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Chapter 14

Chapter 14. Operational Amplifiers. 741 Operational Amplifier. Introduction. Operational Amplifiers are integrated circuits (IC’s) that have a number of advantages over the standalone transistors. Circuit Symbol and IC Pinouts. 741 Operational Amplifier. Ideal Op-Amp (page 664).

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Chapter 14

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  1. Chapter 14 Operational Amplifiers

  2. 741 Operational Amplifier

  3. Introduction • Operational Amplifiers are integrated circuits (IC’s) that have a number of advantages over the standalone transistors. • Circuit Symbol and IC Pinouts

  4. 741 Operational Amplifier

  5. Ideal Op-Amp (page 664) • The circuitry of an operational amplifier with a closed, negative-feedback loop will adjust its output in any way possible to make the inverting input and non-inverting input terminals of the device equal in voltage. • Infinite Input Impedance • The inputs draw no current.

  6. Inverting Amplifier • How does Vout depend in Vin? • Is there a phase shift between Vout and Vin?

  7. Non-Inverting Amplifier • How does Vout depend in Vin? • Is there a phase shift between Vout and Vin?

  8. Voltage Follower • How does Vout depend in Vin? • Is there a phase shift between Vout and Vin?

  9. Example Problems • Example 14.1 • P14.11 • * P14.10 • * P14.20 • * Figure 14.8 (a) and (b) • * P14.9

  10. Stop Here

  11. Difference Amplifier • How does Vout depend in Vin? • Is there a phase shift between Vout and Vin?

  12. Transformers • Transformer Makers Equations

  13. H-bridge circuit for controlling motors. http://www.cpg1.freeserve.co.uk/servos/servos.htm

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