IPC Subgroup
H03F 1/13 in discharge-tube amplifiers
Introduced: July 1974
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 amplifiers to reduce detrimental influences of internal impedances of amplifying elements > by use of attenuating means > in discharge-tube amplifiers
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- AMPLIFIERS