FILTERS. Filter The purpose of a filter is to pass signals of certain frequencies,

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Presentation transcript:

FILTERS

Filter The purpose of a filter is to pass signals of certain frequencies,

The purpose of a filter is to pass signals of certain frequencies, and stop other frequencies. Filter

Frequency Response Plot

Amplitude Parameters

Frequency Response Plot

Phase Parameters f o critical frequency

Frequency Response - phase vs frequency

Roll - off Rate dB/decade

Roll - off Rate dB/octave

? Pass Filter

Low Pass Filter

High Pass Filter ?

Band Pass Filter ?

? Filter

Notch (Band Stop) Filter

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