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 found in an American telecommunications documentation from the 1980s. The circuit...
The circuit presented is a game based on an integrated TTL of type 7473. In the figure we have a...
This is one of the many versions we have of this alarm on our website. It was found in an English...