//chapter 14
//example 14.4
//page 603
printf("\n")
printf("given")
f=70;Rl=4*10^3;Ib=500*10^-9;Vbe=.7;
R1=Vbe/(10*Ib)
R1=120*10^3;//use standard value
R2=R1;
disp(" desire value of capacitor is C=1/2*3.14*f*R")
C2=1/(2*3.14*f*Rl)
C1=1/(2*3.14*f*(R1/10))