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PCE
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IPC Subgroup
H03F 3/28

with tubes only

Introduced: September 1968

Last revised: January 2006

Full Title

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements > Push-pull amplifiers; Phase-splitters therefor > with tubes only

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
AMPLIFIERS