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Diffstat (limited to '3638/CH13/EX13.13/Ex13_13.sce')
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1 files changed, 19 insertions, 0 deletions
diff --git a/3638/CH13/EX13.13/Ex13_13.sce b/3638/CH13/EX13.13/Ex13_13.sce new file mode 100644 index 000000000..4660ddd4a --- /dev/null +++ b/3638/CH13/EX13.13/Ex13_13.sce @@ -0,0 +1,19 @@ +//Introduction to Fiber Optics by A. Ghatak and K. Thyagarajan, Cambridge, New Delhi, 1999
+//Example 13.13
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+//given
+L=40;//Total fiber length in km
+alphat=0.5;//Fiber transmission loss in dB/km
+Pmin=-39;//Receiver sensitivity in dBm is the minimum power received by receiver
+Ns=4;//Number of splices contributing to loss
+Ls=0.5;//Loss of each splice in dB
+Nc=2;//Number of connectors contributing to loss
+Lc=1;//Loss of each connector in dB;
+Pm=6;//Power margin in dB
+//Let the source power be P
+P=Pmin+Pm+Ns*Ls+Nc*Lc+L*alphat;//Minimum value of source power in dBm
+mprintf("\n The source power must exceed %.2f dBm= %.2f mW",P,(10^(P/10)));//Taking 10^(P/10) to convert into mW
+
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