bitGateLab Analog · Learn
English
Open the simulator

Learn Electric Circuits and Analog Electronics

Circuit analysis and analog electronics topics explained from scratch, with worked numerical examples and exercises with answers. Each topic ends with a hands-on activity to measure in the simulator.

  1. 1Ohm's Law and Electric Power: A Guide with ExamplesLearn Ohm's law, how to calculate the power in a resistor, read the resistor color code and choose the right power rating, with worked examples.
  2. 2Kirchhoff's Laws: Currents, Voltages and a Two-Mesh ExampleLearn Kirchhoff's current law and voltage law, the sign convention, and how to solve a two-mesh circuit step by step.
  3. 3Series and Parallel Resistors, Dividers and the Loading EffectCalculate series and parallel resistances, design voltage and current dividers, and understand the loading effect, with worked examples.
  4. 4Nodal and Mesh Analysis Step by Step, with a Worked ExampleSet up and solve systems of equations with nodal and mesh analysis: a systematic method, matrix form and a complete three-node example.
  5. 5Thévenin, Norton and Superposition with Worked ExamplesReduce any network to its Thévenin or Norton equivalent, apply the superposition principle and calculate maximum power transfer.
  6. 6Capacitors, Inductors and RC and RL Circuits: The Time Constant τUnderstand capacitors and inductors, RC charging and discharging, the RL circuit and the time constant τ, with the step response and numerical values.
  7. 7Alternating Current and Phasors: Sine Waves, RMS and ImpedanceLearn to describe a sinusoidal signal, find its RMS value, use phasors and get the impedance of R, L and C, with an RC circuit solved step by step.
  8. 8RC Low-Pass and High-Pass Filters and Bode PlotsCalculate the cutoff frequency of an RC filter, express its gain in decibels and draw the magnitude and phase Bode plot, with worked examples.
  9. 9Resonance in Series and Parallel RLC CircuitsCalculate the resonant frequency, the quality factor Q and the bandwidth of series and parallel RLC circuits, with worked numerical examples.
  10. 10The Ideal Operational Amplifier and Its Basic ConfigurationsMaster the golden rules of the ideal op-amp and analyze inverting, non-inverting, follower, summing and difference amplifiers, with examples.
  11. 11Diodes, Rectifiers, Capacitor Filters and the Zener RegulatorLearn the diode models, half-wave and bridge rectifiers, the ripple of a capacitor filter and how to design a Zener diode regulator.
  12. 12How to Use an Oscilloscope: Scales, Triggering and MeasurementsSet V/div and s/div, configure the trigger and measure amplitude, period, frequency and phase shift between two channels, with DC or AC coupling.