//chapter 12
//example 12.3
//page 477
printf("\n")
printf("given")
hfe=100;Ie=1.3*10^-3;f1=100;R1=120*10^3;R2=39*10^3;rs=600;Rl=R1;
re=(26*10^-3)/Ie
Xc2=re;
C2=1/(2*3.14*f1*Xc2)
hie=(1+hfe)*re
Zi=(R1*R2*hie)/(R1*R2+R1*hie+R2*hie)
C1=1/((2*3.14*f1*((Zi+rs)/10)))
C3=1/(2*3.14*f1*((Rc+Rl)/10))