Electronics I
ECE322 is the introduction to the analysis and design of analog electronic circuits. Diodes, BJTs, and MOSFETs are covered. The lab uses concepts learned in lecture to design and build a power supply.
The following lab material requires Adobe Acrobot Reader to view.
Hardware Used
Software Used
Useful Tutorials
Important Documents
On-Campus Suppliers
Lab Manual
Week 1:
- Pass out lab kits
- Explain and demonstrate a finished power supply
- Explain oscilloscope coupling basics
- LTSpice training/review
Week 2:
- Diode I-V characteristics and changes w/temperature
- Half/full wave rectifiers
- Filtering, determining voltage ripple
- Design and build rectifier/filter circuit
Week 3: Finish Up
- Finish building AC rectifier
- Finish Mechanical Assembly
Week 4:
- Transistor characteristics
- Vary fan speed with BJT amplifier and pots
- Two transistor vreg (2N4401 then with TIP29)
Week 5: Design and Voltage Regulators
- Darlington pair to boost DC gain (hfe)
- Build Positive VReg
Week 6: Design and Build Voltage Regulators
- Design and buile negative VReg
- Add over current protection
- Challenge to add over current warning light
Week 7: Design and Build Voltage Regulators
- Design and build fan control circuit
Week 8: Design and build fan control circuit
Week 9: Design and build capacitor discharging circuit
Week 10:
- Test power supply for full functionality
- Assorted challenges
Appendix A: Lab Equipment Overview
Appendix B: Project Design Specification Document
Appendix C: Presentation Pointers
Appendix D: Tektronix TDS 210 Oscilloscope
Appendix E: Parts List and Suppliers
OREGON STATE UNIVERSITY
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