ClassID:

219369

H03F3/45215 - 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 implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit; Complementary long tailed pairs having parallel inputs and being supplied in parallel Non-folded cascode stages

Recent Application in this class:
#1
20260149422
2026-05-28

AMPLIFIER CIRCUIT, COMPARATOR, AND SOLID-STATE IMAGING DEVICE

#2
20240364286
2024-10-31

Amplifying circuit having supplemental transconductance and stable common-mode feedback

#3
20210044265
2021-02-11

Distortion reducing variable output impedance class-D amplifier

#4
20210044264
2021-02-11

Class-D amplifier with multiple power rails and quantizer that switches used ramp amplitude concurrently with switch in used power rail

#5
20190294295
2019-09-26

APPARATUS AND METHOD FOR REDUCING AMPLIFIER FEEDBACK CAPACITOR WITH BYPASS AMPLIFICATION STAGE

#6
20190253069
2019-08-15

Predictive digital autoranging analog-to-digital converter

#7
20190149111
2019-05-16

Amplifier with constant voltage gain

#8
20190149107
2019-05-16

Low power dissipation high performance Class-D amplifier

#9
20190149101
2019-05-16

Class-D amplifier with multiple independent output stages

#10
20190149093
2019-05-16

AMPLIFIER WITH CONSTANT VOLTAGE GAIN

#11
20190141811
2019-05-09

Driving apparatus for a light emitting device and method for the same

#12
20190140592
2019-05-09

Low voltage amplifier with gain boost circuit

#13
20190097583
2019-03-28

Amplifier configuration for load-line enhancement

#14
20180316325
2018-11-01

Amplifier circuit that amplifies differential signal and optical module that includes amplifier circuit

#15
20180302049
2018-10-18

Semiconductor device, semiconductor system, and control method of semiconductor device

#16
20180242419
2018-08-23

Driving apparatus for a light emitting device and method for the same

#17
20180152157
2018-05-31

Programmable gain amplifier

#18
20180143068
2018-05-24

Sensing circuit comprising an amplifying circuit and an amplifying circuit

#19
20170373653
2017-12-28

Current-bootstrap comparator and operational amplifier thereof

#20
20170310291
2017-10-26

Amplifier circuit and amplifier arrangement

#21
20170223796
2017-08-03

Driving apparatus for a light emitting device and method for the same

#22
20110227647
2011-09-22

Differential amplifier and source driver

#23
20090231039
2009-09-17

Differential amplifier

#24
16427138
2020-03-03

Dual-rail transceiver with improved signal-to-noise ratio for differential high-speed links

#25
16049890
2019-09-24

Biphase mark coding transceiver

#26
15807640
2019-01-22

Low voltage amplifier with gain boost circuit