| Learning Objectives (See related pages)
Upon completing this chapter, students should be able to:
- Review the concepts of negative and positive feedback
- Fully develop the two-port approach to the analysis of negative feedback amplifiers
- Understand the topologies and characteristics of the series-shunt, shunt-shunt, shunt-series, and series-series feedback configurations
- Discuss common errors that can occur in applying the two-port feedback theory
- Understand the effects of feedback on frequency response and feedback amplifier stability
- Learn to interpret feedback amplifier stability in terms of Nyquist and Bode plots
- Use SPICE ac and transfer function analyses to characterize feedback amplifiers
- Develop techniques to determine the loop-gain of closed-loop amplifiers using SPICE simulation or measurement
- Discuss the Barkhausen criteria for oscillation
- Understand basic RC, LC, and crystal oscillator circuits
- Present the LCR model of the quartz crystal
- Discuss amplitude stabilization in oscillators
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