Filters basics

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Filter basics

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Sinusoidal Steady-state Analysis

ELE205 Electronics 2

Filters-1Linga Reddy CenkeramaddiDepartment of ICTUiA, GrimstadJanuary 2015

1FILTERS2FilterThe purpose of a filter is to pass signals of certain frequencies,3The purpose of a filter is to pass signals of certain frequencies, and stop other frequencies.Filter4Frequency Response Plot

5Filter Parameters

6Frequency Response Plot

7Frequency Response Plot

8Frequency Response Plot

9Phase Parameters and critical frequency, fo

10Frequency Response - phase vs frequency

11Frequency Response - phase vs frequency

12Frequency Response - phase vs frequency

13Roll - off Rate dB/decade

14Roll - off Rate dB/decade

15Roll - off Rate dB/octave

16? Pass Filter

Gain (dB)(17Low Pass Filter

Gain (dB)(18?High Pass Filter19High Pass Filter

Gain (dB)(20?Band Pass Filter21Band Pass Filter

Gain (dB)2222? Filter

Gain (dB)23Notch (Band Stop) Filter

Gain (dB)2425


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