Electronic Devices
Transport in semiconductors: drift, diffusion and recombination
Mobility and drift current, resistivity, diffusion and Fick's law, the Einstein relation with proof, lifetime, LEDs, the continuity equation and diffusion length.
Category
Third Year
Third-year subjects, where electronics begins: circuit theory, electromagnetic fields, signals, automatic control, electronic devices, technical physics and structural mechanics.
116 articles
Electronic Devices
Semiconductors: energy bands, electrons and holes, doping
The silicon crystal, electrons and holes, energy bands and the gap, intrinsic concentration, n and p doping, the mass action law with…
Electrical Engineering
Two-port networks, mutual inductance and the ideal transformer
Z, Y, hybrid and transmission parameters, reciprocity, coupled inductors with proof that k ≤ 1, the ideal transformer and impedance transformation.
Electrical Engineering
Three-phase systems: star, delta and power
The balanced set and its zero sum, star and delta connections, phase and line voltages, three-phase power, constant instantaneous power and the…
Electrical Engineering
Frequency response, RC filters, Bode plots and resonance
The frequency response function, RC low-pass and high-pass filters, decibels and Bode plots, higher-order filters, resonance and band-pass.
Electrical Engineering
Power in sinusoidal steady state: active, reactive, apparent and power factor correction
Instantaneous power, active, reactive and apparent power, complex power, Boucherot's theorem, power factor, power factor correction calculation and PFC in power supplies.
Electrical Engineering
Transients in first-order RC and RL circuits
The first-order equation, the general solution with time constant, initial and final values, an example, overvoltage when an inductor is switched off,…
Electrical Engineering
Superposition, Thevenin and Norton theorems, maximum power transfer
The superposition principle, Thevenin's theorem with proof, Norton, maximum power transfer with proof, equivalents and measurements.
Electrical Engineering
Nodal analysis and mesh analysis
The node voltage method with an example, the matrix form, mesh analysis, dependent sources and checking the power balance.
Electrical Engineering
Kirchhoff's laws, series and parallel, dividers and the Wheatstone bridge
Nodes, branches and loops, the current and voltage laws, number of independent equations, series and parallel, dividers, star-delta transformation, Wheatstone bridge.