Lecture28 - Chapter 5

Lecture28 - Chapter 5 - EE216 C ircuit Analysis I Le cture#...

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1 EE216 Circuit Analysis I Lecture # 28 – Chapter 5
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2 Semester Grade Adjustment Procedure FOR: Q3, Q4 DEADLINE: Wed, Oct 21, 2009 @ 3:00 pm Please pick up your copy from your section CR. Check your copy against the solution provided (in class, on Margala and/or Yahoogroups folders). For Q3, Q4 come to instructor office (preferably with appointment) fully prepared with all evidence to resolve the problem(s) in a single sitting. After deadline grades for above will be FINAL .
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Realistic Model for Op-Amp We have already studied it in somewhat detail. Replace ideal constraints with real ones. R i R o A(v p - v n ) i o i p i n v p v n v o
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Analysis of Inverting Amplifier - Realistic Model Apply node voltage method @ a: (v n -v s )/R s + v n /R i + (v n -v o )/R f = 0 Apply node voltage method @ b: (v o -v n )/R f + (v o - A(-v n ))/R o = 0 4 R i R o A(v p - v n ) v p v n v o R f v s R s a b s f o i s i o f s f o o V R R + ) 1 + R R ( + ) R R + A + 1 ( R R ) R / R ( + A - = V s f o i s L o L o i o f s f o o V R R + ) 1 + R R )( R R + 1 ( + ) R R + R R + A + 1 ( R R ) R / R ( + A - = V When the load R L is connected:
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Lecture28 - Chapter 5 - EE216 C ircuit Analysis I Le cture#...

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