{
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 {
		   "cell_type": "markdown",
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	   "source": [
       "# Chapter 1: semiconductor basics"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 1.1: Different_diode_models.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
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"source": [
"//Ex-1.1(a)\n",
"V_bias=10;\n",
"R_limit=1000;\n",
"r_d =10;\n",
"//Voltages in Volts, Currents in Amperes, Resistances in Ohms\n",
"//IDEAL MODEL\n",
"disp('IDEAL MODEL')\n",
"V_f=0;\n",
"I_f=V_bias/R_limit;\n",
"V_R_limit=I_f*R_limit;\n",
"disp(V_f,'forward voltage in volts');\n",
"disp(I_f,'forward current in amperes');\n",
"disp(V_R_limit,'voltage across limiting resistor in volts');\n",
"//PRACTICAL MODEL\n",
"disp('PRACTICAL MODEL');\n",
"V_f=0.7;\n",
"I_f=(V_bias-V_f)/R_limit;\n",
"V_R_limit=I_f*R_limit;\n",
"disp(V_f,'forward voltage in volts');\n",
"disp(I_f,'forward current in amperes');\n",
"disp(V_R_limit,'voltage across limiting resistor in volts');\n",
"//COMPLETE MODEL\n",
"disp('COMPLETE MODEL')\n",
"I_f=(V_bias-0.7)/(R_limit+r_d');\n",
"V_f=0.7+I_f*r_d';\n",
"V_R_limit=I_f*R_limit;\n",
"disp(V_f,'forward voltage in volts');\n",
"disp(I_f,'forward current in amperes');\n",
"disp(V_R_limit,'voltage across limiting resistor in volts');\n",
"//Ex1.1(b)\n",
"V_bias=5;\n",
"I_R=1*10^-6;\n",
"//IDEAL MODEL\n",
"disp('IDEAL MODEL');\n",
"I_r=0;\n",
"V_R=V_bias;\n",
"V_R_limit=I_r*R_limit;\n",
"disp(I_r,'reverse current in amperes')\n",
"disp(V_R,'reverse voltage in volts')\n",
"disp(V_R_limit,'voltage across limiting resistor in volts')\n",
"//PRACTICAL MODEL\n",
"disp('PRACTICAL MODEL')\n",
"I_r=0;\n",
"V_R=V_bias;\n",
"V_R_limit=I_r*R_limit;\n",
"disp(I_r,'reverse current in amperes')\n",
"disp(V_R,'reverse voltage in volts')\n",
"disp(V_R_limit,'voltage across limiting resistor in volts')\n",
"//COMPLETE MODEL\n",
"disp('COMPLETE MODEL')\n",
"I_r=I_R;\n",
"V_R_limit=I_r*R_limit;\n",
"V_R=V_bias-V_R_limit;\n",
"disp(I_r,'reverse current in amperes')\n",
"disp(V_R,'reverse voltage in volts')\n",
"disp(V_R_limit,'voltage across limiting resistor in volts')"
   ]
   }
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