1. 9-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Nine The Ideal Operational Amplifier

2. 9-2 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.2 (a) Ideal op-amp equivalent circuit and (b) op-amp transfer characteristics

3. 9-3 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.9 Currents and voltages in the inverting op-amp

4. 9-4 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.13 (a) Summing op-amp amplifier circuit and (b) currents and voltages in the summing amplifier

5. 9-5 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.14 Noninverting op-amp circuit

6. 9-6 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.19 Current-to-voltage converter

7. 9-7 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.21 Voltage-to-currect convertor

8. 9-8 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.23 (a) Op-amp difference amplifier, (b) difference amplifier with v 12 = 0 and (c) difference amplifier with v 11 = 0

9. 9-9 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.26 Voltages and currents in instrumentation amplifier

10. 9-10 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.29 Op-amp integrator

11. 9-11 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.31 Figure for Exercise 9.21

12. 9-12 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.33 Precision half-wave rectifier circuit

13. 9-13 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.39 Op-amp voltage reference circuit

14. 9-14 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 9.42 Complete amplifier system