DIFF Subgroup
H03F 3/50 Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
Introduced: September 1968
Full Title
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements > Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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