//chapter12 //example12.5 //page242 Vcc=12 // V gain_beta=100 Vbe=0.3 // V Ic=1 // mA // since gain_beta=Ic/Ib Ib=Ic/gain_beta // since Vcc=Ib*Rb+Vbe we get Rb=(Vcc-Vbe)/Ib gain_beta2=50 // since Vcc=Ib*Rb+Vbe we get Ib2=(Vcc-Vbe)/Rb Ic2=Ib2*gain_beta2 printf("for beta = 100, base resistor = %.3f kilo ohm \n",Rb) printf("for beta = 50, zero signal collector current for same Rb is = %.3f mA \n",Ic2)