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 digital mixer uses CMOS integrated circuits. The circuit was published by us in a magazine...
This simple circuit with a neon lamp is from a documentation from the 70s. It indicates whether...
This fixed current source uses a Norton LM3900 amplifier. The maximum current depends on the...