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//Ex11_2 Pg-551
clc
Po=4 //power in watts
n=80/100 //transformer efficiency in percentage
Vcc=30 //supply voltage
Pout=Po/n //effective power
printf("Effective power to be transfered = %.0f W\n",Pout)
disp("Impedance seen when ""looking into"" the whole winding of centertapped transformer ")
Vp=Vcc //peak voltage
Rload=Vp^2/(2*Pout)
Rload_4=4*Rload //effective load
printf("\n Effective load = %.0f ohm \n",Rload_4)
disp("Transformer specification Po=4W,RL=16ohm,RL""=360ohm")
Vce=2*Vcc //Maximum transistor voltage
printf("\n Maximum transistor voltage = %.0f V\n",Vce)
Ip=2*Pout/Vp //Maximum transistor current
Ic=Ip
printf("\n Maximum transistor current = %.0f mA \n",Ip*1e3)
// answer in the book is different due to approximate value
printf("\n Transformer specification Vce=60V,Ic=%.0f mA",Ic*1e3)
// answer in the book is different due to approximate value
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