You may be wondering why you would ever need a voltage amplifier. And if you are someone who does not play around with a lot of technology or AV equipment, you are probably right – you may never need one of these systems. But it is still good to know what a voltage amplifier can do, and who knows, you may find yourself needing it one of these days. The most common way you would see a voltage amplifier in action is when audio equipment is being used for various purposes. Whether it is on a professional basis, or for personal reasons, people may choose to use these op-amps to boost voltage.
But what does the op-amp do in this case? As you can see at Microchip, op-amps come in different forms, and the voltage amplifier is one of those forms. When you are using such a voltage amplifier with audio equipment, you are trying to take a signal that is of a certain amount of voltage and boost it to a higher level. This is done very often when you are using headphones for listening to music, watching movies, playing games or recording songs. Whether you need the boost for your own listening or as you are working, the voltage amplifier can help a lot.
Instead of having to get a whole new sound card or system that you are using as your source for the sound, all you need to do is use an amplifier and you are good to go. These come in many sizes. You may see huge and really complicated amplifiers, and these are usually used for professional purposes. But there are portable and smaller desktop amplifiers as well, and these serve the same purpose. They give you a huge volume boost, while they can also improve the quality of the sound.