Buffer amplifier

A buffer amplifier is a type of amplifier that connects electrical circuitry together. It takes a signal from one circuit and amplifies (makes stronger) it before sending the same signal to another circuit. It is like a very strong bridge that carries a signal from one place to another but does not change the signal it is carrying. Buffer amplifiers are useful because they help protect other circuits from damage due to current or voltage fluctuations. Think of it like a buffer between two cars. It prevents the shock of one car going too fast from damaging or knocking the other car off the road.