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//chapter 14
//example 14.6
//page 606
printf("\n")
printf("given")
Av=200000;ri=2*10^6;ro=75;R3=1*10^3;R2=39*10^3;
B=R3/(R2+R3)
Zi=(1+Av*B)*ri
printf(" typical input impedance for non-inverting amplifier is %dohm\n",Zi)
Zo=ro/(1+Av*B)
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