Relation:
a+ (b x c) = a x (b + c)
a + b x c = (a +b) x (a + c)
The circuit shown is from an old European publication. In it we have the way to activate a relay...
We found this circuit in a European publication from the 1990s. Transistors are still common types...
This circuit was found in an American documentation and can be added to common amplifiers of any...
