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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/CH3/EX3.20/Example3_20.sce | |
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Diffstat (limited to '929/CH3/EX3.20/Example3_20.sce')
| -rwxr-xr-x | 929/CH3/EX3.20/Example3_20.sce | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/929/CH3/EX3.20/Example3_20.sce b/929/CH3/EX3.20/Example3_20.sce new file mode 100755 index 000000000..64bd6663c --- /dev/null +++ b/929/CH3/EX3.20/Example3_20.sce @@ -0,0 +1,55 @@ +//Example 3.20
+
+clear;
+
+clc;
+
+f0=1*10^3;
+
+fz=2*10^3;
+
+Q=10;
+
+C=10*10^(-9);//Assume C=10 nF
+
+R=(1/(2*%pi*f0*C))-120;
+
+w0=2*%pi*f0;
+
+wz=2*%pi*fz;
+
+R1=Q*R;
+
+R2=100*10^3;//Assumption
+
+R3=R2;
+
+R4num=R2*(w0^2);
+
+R4den=Q*abs((w0^2)-(wz^2));
+
+R4=R4num/R4den;
+
+R5=R2*((w0/wz)^2);//as fz>f0
+
+Hohp=R5/R2;
+
+HohpdB=20*log10(Hohp);
+
+printf("\nDesigned Biquad Filter for a low pass notch response :");
+
+printf("\nR=%.2f kohms",R*10^(-3));
+
+printf("\nR1=%.f kohms",R1*10^(-3));
+
+printf("\nR2=%.2f kohms",R2*10^(-3));
+
+printf("\nR3=%.2f kohms",R3*10^(-3));
+
+printf("\nR4=%.2f kohms",R4*10^(-3));
+
+printf("\nR5=%.2f kohms",R5*10^(-3));
+
+printf("\nC=%.2f nF",C*10^9);
+
+printf("\n\nHigh Frequency Gain (Hohp)=%.2f dB",HohpdB);
\ No newline at end of file |