DIFF Subgroup
H03F 3/72 Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
Introduced: July 1974
Full Title
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements > Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
No child classifications to compare. This is a leaf node in both IPC and CPC.