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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /929/CH4/EX4.7/Example4_7.sce | |
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Diffstat (limited to '929/CH4/EX4.7/Example4_7.sce')
| -rwxr-xr-x | 929/CH4/EX4.7/Example4_7.sce | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/929/CH4/EX4.7/Example4_7.sce b/929/CH4/EX4.7/Example4_7.sce new file mode 100755 index 000000000..3e697a91c --- /dev/null +++ b/929/CH4/EX4.7/Example4_7.sce @@ -0,0 +1,139 @@ +//Example 4.7
+
+clear;
+
+clc;
+
+f01=3460.05;
+
+fz1=3600;
+
+Q1=31.4;
+
+f02=3745;
+
+fz2=3600;
+
+Q2=31.4;
+
+f03=3600;
+
+fz3=3600;
+
+Q3=8.72;
+
+//The answer of the Example 4.7 is not given in the textbook
+
+//The filter is designed using three biquad sections, namely, a high pass notch, followed by a low pass notch, followed by a symmetric notch.
+
+//Ist(High pass notch Biquad section)
+
+C=10*10^(-9);
+
+w01=2*%pi*f01;
+
+wz1=2*%pi*fz1;
+
+R1=1/(2*%pi*f01*C);
+
+R11=Q1*R1;
+
+R21=100*10^3;
+
+R31=100*10^3;
+
+R41num=R21*(w01^2);
+
+R41den=Q1*abs((w01^2)-(wz1^2));
+
+R41=R41num/R41den;
+
+R51=R21;//as fz1<f01
+
+Rex1=14.7*10^3;
+
+Rex1pot=5*10^3;
+
+//IInd Stage (low pass notch biquad stage)
+
+w02=2*%pi*f02;
+
+wz2=2*%pi*fz2;
+
+R2=1/(2*%pi*f02*C);
+
+R12=Q1*R2;
+
+R22=100*10^3;
+
+R32=100*10^3;
+
+R42num=R22*(w02^2);
+
+R42den=Q2*abs((w02^2)-(wz2^2));
+
+R42=R42num/R42den;
+
+R52=R22*((w02/wz2)^2);//as fz2>f02
+
+Rex2=11.8*10^3;
+
+Rex2pot=5*10^3;
+
+//IIIrd Stage (Symmetric Notch Section)
+
+L13=0.84304;
+
+C13=0.62201;
+
+CC130=C13/(2*%pi*f03);
+
+CL130=L13/(2*%pi*f03);
+
+C03=10*10^(-6);//Assumption
+
+CC13=CC130*C03;
+
+CL13=CL130*C03;
+
+printf("Designed Chebyshev Band Reject Filter :");
+
+printf("\nStage I(High pass notch Biquad section)");
+
+printf("\nR=%.2f kohms",R1*10^(-3));
+
+printf("\nR1=%.2f kohms",R11*10^(-3));
+
+printf("\nR2=%.2f kohms",R21*10^(-3));
+
+printf("\nR3=%.2f kohms",R31*10^(-3));
+
+printf("\nR4=%.2f kohms",R41*10^(-3));
+
+printf("\nR5=%.2f kohms",R51*10^(-3));
+
+printf("\nC=%.2f nF",C*10^9);
+
+printf("\n\nStage II(Low pass notch Biquad section)");
+
+printf("\nR=%.2f kohms",R2*10^(-3));
+
+printf("\nR1=%.2f kohms",R12*10^(-3));
+
+printf("\nR2=%.2f kohms",R22*10^(-3));
+
+printf("\nR3=%.2f kohms",R32*10^(-3));
+
+printf("\nR4=%.2f kohms",R42*10^(-3));
+
+printf("\nR5=%.2f kohms",R52*10^(-3));
+
+printf("\nC=%.2f nF",C*10^9);
+
+printf("\n\nStage III(Symmetric Notch Section)");
+
+printf("\nC0=%.2f uF",C03*10^(6));
+
+printf("\nCC1=%.2f pF",CC13*10^(12));
+
+printf("\nCL1=%.2f pF",CL13*10^(12));
\ No newline at end of file |