H03F2203/45324 - CPC Classification Index

ClassID:

219967 ⎘

H03F2203/45324 - 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 a Darlington transistor circuit

Recent Application in this class:

20170264252

2017-09-14

Active linearization for broadband amplifiers

20090189693

2009-07-30

Operational amplifier

20080079490

2008-04-03

Asymmetric rise/fall time and duty cycle control circuit

20080012641

2008-01-17

Operational amplifier

20070188232

2007-08-16

Wideband CMOS gain stage

20060290428

2006-12-28

Variable gain amplifier with temperature compensation and gain linearity enhancement

20050258902

2005-11-24

Wideband CMOS gain stage