We found this circuit in a Radio Electronics from the 90s. Transistors admit current equivalents, especially the power one that is not a common type today.
The transistors of this circuit found in an old documentation from the 70s can be the BC558. What...
This circuit deactivates devices powered by the power grid so that when the power returns, they do...
This circuit was suggested by Motorola in 1980s documentation. The circuit employs an operational of...