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 small transmitter appeared in the March 1989 issue of Radio Electronics magazine. The...
I found this simple circuit in an English magazine from 1984. The circuit can be assembled easily...
This sophisticated circuit of the coin-toss game was found in an American 1980s documentation. The circuit...