In the figure we have a basic oscillator with inverters obtained from TTL, CMOS or other gates. The graph on the side allows to find the frequency depending on the resistor and the capacitor.
This transistor flasher was found in an English magazine that no longer exists from 1975. The...
This two-digit timer was found in the 1983 Special Projects issue of Radio Electronics magazine. The...
The maximum input voltage of this circuit is 20V and the output current is 250 mA. The circuit is from...