateralized amplifier

#27
20060255837
2006-11-16

Sense amplifier and electronic apparatus using the same

#28
20060197597
2006-09-07

Ultra low-frequency response, DC-blocked low-noise amplifier

#29
20050007156
2005-01-13

Sense amplifier and electronic apparatus using the same