Lecture 31
Op amp Based Sinusoidal Oscillator
Objectives: To present the most famous op amp based oscillators
(a) Wien-Bridge
(b) Phase shift,
(c) Quadrature.
The Wien-Bridge Oscillator
The Wien-Bridge oscillator circuit is shown in Fig. 1. It uses an op
Lecture 30
Analysis of Sinusoidal Oscillators
Objectives:
Present two ways of finding the characteristic equation (CEQ) of an amplifier
Give examples of determining the CEQs
Explain how to get the frequency and condition of oscillation from the CEQ
Discus
Lecture 30
Objectives:
1. Present a direct method of calculating the loop gain
2. Give examples with systematic procedure to find the loop gain
3. Explain the relationship between loop gain value and stability
4. Discuss the relationship between stability
Lecture 25
Shunt-Shunt Feedback
Objectives:
1. Develop approach to deal with shunt-shunt topology.
2. Discuss characteristics of shunt-shunt topology
3. Develop a systematic procedure to calculate the closed loop gain of shunt-shunt
topology
4. Explain ho
Lecture 26
Shunt-series Feedback
Objectives:
1. Develop approach to deal with shunt-series topology.
2. Discuss characteristics of shunt-series topology
3. Develop a systematic procedure to calculate the closed loop gain of shunt-series
topology
4. Explai
Lecture 27
General Study of the Feedback Amplifiers
Objectives:
1. Summarize concepts of negative feedback.
2. Learn more ideas from previous lectures examples
3. Give some hints for faster solution
4. Present new examples
At the end of this lecture you w