Filters 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