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IPC Subgroup
H03F 1/24

in discharge-tube amplifiers

Introduced: September 1968

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 cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively > in discharge-tube amplifiers

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
AMPLIFIERS