11 Replies Latest reply on Jul 31, 2012 6:24 AM by user_14586677

    Opamp as adder

    hanumanth.vinukonda

       Hello,

         

                  i am trying to work opamp as "adder" (adding two analog signals with different frreq) ,but i am facing some errors in connecting resistors to the analog input pins. Please say how to avoid this.

         

      I have shown the schematic diagram and errors in pic