Understanding Modern Electronics

Course Overview

Master electronic fundamentals through 24 hands-on lectures with Professor Richard Wolfson. Explore circuits, semiconductors, and digital systems while building practical devices from amplifiers to memory circuits.

Video Lessons

Foundations

1. Electricity and Electronics (35 min)
   Distinguishing basic concepts with Ohm’s Law applications
2. Circuits and Symbols (30 min)
   Reading diagrams for series/parallel configurations
3. Instruments and Measurement (33 min)
   Using voltmeters, oscilloscopes and multimeters

Core Components

4. AC vs DC (28 min)
   Transformers, diodes and power supply conversions
5. Audio Filtering (29 min)
   Capacitor applications in equalizers and signal processing
6. Semiconductors (29 min)
   P/N-type materials and PN-junction principles

Transistor Technology

7. Transistor Fundamentals (29 min)
   FETs and BJTs as electronic switches
8. Transistor Amplifiers (29 min)
   Biasing and load-line analysis for signal boosting
9. Building an Audio Amplifier (31 min)
   Two-stage design with speaker output

Operational Amplifiers

10. Ideal Amplifier Characteristics (32 min)
    Infinite gain and op-amp comparator functions
11. Feedback Principles (33 min)
    Negative feedback in robotic and tracking systems
12. Op-Amp Math Rules (30 min)
    V+ = V- applications in circuit design
13. Practical Op-Amp Circuits (30 min)
    Summing amplifiers and light meters
14. Advanced Op-Amp Uses (30 min)
    Peak detectors and freezer alarm design

Digital Electronics

16. Analog vs Digital (37 min)
    Binary systems and logic gate foundations
17. Digital Logic Implementation (40 min)
    CMOS technology and computer circuitry
18. Flip-Flop Circuits (34 min)
    Memory fundamentals with stable state devices
19. Serial Communication (31 min)
    USB protocols and watch frequency dividers
20. Memory Systems (30 min)
    RAM vs sequential, volatile vs non-volatile
21. Counting Circuits (29 min)
    Assembly line sensors and bit operations

Conversion Systems

22. Digital-to-Analog (30 min)
    Weighted-resistor and delta-sigma DACs
23. Analog-to-Digital (31 min)
    Flash, integrating and feedback converters

Future Applications

15. Capacitive Op-Amp Designs (30 min)
    Waveform generation and mathematical integration
16. Electronics Horizons (35 min)
    Microcontrollers and photovoltaic innovations