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clc;
close();
clear();
//page no 414
//prob no. 12.13
//Data from ex-12
T0=290; //K
Fdb=9;
F=10^(Fdb/10);
F=8; //Approximate
Te=(F-1)*T0;
Ti=T0;
k=1.38*10^-23; //Boltzmann's Constant
B=2*10^6; //Hz
Ni=k*Ti*B; //W
Pi=8*10^-12; //W
SNinput=Pi/Ni;
SNinputdb=10*log10(SNinput);
//Ex13 calculation
SNoutputdB=SNinputdb-Fdb;
mprintf(' S:Noutput(db)=%.0f dB\n',SNoutputdB);
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