Found in a 1965 Motorola documentation, this circuit uses a neon lamp as a trigger element. The SCR admits equivalents and the lamp must be incandescent.
We found this circuit in a 2003 documentation. The purpose is to make the player choose one or two...
This circuit allows the frequency generated by an oscillator with the 4069 to be divided by two,...
This commercial transistor radio was manufactured by RCA in the 1960s. The circuit has only 4...