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// Example 8.48
// Calculation of optical power budget.
// Page no 502
clc;
clear;
close;
//Given data
M=-10; // Mean optical power
S=-25; // Split loss
TS=7; // Total system margin
SP=1.4; // Split loss
C=1.6; // Connector loss
SM=4; // Safety margin
// Net margin between LED and receiver
N=M-S;
// Total system loss
T=TS+SP+C+SM;
// Excess power margin
E=N-T;
//Displaying results in the command window
printf("\n Excess power margin(in dB) = %0.0f ",E);
// The answers vary due to round off error
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