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大小:696.47 KB
页数:4页
时间:2019-06-01
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1、),·)-2010!"23#"8$ElectronicSci&Tech/Aug15,2010;<42M1O42P½3wx¾¶¿A9:,;,(¨Ã«O%&'(*úû#u&/,©ª¨Ã730070)=><ò=>S64ëChebyshev"]ï×yJ。RVPspice
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4、}þ$;PspiceÛÜ;Chebyshev]ï×+BCDEFTN7134GHIJKAGLMF1007-7820(2010)08-062-04TheDesignandImplementationoftheFourth
5、orderChebyshevActiveFilterWangHaode,ShiLin(SchoolofElectronicandInformationEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China)AbstractAnewfourthorderChebyshevactivefilterispresentedandsimulatedusingPspice.ThesimulationresultsshowthatthefourthorderChebyshevactivefilterhasahighoperat
6、ingstability.Keywordslowpassfilter;simulationanalysis;Pspicesoftware;ChebyshevfilterJ¦gB¿ocúPg.;«òó',!½E8;DE@ÎÌôþ"%,koÇÈ。júPg.;ª«+,m,'(A;F)úPRª«°OgBîRC'Ì%Bc,'n.Ç",¸Ô;Ç",úPÌÙWúP。@n.,(C1W。78GcüÉÇ,;úP¬õ¸g[b»"rNtX°,3«Uout(s)AupA(s)==(1)@Ç,n.Ç"Â_g[bNt;'w¿gB。Vi(s)1+s/ω0ChebyshevÝgBhi;mín.úP[1]
7、,Næ(1)ω0=2πf0=1/R3C1mühSn.,Aup=1+R1/tÌg[¸Sn;úP,jª«'('、ÚÿsR2üO×'gåÓ,o'Ý'gV-=-15V,t'm+,íî。V+=15V。4G°OgB;¸nh,(Æ,OrCAD/Pspiceõ'n.CptÀw^C2W。[2]_ë,ko';MNÇ。j';ÇÌÅDEm,^_2®Â'[,/>¡UÓÇ,«¨XDEKL。¸mProbeUb,^_jUÓ[èÑØ[]úP。p,z^_@>¡ª«þg.,ÔÕFo'hyc,Ç'hycÌ%åÓÇ,oôC。S^_@'>¡J¦;Ç,¿UÓ'Ç;Jqæ,^_@[3]UÓ[]/Çg.,_FoIÒ;úû。
8、²mDEi+,HìUb,>¡HMonteCarloÇ。1=ë϶]ï׬lîC2^",Twn.f0≥940kHz®,¸nh;^.ü20dB/10n,:{;ï±]ðñ,!"#$:20091104*.Î;u¸nhIðz,P«×ð´,(]%&'(:!"/%Á#67'()*+,(097GKCA052)[4]O×ØúP,¸:{ï±]ð§。y°Og)*+,:Ã$(1983-),F,GH45I。45JK:bcTúE。%](1984-),F,GH45I。45JK:BG¦,ɦKL9、yshev=.23w4HIz{10、),·)-beIJ;gB'。AA(jω)=(3)2ωω-()+j+1ω0Qω0>pEG¸nhGc。stC3mycRod^_EGf0=159Hz,EgBJ¸n·ª3dBW@+;n.hüO×kén.fcü15776kHz,(C4W。2=ë϶]ï×ûF¢+½¦°OgBîm»RCÌ%'c,'n.,(C3W。·,09:õf0ý¹;[5]'gåÓdFJ,gs'Ý°OgB。gs'gÝ'ÄJF)vw、°FGvw;hý,@4ë϶]ï×ûF¢[6]þh;.Îu±KL]ð°,(C3W。îC4^",¸nhjf=15kHz¹WXHFÁ,FÁÑ;'~ÃÛN>p^¦11、<'i。üH^_ëf=f0¹¹.Î;rA,¸nhaA·ªï.ü40dB/10n,ï±üg';2。3ô,¦°OgB¦ö§¨,Æ[4])r<¿²;Rµ。hC;ß]ð°,îC4^"¸+;ß-146~-158dB,¸nßh¸±ßT°,@ÉIJ;KLM:{ï±ñ、'i¦qÏz¿¬KIÝgBTk3ë϶]ï׬lo,(4ChebyshevÝgB。R121)¡<42M1O42P½Aup=1+,ω0=,TR4=R3,C1=R2R4R3C1C24ChebyshevÝgBî4»'、6»'v1C2®,';£P&cQ=2,
9、yshev=.23w4HIz{
10、),·)-beIJ;gB'。AA(jω)=(3)2ωω-()+j+1ω0Qω0>pEG¸nhGc。stC3mycRod^_EGf0=159Hz,EgBJ¸n·ª3dBW@+;n.hüO×kén.fcü15776kHz,(C4W。2=ë϶]ï×ûF¢+½¦°OgBîm»RCÌ%'c,'n.,(C3W。·,09:õf0ý¹;[5]'gåÓdFJ,gs'Ý°OgB。gs'gÝ'ÄJF)vw、°FGvw;hý,@4ë϶]ï×ûF¢[6]þh;.Îu±KL]ð°,(C3W。îC4^",¸nhjf=15kHz¹WXHFÁ,FÁÑ;'~ÃÛN>p^¦
11、<'i。üH^_ëf=f0¹¹.Î;rA,¸nhaA·ªï.ü40dB/10n,ï±üg';2。3ô,¦°OgB¦ö§¨,Æ[4])r<¿²;Rµ。hC;ß]ð°,îC4^"¸+;ß-146~-158dB,¸nßh¸±ßT°,@ÉIJ;KLM:{ï±ñ、'i¦qÏz¿¬KIÝgBTk3ë϶]ï׬lo,(4ChebyshevÝgB。R121)¡<42M1O42P½Aup=1+,ω0=,TR4=R3,C1=R2R4R3C1C24ChebyshevÝgBî4»'、6»'v1C2®,';£P&cQ=2,
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