This traditional TTL configuration was obtained in a 1977 documentation. The supply must be made with 5 V and the capacitors can be changed for operation at other frequencies.
This circuit was found in a 1965 General Electric manual. It is intended for cars that have...
This circuit was found in a Popular Electronics from the 90s. Transistors are general purpose...
We found this circuit in a Hands-on Electronics from 1985. The circuit is based on common...