ClassID:

220176

H03F2203/5012 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; 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 the source follower has a controlled source circuit, the controlling signal being derived from the drain circuit of the follower

Recent Application in this class: