Electroenthusiast
Active Member
Why Op amp require +'VE & -'VE Supply?
Refer: Op amp & LIC : David A Bell
Refer: Op amp & LIC : David A Bell
Last edited:
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
A dual supply to an op amp allows amplification of both plus and minus (bipolar) signals (such as a normal AC signal biased to ground). There are op amps available that have rail-to-rail inputs and outputs, and will work from a single supply but, of course, they will only amplify unipolar signals.