ClassID:

219986

H03F2203/45362 - 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 AAC comprising multiple transistors parallel coupled at their gates and drains only, e.g. in a cascode dif amp, only those forming the composite common source transistor

Recent Application in this class:
#1
20140180052
2014-06-26

Neural recording system

#2
20140070886
2014-03-13

Amplifier with voltage and current feedback error correction

#3
20130307623
2013-11-21

Amplifier circuits with reduced power consumption

#4
20130187620
2013-07-25

Power efficient transconductance amplifier apparatus and systems

#5
20130113564
2013-05-09

Fast settling low power low noise amplifier

#6
20120286860
2012-11-15

Systems and methods for minimizing phase deviation and/or amplitude modulation (AM)-to-phase modulation (PM) conversion for dynamic range, radio frequency (RF) non-linear amplifiers

#7
20110241779
2011-10-06

Front-end equalizer and amplifier circuit

#8
20110109390
2011-05-12

Transconductor circuit

#9
20100052778
2010-03-04

Norder tunable low-pass continuous time filter for fiber optic receivers

#10
20090219092
2009-09-03

Highly linear differential amplifier with a novel resistive source degeneration network

#11
20090051439
2009-02-26

Transconductance signal capacity format

#12
20080284514
2008-11-20

Differential amplifier with multiple signal gains and wide dynamic range

#13
20080273106
2008-11-06

Class AB amplifier and imagers and systems using same

#14
20080143441
2008-06-19

AMPLIFIER HAVING PLURALITY OF DIFFERENTIAL PAIRS AND COMMUNICATION SYSTEM EQUIPPED WITH SAME

#15
20080068082
2008-03-20

Amplifier circuit and communication device

#16
20070238432
2007-10-11

Variable gain amplifier, and AM-modulated signal reception circuit and detection circuit

#17
20070096813
2007-05-03

Differential circuit with improved linearity

#18
20070052482
2007-03-08

Low noise amplifier for a radio receiver

#19
20070001760
2007-01-04

Buffer amplifier

#20
20060170500
2006-08-03

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

#21
20060164164
2006-07-27

Variable gain amplifier with low phase variation

#22
20060077584
2006-04-13

Low power low noise amplifier for a magnetoresistive sensor

#23
20060033584
2006-02-16

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

#24
20060022748
2006-02-02

Variable gain amplifier circuit and radio machine

#25
20050218986
2005-10-06

Differential amplifiers and methods of using same

#26
20050174174
2005-08-11

OP-amplifier with an offset voltage cancellation circuit

#27
20050164671
2005-07-28

Reducing active mixer flicker noise

#28
20050162221
2005-07-28

Amplifier apparatus for use with a sensor

#29
20050110569
2005-05-26

Digitally controlled transconductance cell