IPC Subgroup
H03F 1/56 Modifications of input or output impedances, not otherwise provided for
Introduced: January 1980
Last revised: January 2006
Full Title
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements > Modifications of input or output impedances, not otherwise provided for
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- AMPLIFIERS