Workshop: Electronics

Course Objective:

To equip learners with the knowledge and practical skills to analyze, design, build, troubleshoot, and repair electronic circuits and systems, encompassing both analog and digital technologies.

Target Audience:

Electronics technicians, repair specialists, hobbyists, and individuals pursuing careers in electronics design, maintenance, or further engineering study.

Outline

Module 1: Circuit Analysis and Design

• DC Circuit Analysis: Advanced application of Ohm’s Law, Kirchhoff’s Laws (KVL & KCL), Thevenin’s and Norton’s theorems.
• AC Circuit Analysis: Working with sinusoidal waveforms; understanding reactance and impedance in capacitive and inductive circuits.
• Network Theorems: Superposition, nodal and mesh analysis for complex circuits.
• Circuit Simulation Software: Using tools like LTSpice or Multisim to model, simulate, and analyze circuit behavior before construction.
• PCB Design Introduction: Basics of schematic capture and designing a simple printed circuit board (PCB) layout.

Module 2: Analog and Digital Electronics

• Analog Electronics: In-depth study of diodes (rectifiers, regulators), transistors (BJT and MOSFET amplifiers, switches), and operational amplifiers (op-amps) in various configurations (inverting, non-inverting, filters).
• Digital Electronics: Boolean algebra, logic gates, combinational logic circuits, flip-flops, counters, and sequential logic.
• Data Conversion: Fundamentals of Analog-to-Digital (ADC) and Digital-to-Analog (DAC) converters.
• Power Supplies: Designing and troubleshooting linear and switched-mode power supply (SMPS) circuits.

Module 3: Signal Processing

• Amplification: Designing single and multi-stage transistor amplifiers for voltage, current, and power gain.
• Filter Design: Designing and building passive and active filters (low-pass, high-pass, band-pass) to remove unwanted signal frequencies.
• Oscillators: Principles of feedback and operation of oscillator circuits (e.g., RC, LC, crystal) to generate stable frequencies.
• Modulation/Demodulation: Introduction to core concepts of AM and FM for communications.

Module 4: Microcontroller Applications

• Microcontroller Architecture: Understanding the core components of a MCU (CPU, memory, I/O ports, timers, ADC).
• Embedded C Programming: Writing code to read digital/analog inputs, control outputs, and use communication protocols.
• Peripheral Interfacing: Connecting and programming sensors (e.g., temperature, light), actuators (e.g., motors, servos), and displays (e.g., LCD).
• Communication Protocols: Implementing serial protocols like UART, I2C, and SPI for device communication.
• Project Integration: Designing and building a complete embedded system that performs a defined task.

Module 5: Equipment Repair and Maintenance

• Troubleshooting Methodology: Advanced fault-finding techniques; using block diagrams and service manuals.
• Test Equipment Proficiency: Advanced use of oscilloscopes, logic analyzers, spectrum analyzers, and LCR meters.
• Component-Level Repair: Desoldering and replacing surface-mount (SMD) and through-hole components; diagnosing faulty ICs.
• Preventative Maintenance: Performing calibrations, inspections, and replacing wear components.
• Safety Standards: Adhering to high-voltage safety procedures and industry-standard repair practices