Found in 1965s General Electric documentation, this circuit is intended for the control of servos connected to the power grid. Equivalent modern components can be employed.
This simple circuit that senses energy cables (alternating current) through the field produced was found...
This is the traditional unijunction transistor relaxation oscillator circuit for the audio band. The...
The source used in this timer is of the type without transformer and regulated by the 7 W zener. The...