1. Chapter 2 – Operational Amplifiers Introduction http://engr.calvin.edu/PRibeiro_WEBPAGE/courses/engr311/Handouts/OpAmp-tutorial-1.ppt Textbook CD http://www.clarkson.edu/%7Esvoboda/eta/designLab/InvertingAmplifierDesign.html

2. The OP-AMP Terminals Symbol Power Supplies

3. Fairchild uA702 – The first op-amp designed by Bob Widlar

4. The OP-AMP Terminals

6. The Ideal OP-AMP -V S v id Inverting Noninverting Output + _ i (-) i (+) v O = A d v id RORORORO A RiRiRiRi Open-loop gain Exercise 2.2

7. Analysis of Circuits Containing Ideal OP-AMPS The Inverting Configuration The inverting closed-loop configuration. Closed-Loop Gain Virtual Short-Circuit Virtual Ground Negative and Positive Feedback

8. Analysis of Circuits Containing Ideal OP-AMPS The Closed-Loop Gain Analysis of the inverting configuration -

9. Analysis of Circuits Containing Ideal OP-AMPS Effect of Finite Open-Loop Gain

10. Analysis of Circuits Containing Ideal OP-AMPS Exercise 2.1

11. Analysis of Circuits Containing Ideal OP-AMPS Input and Output Resistances

12. Analysis of Circuits Containing Ideal OP-AMPS Exercise 2.2

13. Other Applications of the Inverting Configuration With General Impedances Z1 Z2

14. Other Applications of the Inverting Configuration The Integrator

15. Other Applications of the Inverting Configuration PSpice Simulation Tips

16. Other Applications of the Inverting Configuration The Differentiator Z1 = 1/sC Z2 = R

17. Other Applications of the Inverting Configuration The Weighted Summer

18. Other Applications of the Inverting Configuration The Non-Inverting Configuration vivi

19. Other Applications of the Inverting Configuration The Voltage Follower

20. A difference amplifier. Other Applications of the Inverting Configuration The Difference Amplifier

21. Applications of superposition to the analysis of the current circuit of Fig.. 2.21. Other Applications of the Inverting Configuration The Difference Amplifier

22. Finding the input resistance of the difference amplifier. Other Applications of the Inverting Configuration The Difference Amplifier – Input Resistances

23. Representation of the common-mode and differential components of the input signal to a difference amplifier. Note that v 1 = v CM - v d /2 and v 2 = v CM + v d /2. Other Applications of the Inverting Configuration The Difference Amplifier – Common-Mode and Differential Components of the input signal

24. (a) A popular circuit for an instrumentation amplifier. (b) Analysis of the circuit in (a) assuming ideal op-amps. (c) To make the gain variable, R 1 is implemented as the series combination of a fixed resister R 1f and a variable resistor R 1v. Resistor R 1f ensures that the maximum available gain is limited. Other Applications of the Inverting Configuration Instrumentation Amplifier

25. Open-loop gain of a typical general-purpose internally compensated op amp. Effect Of Finite Open-Loop Gain and Bandwidth On Circuit Performance fb = 3-db or break frequency ft = unity gain bandwidth

26. (a) Unity-gain follower. (b) Input step waveform. (c) Linearly rising output waveform obtained when the amplifier is slew-rate limited. (d) Exponentially rising output waveform obtained when V is sufficiently small so that the initial slope (w t V) is smaller then or equal to SR.

27. Effect of slew-rate limiting on output sinusoidal waveforms.