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

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 116/CH8/EX8.5/exa8_5.sce | 45 +++++++++++++++++++++++++++++++++++++++++++++
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 create mode 100755 116/CH8/EX8.5/exa8_5.sce

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diff --git a/116/CH8/EX8.5/exa8_5.sce b/116/CH8/EX8.5/exa8_5.sce
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+  
+//Caption:Program to determine the system gain
+ 
+//Example 8.5
+ 
+//Page 405
+ 
+//Refer to table 8.2 and figure 8.8 on page 394
+ 
+dr=565//data rate
+
+wl=1550*10^-9//wavelength
+
+disp('The use of 5B6B line code implies the line data rate is,')
+
+565*(6/5)
+
+//678Mbps
+ 
+disp('The receiver sensitivity for 678 Mbps is determined from fig 8.8 or table 8.2 as ')
+ 
+rsen=-34.5
+
+A=(-5-rsen)//system gain 
+ 
+BDP=[500/(17*0.4)]
+
+BDPs=[73.6/0.678]
+ 
+lossp=(0.2+0.2)*(65)
+ 
+lossm=A-lossp
+ 
+//Result
+ 
+//System gain = 29.5 dB
+ 
+//BDP = 73.6 Gbps
+ 
+//BDP spacing = 109 km
+ 
+//Path Loss = 26 dB
+ 
+//Loss Margin = 3.5 dB
+ 
\ No newline at end of file
-- 
cgit