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IPC Subgroup
H03F 3/217

Class D power amplifiers; Switching amplifiers

Introduced: July 1974

Last revised: January 2006

Full Title

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements > Power amplifiers, e.g. Class B amplifiers, Class C amplifiers > with semiconductor devices only > Class D power amplifiers; Switching amplifiers

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
AMPLIFIERS