ClassID:

219455

H03F3/45766 - 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 in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using balancing means

Recent Application in this class:
#1
20260149425
2026-05-28

TRIMMING AN OFFSET VOLTAGE DRIFT BASED ON MEASUREMENTS AT TWO TEMPERATURES

#2
20250023531
2025-01-16

CIRCUIT FOR VOLTAGE OFFSET COMPENSATION

#3
20210273620
2021-09-02

Compact offset drift trim implementation

#4
20210152135
2021-05-20

Low-power, low-noise amplifier with negative feedback loop

#5
20180367103
2018-12-20

Amplifier circuit, reception circuit, and semiconductor integrated circuit

#6
20160294336
2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

#7
20110057718
2011-03-10

Apparatus and method for offset drift trimming

#8
20100176871
2010-07-15

Signal receiver and voltage compensation method thereof

#9
20090189694
2009-07-30

Differential amplifier with accurate input offset voltage

#10
20090027107
2009-01-29

Semiconductor device and offset voltage adjusting method

#11
20080150633
2008-06-26

Method and system for reducing AM/PM distortion in a polar amplifier

#12
20080122538
2008-05-29

Wideband active balun circuit based on differential amplifier

#13
20080061847
2008-03-13

Driver circuit and method of controlling the same

#14
20080061840
2008-03-13

Receiver circuit having compensated offset voltage

#15
20080012640
2008-01-17

Unilateralized amplifier

#16
20070109043
2007-05-17

Operational amplifier with zero offset

#17
20060125563
2006-06-15

Method for forming elements with reduced variation

#18
20060097778
2006-05-11

Differential amplifier with high voltage gain and stable common mode output voltage

#19
20060061420
2006-03-23

Bias current cancellation for differential amplifiers

#20
20060006942
2006-01-12

Balanced amplifier and filter using the same

#21
20050270100
2005-12-08

Bias current cancellation for differential amplifiers

#22
20050146381
2005-07-07

Balanced amplifier and filter using the same

#23
20050088234
2005-04-28

Transconductance amplifier