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ClassID:

219406 ⎘

H03F3/45381 - 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 junction FET transistors as the active amplifying circuit Long tailed pairs

Sub-classes:
Recent Application in this class:
#1
20240339977
2024-10-10

AMPLIFIER WITH INPUT AND OUTPUT COMMON-MODE CONTROL IN A SINGLE AMPLIFICATION STAGE

 #2
20230297128
2023-09-21

Adaptive bias control for a voltage regulator

 #3
20190260334
2019-08-22

Operational amplifier circuit capable of improving linearity relation between loading current and input voltage difference

 #4
20180337642
2018-11-22

Operational amplifier circuit capable of improving linearity relation between loading current and input voltage difference

 #5
20180316325
2018-11-01

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

 #6
20180309419
2018-10-25

Differential amplifier

 #7
20180062589
2018-03-01

Driver with distributed architecture

 #8
20160315617
2016-10-27

Low-voltage differential signaling (differential signaling) driver circuit and method of enabling and disabling a differential signaling driver circuit

 #9
20160294341
2016-10-06

Limiting driver for switch-mode power amplifier

 #10
20160173045
2016-06-16

Current sense amplifer with extended common mode input voltage range

 #11
20160173037
2016-06-16

Trimming method for current sense amplifiers

 #12
20160049911
2016-02-18

Limiting driver for switch-mode power amplifier

 #13
20150263683
2015-09-17

Method and circuit for improving the settling time of an output stage

 #14
20130257513
2013-10-03

Fully complementary self-biased differential receiver with startup circuit

 #15
20130056801
2013-03-07

Junction field effect transistor and analog circuit

 #16
20130038394
2013-02-14

Operational amplifier

 #17
20110062418
2011-03-17

Molecular transistor driving of nanoscale actuators from differential amplifier circuits compatible with carbon nanotube sensors and transducers

 #18
20080231361
2008-09-25

Molecular transistor circuits compatible with carbon nanotube sensors and transducers

 #19
20080007339
2008-01-10

Transmitter apparatus with extended gain control

 #20
20060214728
2006-09-28

Transmitter apparatus with extended gain control

 #21
20050083126
2005-04-21

Method and circuit for a dual supply amplifier

 #22
20050062533
2005-03-24

Coupled-inductance differential amplifier