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()0NOBTC-PS/8 FOCAL, 1971?MB1BAC DIMENSIONIEREN EINES BUTTERWORTH-AKTIV-BANDFILTERS?MF*BEC NACH "ELEKTRONIK" 1975/HEFT 3/SEITE 91-92?ML$BOT " WIDERSTAENDE IN [OHM] - KAPAZITAETEN IN [FARAD]",!?MDAB^S C(5)=2.2;S C(6)=2.7;S C(7)=3.3;S C(8)=3.9?MD[BS C(9)=4.
;S C(10)=5.6;S C(11)=6.8;S C(12)=8.2?MD0B(A "  UNTERE ECKFREQUENZ [HZ] : ",UE?MGJB)A "   OBERE ECKFREQUENZ [HZ] : ",OE?METB-F I=1,12;S C(I)=CF*C(I)?MFGB2S BT=OE-UE;S V0=FSQT(UE*OE);S DE=BT/V0?MMHB<S DQ=(DE-D)*(DE+D);S AL=FSQT(DQ*.5)+FSQT(DQ*.25+1.)?ME*B7S
DW=FSQT(16.+DE^4);S D=FSQT((4.+DE^2-DW)/2.)?MG CFF I=1,12;D 2?MCJBJT !!,"DIMENSIONIEREN EINES BUTTERWORTH-AKTIV-BANDFILTER",!?MEEB*A "        KAPAZITAETSFAKTOR : ",CF,!!?MG=CKT "      VERSTAERKUNG DES ERSTEN ABSCHNITTS =",V3,!?MHZCLT "     VERSTAERKUNG DE
 ZWEITEN ABSCHNITTS =",V4,!?MH7CMT "                      GESAMTVERSTAERKUNG =",VG,!?MITCNT "  RESONANZFREQUENZ DES ERSTEN ABSCHNITTS =",V1,!?MI1COT " RESONANZFREQUENZ DES ZWEITEN ABSCHNITTS =",V2,!?MJNCPT "                  GESAMTRESONANZFREQUENZ =",V0,!
MM^CQT "RELATIVE BANDBREITE DER EINZELABSCHNITTE =",D,!!;Q?MJ:DBS R2=1./(D*PI*V2*C(I))?MKSDCS W1=1./(R1*((2.*PI*V1*C(I))^2-1./(R1*RA)))?MK,DDS W2=1./(R2*((2.*PI*V2*C(I))^2-1./(R2*RA)))?MK?DES V1=R1/(RA+RA);S V2=R2/(RA+RA)?MM8DFS VG=(R1*R2)/(8.*RA^2)?MDHT 
W1 ="W1,"  W2 =",W2,"   C =",C(I),!!?ML.BTF I=1,49;T "-"?MC(BYT !;S C(1)=1.;S C(2)=1.2;S C(3)=1.5;S C(4)=1.8?MF!CAS V1=V0*AL;S V2=V0/AL;S PI=3.141592654?MJ,DAS RA=1./(2.*PI*BT*C(I));S R1=1./(D*PI*V1*C(I))?MLMDGT %,"RA =",RA,"  R1 =",R1,"  R2 =",R2,!?M*CL 
 BAB?M?=",RA,"  R1 =",R1,"  R2 =",R2,!??M*C(I))?M2654?M.8?MR2,!?M(R2*RA)))?)))?C(I))?E =",D,!!;Q?C: HELP PRINTOUT?MO,JJT !!!"ANSWER BY TYPING THE CODES TO RETAIN THE FEATURES:"!!?MO8JTT "1  SIN & COS"!?MPKJ^T "2  SIN, C

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