diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3547/CH7/EX7.6/EX7_6.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3547/CH7/EX7.6/EX7_6.sce')
| -rw-r--r-- | 3547/CH7/EX7.6/EX7_6.sce | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/3547/CH7/EX7.6/EX7_6.sce b/3547/CH7/EX7.6/EX7_6.sce new file mode 100644 index 000000000..c73fcf63b --- /dev/null +++ b/3547/CH7/EX7.6/EX7_6.sce @@ -0,0 +1,48 @@ +// Example 7.6
+// Compuatation of the Q-factor.
+//
+// Page no. 327
+
+clc;
+clear;
+close;
+
+//Given data
+alpha=0.18; // Fiber loss coefficient
+L=190; // Fiber length
+G=20; // Gain of preamplifier
+lambda=1.55*10^-6; // Operating wavelength
+h=6.63*10^-34; // Planck constant
+n=1.409;
+G1=10^(G/10);
+f0=20*10^9;
+R=1.1;
+q=1.6*10^-19;
+fe=7.5*10^9;
+Pi=1; // Input power
+c=3*10^8; // Velocity of light
+k=1.38*10^-23;
+T=298;
+Rl=200;
+
+// The Q factor
+l=alpha*L;
+Po=Pi-l+G;
+Po=10^(Po/10)*10^-3;
+f=c/lambda;
+r=h*f*(G1-1)*n;
+fn=2*n;
+fn=10^(fn/10);
+I1=R*Po+2*r*f0;
+I0=2*R*r*f0;
+o1=(2*q*I1*fe)+((4*k*T*fe)/Rl)+(2*R^2*r*(2*Po*fe+r*(2*f0-fe)*fe));
+o2=(2*q*I0*fe)+((4*k*T*fe)/Rl)+(2*R^2*r^2*(2*f0-fe)*fe);
+Q=(I1-I0)/(sqrt(o1)+sqrt(o2));
+
+//Displaying the result in command window
+
+printf("\n Q factor= %0.3f ",Q);
+
+// The answer vary due to round off error
+
+
|