FIR 

Digital Filter Design


Window Functions Filters

 

a)    Low Pass Filter, Cutoff Frequency = 1250Hz, Filter Length = 71, Rectangular Window. (Impulse Response)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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b)    High Pass Filter, Cutoff Frequency = 2420Hz, Filter Length = 170, Hanning Window. (Magnitude Response)

 

 

 

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c)    Band Pass Filter, Band Pass Frequency = 900 - 2780Hz, Filter Length = 59, Beta = 4, Kaiser Window. (Logarithmic Magnitude Response)

 

 

 

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d)    Band Stop Filter, Band Stop Frequency = 1420 - 2550Hz, Filter Length = 63, Blackmann Window. (Phase Response)

 

 

 

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e)    Low Pass Filter, Cutoff Frequency = 1830Hz , Transition Width = 550, Hamming Window. (Impulse Response)

 

 

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f)    Band Pass Filter, Band Pass Frequency = 860 - 1930Hz, Transition Width = 330, Hanning Window. (Logarithmic Magnitude Response)

 

 

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g)    Hilbert Transformer Filter, Filter Length = 69, Beta = 5, Kaiser Window. (Logarithmic Magnitude Response)

 

 

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