diff options
Diffstat (limited to '3740/CH9/EX9.2')
| -rw-r--r-- | 3740/CH9/EX9.2/Ex9_2.jpg | bin | 0 -> 81012 bytes | |||
| -rw-r--r-- | 3740/CH9/EX9.2/Ex9_2.sce | 26 |
2 files changed, 26 insertions, 0 deletions
diff --git a/3740/CH9/EX9.2/Ex9_2.jpg b/3740/CH9/EX9.2/Ex9_2.jpg Binary files differnew file mode 100644 index 000000000..fbb52fd3d --- /dev/null +++ b/3740/CH9/EX9.2/Ex9_2.jpg diff --git a/3740/CH9/EX9.2/Ex9_2.sce b/3740/CH9/EX9.2/Ex9_2.sce new file mode 100644 index 000000000..35b044b45 --- /dev/null +++ b/3740/CH9/EX9.2/Ex9_2.sce @@ -0,0 +1,26 @@ +//Optoelectronics - An Introduction, 2nd Edition by J. Wilson and J.F.B. Hawkes
+//Example 9.2
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+
+//given
+L=15;//Length of link in km
+Deltaf=100e6;//Bandwidth in b/s
+Pmin=-50;//Receiver sensitivity in dBm is the minimum power received by receiver
+alphat=2;//Fiber transmission loss in dB/km
+Ns=10;//Number of splices contributing to loss
+Ls=0.5;//Loss of each splice in dB
+Lc=1;//Detector coupling loss in dB
+La=5;//Additional Losses due to various factors in dB;
+//Let the transmitter launch power in dBm be 'P'
+P=0;
+
+Margin=P-Pmin;//Power Margin in dBm
+mprintf("\n Margin = %d dBm",Margin);
+
+//Let the total system loss in dB be 'Lt'
+Lt=alphat*L+Lc+Ns*Ls+La;
+mprintf("\n Total System Loss = %d dB",Lt);
+mprintf("\n Excess power margin = %d dB",Margin-Lt);//Excess power margin in dB
|
