ClassID:

219743

H03F2203/21172 - 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 power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers A series resonance circuit being coupled at the output of a power amplifier

Recent Application in this class: