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//Example 7.13
clear;
clc;
C1=2*10^(-9);
binfrec=4000;
inw=0.566*10^(-15);
T=1*10^(9);
ft=16*10^6;
R1=100*10^(9);
C2=0.5*10^(-12);
fx=(1/binfrec)*ft;
enw=4.5*10^(-9);
Enoe=binfrec*enw*sqrt((%pi*fx)/2);
EnoRmax=Enoe/3;
k=1.38*10^(-23);
Temp=25+273;
ex=((EnoRmax^2)*C2)/(k*Temp);
R2=T/ex;
R3=1*10^3;//Assumed
R4=(ex-1)*R3;
printf("(a) Designed T Network :");
printf("\n R1=%.2f Gohms",R1*10^(-9));
printf("\n R2=%.1f Mohms",R2*10^(-6));
printf("\n R3=%.2f kohms",R3*10^(-3));
printf("\n R4=%.2f kohms",R4*10^(-3));
printf("\n C1=%.2f nF",C1*10^9);
printf("\n C2=%.2f pF",C2*10^12);
fp=1/(2*%pi*ex*R2*C2);
fB=fp;
Rp=(R1*R2)/(R1+R2);
Enoi=((1.57*fB)^(1/2))*inw;
Eno=sqrt((Enoe^2)+(Enoi^2)+(EnoRmax^2));
printf("\n\n(b) Total rms Output Noise=%.2f mV",Eno*10^3);
printf("\n Bandwidth(fB)=%.d Hz",fB);
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