From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 929/CH3/EX3.20/Example3_20.sce | 55 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 929/CH3/EX3.20/Example3_20.sce

(limited to '929/CH3/EX3.20/Example3_20.sce')

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
-- 
cgit