With the help of this simple circuit you will be able to convert any voltage between 0.9V and 1.6V to a fixed 3V voltage therefore it is very useful when you need to power equipments that require 3 ...
If your introduction to digital electronics came more years ago than you’d care to mention, the chances are you did so with 5V TTL logic. Above 2V but usually pretty close to 5V is a logic 1, below ...