MidtermReview_Soln - EE411 Spring 2008 Midterm Review...

Info icon This preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
EE411 Spring 2008 Midterm Review Solution (Q1) 5.62 Let v 1 = output of the first op amp v 2 = output of the second op amp The first stage is a summer i 1 2 1 v R R v = o f 2 v R R (1) The second stage is a follower. By voltage division 1 4 3 4 2 o v R R R v v + = = o 4 4 3 1 v R R R v + = (2) From (1) and (2), i 1 2 o 4 3 v R R v R R 1 = + o f 2 v R R i 1 2 o f 2 4 3 v R R v R R R R 1 = + + f 2 4 3 1 2 i o R R R R 1 1 R R v v + + = ( ) f 4 f 3 4 2 1 f 4 2 R R R R R R R R R R + + = (Q2) 6.46 Under dc conditions, the circuit is as shown below: 2 Ω i L 3 A + v C
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon