H03F2203/45572 - CPC Classification Index

ClassID:

220091 ⎘

H03F2203/45572 - 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 one or more Zener diodes to the input leads

Recent Application in this class:

20190158027

2019-05-23

High speed, high voltage, amplifier output stage using linear or class D topology

20150150753

2015-06-04

Instrumentation absolute value differential amplifier circuit and applications

20060071838

2006-04-06

Unified analog input front end apparatus and method