• Operational Amplifier IC Design

Date: January 18-22, 2016.

Venue:  Microlab, MSU-IIT

Course Lecturer: 

•Dr.  Jefferson A. Hora, PECE

•Dr. Olga Joy Labajo-Gerasta, PECE

•Assoc. Prof. Allenn C. Lowaton, MSEE

•Engr. Jefrey C. Pasco

Topics: 

1. Multi-stage amplifiers

2. Operational amplifier basics, performance parameters

3. Miller Two-Stage OTA DC analysis, small signal analysis, frequency response

4. Feedback circuit analysis, stability analysis

5. Compensation techniques

6. Design trade-offs for a compensated Miller OTA

Course Learning Outcomes:

1. Describe the key characteristics of the different types of amplifiers.

2. Explain the limitations of single stage amplifiers and why it is difficult to satisfy the requirements of practical applications.

3. Explain the advantages and disadvantages of using cascade multistage amplifiers.

4. Explain the advantages and disadvantages of using cascode multistage amplifiers.

5. Explain the relationship and effects of amplifier specifications with the circuit design parameters.

6. Simulate and verify the performance of a given operational amplifier.

7. Derive the small-signal two-port network model of a given operational amplifier.

8. Explain the difference between negative and positive feedback circuits and identify applications for such circuits

9. Perform stability analysis for a given negative feedback amplifier circuit.

10. Explain the effects of feedback factor on the stability of negative feedback amplifier circuits.

11. Explain the benefits and cost of applying compensation to feedback amplifier circuits.

12. Apply compensation techniques given an unstable feedback amplifier circuit.

13. Describe the effects of compensation to time and frequency response of a given amplifier in feedback.

14. Design a two-stage Miller OTA systematically to satisfy given specifications and highlight design trade-offs.

University Participants— Faculty Trainees

1. Ateneo de Davao University

2. Jose Rizal Memorial State University

3. La Salle University–Ozamis

4. Mindanao University of Science and Technology

5. Notre Dame of Midsayap College

6. University of Mindanao–Davao City

7. Xavier University