I want to convert 0 to 10 v range into 0 to 3 volt as my ADC having input range of 0-3V.
I want to design attenuator using opamp.

 

And your question is ?

(I suspect that this is in the wrong section)

 

An excellent principle in electronic design is to keep it simple, Try 2 resistors.

 

Hello,

I moved the answers to the second thread and deleted the double post.

Bertus