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FI LTERS: I NTRODUCTI ON: I nsi gnal pr ocessi ng, a  f i l t er   i sadev i ceorpr ocesst hatr emov essome unwant edcomponent sorf eat ur esf r om asi gnal .   Fi l t er i ng  i sacl assof si gnal pr ocessi ng, t hedef i ni ngf eat ur eof   f i l t er s  bei ngt hecompl et eor par t i al suppr essi onofsomeaspectoft hesi gnal Ty pesoff i l t er s: 1.DI GI TAL 2.ANALOG TYPESI NANALOG: 1.ACTI VE 2.PASSI VE TYPESI NACTI VE: 1.BUTTERWORTH 2.CHEBYSHEW TYPESOFFI LTERS( BASEDONORDER) PRI MARY: 1.FI RSTORDER 2.SECONDORDER SECONDARY: 1.THI RDORDER 2.FOURTHORDERANDSOON

So, byusi ngpr i mar yf i l t er swebui l dt hesecondar yf i l t er s.Ast heor derof t hef i l t eri ncr easest hechar ect ar i st i csoft heopampbecomei deal .

LOW PASSFI LTER( FI RSTORDER) CI RCUI TDI AGRAM:

OUTPUT:

FREQUENCYANALYSI S:

SECONDORDERLOW PASSFI LTER: CI RCUI TDI AGRAM:

FREQUENCYANALYSI S:

HI GHPASSFI LTER( FI RSTORDER) CI RCUI TDI AGRAM:

FREQUENCYRESPONSE

HI GHPASSFI LTER( SECONDORDER) CI RCUI TDI AGRAM:

FREQUENCYRESPONSE:

CONCLUSI ON: Fr om t heabov egr aphsoft hef r equencyr esponseswecanseet hat t hechar ect ar i st i csgocl osert ot hei deal casei nbot hhi ghpassand l owpassf i l t er s.