Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR clocks. The transformer is of the commercial type of the time.
This circuit was found in an English documentation from the 90's. Equivalent components such as...
This circuit was found in an Electronics Now of the 80s applying to NiCad batteries of the time....
The pulses applied to input C of the SAA1027 integrated circuit determine the engine speed. Each...