//Chapter 18, Example 18.2 clc //Initialisation Ie=1.02*10**-3 RB=910*10**3 //resistance in ohm hfe=100 //HFE parameter of the transistor RC=4.7*10**3 //resistance in ohm hoe=10*10**-6 //HOE parameter of the transistor //Calculation gm=40*Ie hie=hfe/(40*Ie) //HIE parameter of the transistor av=-gm*RC/((hoe*RC)+1) //small signal voltage gain ri=(RB*hie)/(RB+hie) //Input Resistance a1=1/hoe ro=(RC*a1)/(RC+a1) //Output Resistance //Results printf("Small Signal Voltage Gain = %d \n",av) printf("Input Resistance = %.1f kOhm \n",ri/1000) printf("Output Resistance = %.1f kOhm \n",ro/1000)