DC offset of OPAMP

[sushmithks]

Say i'm using an opamp to amplify AC signal. How do I avoid DC shift in the output?

 

[Harald Kapp]

Use AC coupling by a capacitor or trim the Dc offset.

 

[Herschel Peeler]

Say i'm using an opamp to amplify AC signal. How do I avoid DC shift in the output?

Single power or dual power rail? Yes, cap coupled. DC offset design depends on which op amp you are using.