Electrical and Electronic Circuits Course

Lesson 1 • Kirchhoff's Laws

Presents KVL and KCL as universal conservation laws governing circuit behaviour. Enables systematic equation writing for any network topology.

Lesson 2 • Charge, Current, and Voltage

Introduces atomic structure, electron flow, and the definitions of charge, current, and voltage. Establishes the physical basis for all subsequent circuit analysis.

Lesson 3 • Power and Energy in Circuits

Derives power dissipation formulas and energy calculations for resistive elements. Links electrical power to thermal and mechanical equivalents.

Lesson 4 • Resistance and Ohm's Law

Defines resistance, conductance, and the linear relationship between voltage and current. Connects material properties to practical resistor behaviour.

Lesson 1 • Superposition and Source Transformation

Applies superposition to isolate individual source contributions and source transformation to simplify mixed networks. Builds analytical flexibility.

Lesson 2 • Series and Parallel Resistor Networks

Derives equivalent resistance formulas for series and parallel combinations. Provides the simplification tools needed before tackling full network analysis.

Lesson 3 • Node-Voltage Method

Establishes a reference node and writes KCL equations in terms of node voltages. Reduces complex networks to a solvable system of linear equations.

Lesson 4 • Thevenin and Norton Equivalent Circuits

Reduces any linear two-terminal network to a single source and resistance. Enables efficient load analysis and maximum power transfer calculations.

Lesson 1 • Capacitor Fundamentals

Defines capacitance, dielectric properties, and the integral v-i relationship. Establishes how capacitors store and release electric field energy.

Lesson 2 • Second-Order RLC Circuits

Analyses series and parallel RLC circuits using second-order differential equations. Introduces overdamped, critically damped, and underdamped response types.

Lesson 3 • First-Order RL Circuits

Derives natural and step responses for RL circuits and compares them to RC behaviour. Reinforces time-constant concepts with inductive elements.

Lesson 4 • Inductor Fundamentals

Defines inductance, magnetic flux linkage, and the derivative v-i relationship. Shows how inductors store and release magnetic field energy.

Lesson 1 • Impedance and Admittance

Extends resistance to complex impedance for capacitors and inductors. Enables direct application of Ohm's Law and network theorems in the phasor domain.

Lesson 2 • Sinusoidal Sources and Phasors

Defines sinusoidal waveform parameters and introduces phasor representation. Transforms time-domain sinusoids into complex-number phasors for algebraic analysis.

Lesson 3 • Resonance in AC Circuits

Analyses series and parallel resonance conditions, bandwidth, and quality factor. Connects resonance theory to filter and tuning circuit applications.

Lesson 4 • AC Network Analysis Methods

Applies node-voltage and mesh-current methods to phasor-domain circuits. Transfers all DC analysis techniques directly to AC steady-state problems.

Lesson 1 • Transfer Functions and Frequency Response

Defines the transfer function as a ratio of output to input phasors. Establishes the mathematical framework for frequency-domain circuit characterisation.

Lesson 2 • Filter Performance and Specifications

Evaluates filter roll-off rate, passband ripple, and stopband attenuation against design specs. Prepares students to select appropriate filter topologies for real applications.

Lesson 3 • Bode Plot Construction

Develops asymptotic Bode magnitude and phase plots from transfer function factors. Provides a rapid graphical tool for visualising filter behaviour.

Lesson 4 • Passive Low-Pass and High-Pass Filters

Designs RC and RL first-order low-pass and high-pass filters and calculates cutoff frequencies. Connects transfer function analysis to practical signal conditioning.

Lesson 1 • Zener Diodes and Voltage Regulation

Explains Zener breakdown and designs simple shunt voltage regulators. Introduces line and load regulation as performance metrics.

Lesson 2 • Semiconductor Physics Fundamentals

Covers intrinsic and extrinsic semiconductors, doping, and carrier transport. Provides the physical foundation for understanding p-n junction behaviour.

Lesson 3 • P-N Junction and Diode Models

Analyses depletion region formation, forward and reverse bias, and the diode equation. Introduces ideal, constant-voltage-drop, and small-signal diode models.

Lesson 4 • Rectifier Circuits

Designs half-wave and full-wave rectifier circuits with and without filter capacitors. Calculates ripple voltage and average DC output for power supply applications.

Lesson 1 • BJT Biasing and DC Analysis

Designs fixed-bias, voltage-divider, and emitter-stabilised bias circuits for stable Q-point. Analyses thermal stability and bias sensitivity.

Lesson 2 • BJT Structure and DC Operation

Describes NPN and PNP transistor structure, operating regions, and the current gain parameter. Establishes the DC large-signal model for biasing analysis.

Lesson 3 • MOSFET Structure and DC Operation

Describes enhancement and depletion MOSFET structures, threshold voltage, and drain current equations. Establishes the DC operating point for FET circuits.

Lesson 4 • MOSFET Amplifier Configurations

Analyses common-source, common-gate, and common-drain MOSFET amplifiers using the small-signal model. Compares FET and BJT amplifier performance characteristics.

Lesson 1 • Inverting and Non-Inverting Amplifiers

Derives gain expressions for inverting and non-inverting configurations using the virtual short method. Covers summing amplifier and difference amplifier extensions.

Lesson 2 • Integrator and Differentiator Circuits

Designs op-amp integrator and differentiator circuits and analyses their frequency-domain behaviour. Connects these circuits to analogue signal processing and waveform generation.

Lesson 3 • Comparators and Nonlinear Op-Amp Circuits

Analyses open-loop comparator operation and Schmitt trigger hysteresis for noise immunity. Introduces precision rectifiers and peak detectors as nonlinear applications.

Lesson 4 • Practical Op-Amp Limitations

Examines finite gain-bandwidth product, slew rate, offset voltage, and bias current effects. Teaches compensation techniques to meet real-world performance requirements.