(under the class definition) Subject matter including means to restore a D.C.. component to the signal, usually by means of a D.C.. bias source and a rectifier circuit supplied to the control grid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
140, for control of the input or gain control electrode including a rectifier in the bias circuit.
SEE OR SEARCH CLASS
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,
306+, for miscellaneous circuits with amplitude control means.
348, Television, 691+, for television systems including D.C. reinsertion circuits.