
Shows the math of a first order RC low pass filter. Visualizes the poles in the Laplace domain. Calculates and visualizes the step and frequency response.

Derives the unit step response of RC low-pass filter.

Derives the frequency response of RC low-pass filter using the Laplace transform.

GNU/Octave code used for simulations.

Shows the traditional method to solve the differential equation for passive filters consisting of a resistor and capacitor in series.