ClassID:

220116

H03F2203/45622 - 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 a voltage generating circuit

Recent Application in this class:
#1
20210013852
2021-01-14

Measuring current generation circuit

#2
20200358411
2020-11-12

Differential amplifier

#3
20200136620
2020-04-30

Ground intermediation for inter-domain buffer stages

#4
20160100243
2016-04-07

Headset amplification circuit with error voltage suppression

#5
20140347130
2014-11-27

Semiconductor integrated circuit device and high-frequency power amplifier module

#6
20140232589
2014-08-21

Receiver circuit, phased-array receiver and radar system

#7
20140203872
2014-07-24

Low-noise amplifier, receiver, method and computer program

#8
20130076438
2013-03-28

Current efficient mixer architecture

#9
20120326755
2012-12-27

Bias circuit

#10
20110234322
2011-09-29

Apparatus and method for reducing current noise

#11
20110158435
2011-06-30

Audio signal amplifier circuit

#12
20090212856
2009-08-27

Analog amplifier having DC offset cancellation circuit and method of offset cancellation for analog amplifiers

#13
20090184770
2009-07-23

Device and method for biasing a transistor amplifier

#14
20090179670
2009-07-16

PERFORMANCE INVERSION DETECTION CIRCUIT AND A DESIGN STRUCTURE FOR THE SAME

#15
20090085788
2009-04-02

Multi-input operational amplifier circuit, digital/analog converter using same, and driver for display device using same

#16
20090051428
2009-02-26

AGC CIRCUIT

#17
20090015337
2009-01-15

Device and method for biasing a transistor amplifier

#18
20080018405
2008-01-24

Ultra wide band, differential input/output, high frequency amplifier in an integrated circuit

#19
20080007443
2008-01-10

Input interface circuit adapted to both of analog and digital signals

#20
20070024377
2007-02-01

Impedance matching techiques for multi-band or wideband RF amplifiers and associated amplifier designs

#21
20070013440
2007-01-18

Analog amplifier having DC offset cancellation circuit and method of offset cancellation for analog amplifiers

#22
20060284670
2006-12-21

Neutralization techniques for differential low noise amplifiers

#23
16171357
2019-10-29

Ground intermediation for inter-domain buffer stages