This simple SCR trigger was found in a 1965 General Electric SCR manual. The circuit makes use of a diac, and the transistor supports an equivalent.
With this circuit any number of 4017 integrated circuits can be connected in series. The circuit is...
This useful instrument has dual function, operating both as signal injector and continuity tester. The...
This circuit allows you to vary the duty cycle without changing the frequency. An interesting...