Electronic amplifiers Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! “An operational amplifier or op-amp is a very high-gain amplifier which has two inputs, one... Operational amplifier Pages in category "Electronic amplifiers" This category contains only the following page. O Operational amplifier Retrieved from "http://engineering.wikia.com/wiki/Category:Electronic_amplifiers"