The op amp — short for operational amplifier — is a packaged differential amplifier. The ideal op amp — which we can’t get — has infinite gain and infinite input impedance. While we can ...

it would have to be the operational amplifier. The humble op-amp can be configured into so many circuit building blocks that it has become an indispensable tool for designers. It’s tempting to ...

Differential amplifiers are used in myriad applications, including microphones, simulation, analog-to-digital conversion and automatic gain control. See op amp. THIS DEFINITION IS FOR PERSONAL USE ...