Basic Electronics Course

Lesson 1 • Atomic Structure and Electric Charge

Covers protons, electrons, and the origin of electric charge. Provides the physical basis for understanding current flow and material conductivity.

Lesson 2 • Ohm's Law and Power

Derives Ohm's Law and the power equation from first principles. Students apply these relationships to calculate unknowns in simple circuits.

Lesson 3 • Voltage, Current, and Resistance

Defines the three fundamental electrical quantities and their units. Connects these quantities to real-world circuit behaviour.

Lesson 1 • Inductors and Magnetic Principles

Covers inductance, magnetic fields, and energy storage in coils. Establishes the foundation for understanding transformers and AC reactance.

Lesson 2 • Capacitors: Storage and Behaviour

Explains capacitance, dielectric materials, and charge/discharge behaviour. Links capacitor properties to filtering and timing applications.

Lesson 3 • Diodes and Basic Semiconductor Devices

Introduces P-N junction behaviour, diode characteristics, and common diode types. Prepares students for rectifier and protection circuit design.

Lesson 4 • Resistors: Types and Characteristics

Examines fixed, variable, and specialty resistors along with tolerance and power ratings. Connects resistor selection to circuit performance requirements.

Lesson 1 • Kirchhoff's Laws

States KVL and KCL and applies them to multi-loop circuits. These laws form the basis for all systematic circuit analysis methods.

Lesson 2 • Series and Parallel Resistor Circuits

Derives equivalent resistance formulas for series and parallel configurations. Students calculate voltage, current, and power in each topology.

Lesson 3 • Thevenin and Norton Theorems

Simplifies complex networks into equivalent two-terminal models. Enables rapid load analysis without re-solving the entire circuit.

Lesson 4 • Mesh and Node Analysis

Applies mesh current and node voltage methods to complex resistive networks. Reduces circuit equations to efficient matrix-solvable form.

Lesson 1 • AC Power Analysis

Distinguishes real, reactive, and apparent power and defines power factor. Students calculate power quantities and understand power factor correction.

Lesson 2 • Phasor Representation and Complex Impedance

Transforms sinusoidal quantities into phasors and defines impedance for R, L, and C. Enables algebraic treatment of AC circuit equations.

Lesson 3 • AC Circuit Analysis with KVL and KCL

Applies Kirchhoff's laws in the phasor domain to solve AC circuits. Extends mesh and node methods to complex impedance networks.

Lesson 4 • Resonance in RLC Circuits

Analyses series and parallel resonance conditions and quality factor. Connects resonance behaviour to filter and tuning circuit design.

Lesson 1 • Linear Voltage Regulator ICs

Introduces three-terminal linear regulator ICs for fixed and adjustable outputs. Covers thermal management and bypass capacitor requirements.

Lesson 2 • Clipper and Clamper Circuits

Constructs diode clipping and clamping circuits for waveform shaping. Predicts output waveforms for various input signals and bias conditions.

Lesson 3 • Rectifier Circuit Configurations

Analyses half-wave, full-wave, and bridge rectifier topologies. Calculates output voltage, ripple, and diode stress for each configuration.

Lesson 4 • Filtering and Ripple Reduction

Uses capacitor and LC filters to smooth rectified output. Quantifies ripple voltage and selects filter components for target ripple specifications.

Lesson 1 • Multistage Amplifier Design

Cascades amplifier stages to achieve higher gain and optimised impedance matching. Analyses overall gain, bandwidth, and loading effects between stages.

Lesson 2 • BJT Biasing and DC Operating Point

Establishes stable Q-point using voltage divider and emitter feedback biasing. Correct biasing prevents distortion and ensures linear amplification.

Lesson 3 • Frequency Response of Amplifiers

Analyses low-frequency and high-frequency roll-off caused by coupling and parasitic capacitances. Students plot Bode diagrams and identify bandwidth limits.

Lesson 4 • Small-Signal BJT Amplifier Analysis

Uses the hybrid-pi model to analyse common-emitter, common-base, and common-collector configurations. Calculates voltage gain and impedance for each topology.

Lesson 1 • Integrators, Differentiators, and Active Filters

Implements op-amp integrator and differentiator circuits and extends them to active filter designs. Covers low-pass, high-pass, and band-pass Butterworth filter topologies.

Lesson 2 • Summing, Difference, and Instrumentation Amplifiers

Builds summing and difference amplifier circuits for signal mixing and rejection. Introduces the instrumentation amplifier for high-CMRR differential sensing.

Lesson 3 • Comparators and Waveform Generators

Uses op-amps as comparators with hysteresis and builds oscillator circuits. Generates square, triangular, and sine waveforms using feedback networks.

Lesson 4 • Ideal Op-Amp Characteristics

Defines ideal op-amp parameters and applies virtual short and virtual open rules. These rules simplify analysis of all feedback-based op-amp circuits.

Lesson 1 • Karnaugh Maps and Logic Minimisation

Uses Karnaugh maps to minimise sum-of-products and product-of-sums expressions. Reduces gate count and propagation delay in combinational circuit designs.

Lesson 2 • Combinational Logic Circuit Design

Designs encoders, decoders, multiplexers, demultiplexers, and adder circuits. Implements specified truth tables using minimised gate-level logic.

Lesson 3 • Sequential Logic and Flip-Flops

Introduces SR, D, JK, and T flip-flops and their timing characteristics. Builds registers and counters as foundational sequential circuit elements.

Lesson 4 • Logic Gates and Boolean Algebra

Defines AND, OR, NOT, NAND, NOR, XOR gate operations and Boolean laws. Applies Boolean algebra to simplify logic expressions before implementation.