In this oscillator circuit using 3 TTL inverters we have all the conditions for the frequency calculation. Power must be supplied with 5 V. The circuit is from an American TTL documentation.
This circuit produces a light effect that "ripples" between maximum and minimum points smoothly, with...
This circuit was obtained in a 1969 Mullard manual. The transistors are from that time. The input...
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...