If it is the first time you are using this software I advice you to read the help page or by clicking on the button Help.

The goal of this page is to help students when they design filters so they can see what they actually do.
This was under the supervising of professor Timo Rahkonen.
Here you can find a resume of myself and a link to my school of engineering
I would like to thanks professor Lappalainen who gave me the opportunity to work  for the university

Warning: it appeared that if you are using a PC the drag option has some problems, but if you are using a unix session everything is fine.

 Link to a simulation of transien response of a 2nd order low pass filter: step response