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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3547/CH6/EX6.3 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3547/CH6/EX6.3')
| -rw-r--r-- | 3547/CH6/EX6.3/EX6_3.png | bin | 0 -> 24487 bytes | |||
| -rw-r--r-- | 3547/CH6/EX6.3/EX6_3.sce | 99 |
2 files changed, 99 insertions, 0 deletions
diff --git a/3547/CH6/EX6.3/EX6_3.png b/3547/CH6/EX6.3/EX6_3.png Binary files differnew file mode 100644 index 000000000..f360fe551 --- /dev/null +++ b/3547/CH6/EX6.3/EX6_3.png diff --git a/3547/CH6/EX6.3/EX6_3.sce b/3547/CH6/EX6.3/EX6_3.sce new file mode 100644 index 000000000..cf87c17c1 --- /dev/null +++ b/3547/CH6/EX6.3/EX6_3.sce @@ -0,0 +1,99 @@ +// Example 6.3
+// Calculation of the (a) the variance of the signal–ASE beat noise current, (b) the variance of the ASE–ASE beat noise current, and (c) the total variance.
+// Page no 257
+
+clc;
+clear;
+close;
+
+//Given data
+
+G=30; // Gain
+
+nsp=5;
+R=0.8;
+f1=16*10^9;
+fe=9*10^9;
+//Pi1=-60;
+c=3*10^8; // Velocity of light
+h=6.63*10^-34 // Planck constant
+lambda=1530*10^-9; // Wavelegth
+Pi1=-27; // Input power
+Pi2=-60;
+f0=16*10^9;
+
+
+//(a) The variance of the signal–ASE beat noise current for Pin=-27dBm
+Po=G+Pi1;
+Po=10^(Po/10);
+Po=Po*10^-3;
+G=10^(G/10);
+f=c/lambda;
+r=nsp*h*f*(G-1);
+B=8*10^9;
+//B=min(f/2,fe);
+r0=4*R^2*Po*r*B;
+//r0=r0*10^12;
+
+//(b) The variance of the ASE–ASE beat noise current
+
+r1=R^2*r^2*((2*f0)-fe)*fe;
+
+//r1=r1*10^11;
+// (c) The total variance.
+
+rt=r0+r1;
+
+// Displaying results in the command window
+printf("\n (a) The variance of the signal–ASE beat noise current for Pin=-27dBm");
+
+printf("\n The variance of the signal–ASE beat noise current = %0.2f x 10^-8 A^2",r0*10^8);
+printf("\n The variance of the ASE–ASE beat noise current = %0.2f x 10^-11 A^2",r1*10^11);
+
+printf("\n The total variance = %0.3f x 10^-8 A^2",rt*10^8);
+// The answers vary due to round off error
+
+
+//Given data
+
+G=30; // Gain
+nsp=5;
+R=0.8; //
+f1=16*10^9;
+fe=9*10^9;
+//Pi1=-60;
+c=3*10^8; // Velocity of light
+h=6.63*10^-34 // Planck constant
+lambda=1530*10^-9; // Wavelegth
+Pi1=-27; // Input power
+Pi2=-60;
+f0=16*10^9;
+
+//(b) The variance of the signal–ASE beat noise current for Pin=-60dBm
+Po2=G+Pi2;
+Po=10^(Po2/10);
+Po=Po*10^-3;
+G=10^(G/10);
+f=c/lambda;
+r=nsp*h*f*(G-1);
+B=8*10^9;
+//B=min(f/2,fe);
+r0=4*R^2*Po*r*B;
+//r0=r0*10^12;
+
+//(b) The variance of the ASE–ASE beat noise current
+
+r1=R^2*r^2*((2*f0)-fe)*fe;
+
+//r1=r1*10^11;
+// (c) The total variance.
+
+rt=r0+r1;
+
+// Displaying results in the command window
+printf("\n \n (b) The variance of the signal–ASE beat noise current for Pin=-60dBm");
+
+printf("\n The variance of the signal–ASE beat noise current = %0.2f x 10^-11 A^2",r0*10^11);
+printf("\n The variance of the ASE–ASE beat noise current = %0.2f x 10^-11 A^2",r1*10^11);
+
+printf("\n The total variance = %0.2f x 10^-11 A^2 ",rt*10^11);
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