We found this circuit in the 1982 SGS linear integrated circuit manual. The L149 is not common today and the circuit can be implemented with equivalents.
This TTL traffic light circuit was found in an English magazine from 1977. The magazine no longer...
The purpose of this circuit is to control magnetic door locks activated by the power grid. The...
We found this circuit in a 90s Electronic Design. The components admit current equivalents. The circuit...