This monostable circuit, from a 1977 Radio Shack documentation, uses a 7400. The time is given by the capacitor and the power must be supplied with 5 V.
This circuit was obtained in a 1964 Electronic Design. The circuit uses components from that time,...
This pocket-sized VHF receiver was found in Radio Electronics magazine from January 1961. It uses...
Found in a Maxim documentation, this 1980s circuit drives 4 LEDs on a bar scale. The circuit does...