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 uses the 7493 to divide a TTL square signal by 8. The circuit must be powered from a...
This circuit uses a feedback integrator. We found it in Ferranti's transistor manual from 1974....
Found in a Popular Electronics from the 9s, this circuit has output for RS-232 interfaces and current...