with tubes only

Introduced: September 1968

Last revised: January 2006

Full Title

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements > DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers > with tubes only

Classification Context

Section:: ELECTRICITY
Class:: ELECTRONIC CIRCUITRY
Subclass:: AMPLIFIERS