H03F2203/45322 - CPC Classification Index

ClassID:

219966 ⎘

H03F2203/45322 - 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 One or more current sources are added to the AAC

Recent Application in this class:

20210090520

2021-03-25

Operational amplifier circuit and display apparatus with operational amplifier circuit for avoiding voltage overshoot

20200204125

2020-06-25

Amplifier with low drift biasing

20200091883

2020-03-19

Ethernet line driver

20190363678

2019-11-28

Amplifier circuitry, voltage regulator circuit, and signal compensation method

20170332973

2017-11-23

Multichannel ultra-low noise amplifier

20130207720

2013-08-15

Operational amplifier with elimination of offset voltage

20110175583

2011-07-21

High voltage regulated power supply

20090289716

2009-11-26

Amplifier circuit having dynamically biased configuration

20090096490

2009-04-16

Transconductor

#10

20090040796

2009-02-12

Bipolar transistor drivers

#11

20080106337

2008-05-08

Bias current compensation circuit for a differential input stage

#12

20080068085

2008-03-20

Wide input common mode for input bias current cancellation

#13

20080024218

2008-01-31

Amplifier stage, operational amplifier and method for amplifying a signal

#14

20070096777

2007-05-03

Differential driver

#15

20060001490

2006-01-05

Differential dual port current conveyor circuit