Butterworth Filter Design
The aim of this experiment was to design a Butterworth filter.In this experiment a scilab code was developed to design a digital butterworth filter by accepting the following specifications:
1. Pass band attenuation(Ap)
2. Pass band frequency(Fp in hz)
3. Stop band attenuation(As)
4. Stop band frequency(Fs in Hz)
5. Sampling frequency(Fs in Hz)
1. Pass band attenuation(Ap)
2. Pass band frequency(Fp in hz)
3. Stop band attenuation(As)
4. Stop band frequency(Fs in Hz)
5. Sampling frequency(Fs in Hz)
Analog filter was first designed according to the input specifications. After designing the analog filter, digital was designed using BLT method. The values of Ap and As were verified from the obtained magnitude response and it was observed.
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