Electrical and Electronics Course

Lesson 1 • Atomic Structure and Electric Charge

Explains how atomic structure determines electrical behaviour in materials. Establishes the physical basis for charge, conductors, insulators, and semiconductors.

Lesson 2 • Kirchhoff's Laws and Network Analysis

Applies Kirchhoff's Voltage and Current Laws to multi-loop circuits. Introduces systematic mesh and nodal analysis methods for complex networks.

Lesson 3 • Electrical Safety and Measurement Basics

Covers shock hazards, earthing, and safe work practices in electrical environments. Introduces multimeter use for measuring voltage, current, and resistance.

Lesson 4 • Voltage, Current, and Resistance

Defines the three fundamental electrical quantities and their units. Connects these quantities through Ohm's Law as the foundation for circuit analysis.

Lesson 1 • Inductors and Transformers

Examines inductance, magnetic fields, and energy storage in inductors. Introduces transformer operation and turns-ratio relationships.

Lesson 2 • Reading and Using Component Datasheets

Teaches extraction of key parameters from manufacturer datasheets for safe component selection. Reinforces all component knowledge through practical specification analysis.

Lesson 3 • Diodes and Rectifier Circuits

Explains diode operation, forward bias, reverse bias, and breakdown. Applies diodes in half-wave, full-wave, and bridge rectifier configurations.

Lesson 4 • Transistors: BJT and FET

Introduces bipolar junction transistors and field-effect transistors as amplifying and switching devices. Covers biasing, operating regions, and basic configurations.

Lesson 1 • Impedance in RLC Circuits

Extends Ohm's Law to AC circuits using impedance for resistors, capacitors, and inductors. Analyses series and parallel RLC circuits using complex impedance.

Lesson 2 • AC Waveforms and Phasor Representation

Defines sinusoidal waveforms, frequency, period, amplitude, and phase relationships. Introduces phasor notation as a tool for simplifying AC circuit calculations.

Lesson 3 • Resonance in AC Circuits

Examines series and parallel resonance conditions, resonant frequency, and bandwidth. Connects resonance theory to filter and tuning circuit applications.

Lesson 4 • AC Power Analysis

Distinguishes real, reactive, and apparent power and introduces the power factor concept. Applies power triangle analysis to single-phase AC load calculations.

Lesson 1 • Measurement Accuracy and Error Analysis

Addresses systematic and random measurement errors, instrument loading, and calibration. Ensures students produce reliable, repeatable measurements in professional settings.

Lesson 2 • Oscilloscope Operation and Waveform Analysis

Covers oscilloscope controls, probe calibration, triggering, and time/voltage scaling. Applies waveform capture to measure frequency, amplitude, and phase relationships.

Lesson 3 • LCR Meters and Component Testing

Demonstrates LCR meter use for measuring inductance, capacitance, and resistance accurately. Connects component verification to quality control and troubleshooting workflows.

Lesson 4 • Spectrum Analysers and Frequency Domain

Introduces frequency-domain analysis using spectrum analysers to identify harmonics and noise. Bridges time-domain oscilloscope skills to frequency-domain diagnostic techniques.

Lesson 1 • Active Filter Design

Designs low-pass, high-pass, band-pass, and notch filters using op-amps. Connects filter topology selection to signal conditioning and noise rejection requirements.

Lesson 2 • Operational Amplifier Circuits

Covers ideal op-amp assumptions and key configurations including inverting, non-inverting, and differential amplifiers. Applies virtual earth concept to circuit analysis.

Lesson 3 • Feedback Theory and Stability

Explains negative and positive feedback effects on gain, bandwidth, and stability. Uses Bode plots and phase margin to assess and ensure amplifier stability.

Lesson 4 • Oscillator and Waveform Generator Circuits

Analyses RC, LC, and crystal oscillator topologies and their frequency stability characteristics. Designs waveform generators producing sine, square, and triangle outputs.

Lesson 1 • Logic Gates and Combinational Circuits

Implements AND, OR, NOT, NAND, NOR, XOR gates and builds combinational logic functions. Designs multiplexers, decoders, encoders, and adder circuits from gate-level logic.

Lesson 2 • Logic Families and Interfacing

Compares TTL, CMOS, and LVDS logic families by speed, power, and voltage levels. Addresses interfacing between logic families and driving loads safely.

Lesson 3 • Flip-Flops and Sequential Logic

Introduces SR, D, JK, and T flip-flops as memory elements in sequential circuits. Analyses clock-driven behaviour and timing diagrams for sequential logic design.

Lesson 4 • Number Systems and Boolean Algebra

Converts between binary, octal, hexadecimal, and decimal number systems. Applies Boolean algebra and De Morgan's theorems to simplify logic expressions.

Lesson 1 • Power Semiconductor Devices

Examines SCRs, TRIACs, IGBTs, and power MOSFETs as switching elements in power circuits. Covers gate drive requirements, switching losses, and thermal management.

Lesson 2 • Inverters and AC Motor Drives

Covers single-phase and three-phase inverter topologies using PWM switching techniques. Connects inverter output to variable-frequency drive (VFD) control of AC motors.

Lesson 3 • DC Motors and Control

Explains DC motor construction, torque-speed characteristics, and armature control methods. Applies H-bridge and chopper circuits to achieve speed and direction control.

Lesson 4 • AC Induction Motors and Transformers

Analyses three-phase induction motor slip, torque production, and equivalent circuit. Reviews transformer losses, efficiency, and regulation for power distribution applications.

Lesson 1 • Sensor Interfacing and Signal Conditioning

Connects temperature, pressure, and motion sensors to microcontroller ADC inputs with proper conditioning. Applies amplification, filtering, and offset correction to raw sensor signals.

Lesson 2 • Embedded C Programming for Hardware Control

Applies C programming to configure registers, control GPIO, and manage interrupts on microcontrollers. Develops firmware skills directly applicable to sensor and actuator interfacing.

Lesson 3 • Real-Time Control and System Integration

Implements PID control loops and real-time scheduling in embedded firmware. Integrates sensors, actuators, and communication into a complete embedded control system.

Lesson 4 • Microcontroller Architecture and Peripherals

Describes CPU core, memory types, GPIO, timers, ADC, and communication peripherals in microcontrollers. Establishes the hardware foundation for all embedded programming tasks.