This video shows the steps to design the simple low pass filter in Simulink. In this video RC filter (Resistance – Capacitance filter) concept and equation is explained.

In this video the filter is designed using just basic Simulink blocks and no other additional toolbox is needed to follow this video.

[Model Images]

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What is the cut off?

Cut off frequency for LPF is fc = 1/2*pi*RC. So, in the Simulink model based on the values of R (Resistance) and C (Capacitance), fc ( Cut off frequency) values can be calculated.

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