H
ELECTRICITY
H
ELECTRICITY
H03
ELECTRONIC CIRCUITRY
H03
ELECTRONIC CIRCUITRY
H03F
AMPLIFIERS
H03F
AMPLIFIERS
3/00
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
3/00
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
H03F3/45
Differential amplifiers
H03F3/45
Differential amplifiers
H03F3/45071
with semiconductor devices only
H03F3/45071
with semiconductor devices only
H03F3/45076
characterised by the way of implementation of the active amplifying circuit in the differential amplifier
H03F3/45076
characterised by the way of implementation of the active amplifying circuit in the differential amplifier