Module 3.16 Filters

Filters is cover under the syllabus in module 3.16 at level 1 It covers operation, application and uses of 4 types of filters, low pass, high pass, band pass and band stop. A Low pass. The following video explain the
low pass filter.


F(cutoff) = 1/2(pfi)RC

A. About filters - What is a filter.
In the basic science in school, we learn about filter that was used to separate a liquid and the solid impurities. In electronics, the same concept is used. A filter is to separate different signals of different frequencies. The easiest to visualize is in the music, the filters used to divert different signals to different speakers.

B. Filters - EASA syllabus
Under module 3.6, The topic "Filters" is at level 1 and include its Operation, application and uses of the these  filters: low pass, high pass, band pass, band stop.

- Low pass filter - a filter that allows the signal below a certain frequency to pass through unchanged.The point to start the change is the cut-off point.

- High pass filter - a filter that allows the signal above a certain point to pass through unchanged.