Op amps

Discussion in 'Homework Help' started by Energetic, Mar 8, 2011.

  1. Energetic

    Thread Starter Member

    Jan 3, 2011
    Nice simple one for y'all.

    Both these need to have a 20db gain and should be operated from a +/-15v supply. Source is 1v 1kHz.

    How do i get the gain right and where does the 15v bit go?

    I have a sine wave coming out presently but the resistors are the wrong way round according to the equations are they not? Changint the values around produces a mess...

    Any tips much appreciated...
  2. beenthere

    Retired Moderator

    Apr 20, 2004