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//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
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