Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00

5 direct subcodes

Child Classifications

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H03F 2203/20 Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
H03F 2203/30 Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
H03F 2203/45 Indexing scheme relating to differential amplifiers
H03F 2203/50 Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
H03F 2203/72 Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal