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