This circuit consists of two stages that each shift 180 degrees the signal. The circuit was proposed by Siliconix in a 1966 publication. Equivalent FETs can be used.
This is one of the first games that came out in the 70s. This one is from a Radio Electronics...
Originally the circuit in the figure is indicated by National for the control of an electronic car injection...
This circuit was found in a 1966 publication. Its purpose is to identify high voltages by lighting a...