{
"cells": [
 {
		   "cell_type": "markdown",
	   "metadata": {},
	   "source": [
       "# Chapter 3: Special Diodes"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.10: Value_of_Change_in_output_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.10\n",
"format('v',7)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"R_Z= 7;// in Ω\n",
"I_Z1=12.2;// in mA\n",
"I_Z2=60.2;// in mA\n",
"deltaV_Z=(I_Z2-I_Z1)*R_Z;// in mV\n",
"deltaV_Z= deltaV_Z*10^-3;// in V\n",
"Vz= 12;// in V\n",
"// The output voltage,\n",
"Vout= Vz+deltaV_Z;// in V\n",
"disp(Vout,'The output voltage in V is : ');"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.11: Value_of_IS_IL_IZ.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.11\n",
"format('v',6)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"Vz= 12;// in V\n",
"Vin= 15;// in V\n",
"R_S= 200;// in Ω\n",
"R_L= 1*10^3;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vz)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vz/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"\n",
"\n",
""
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.12: Value_of_IS_IL_IZ.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.12\n",
"format('v',6)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"disp('(i) For 15 V input voltage');\n",
"Vin= 15;// in V\n",
"Vz= 12;// in V\n",
"R_S= 200;// in Ω\n",
"R_L= 1*10^3;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vz)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vz/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(ii) For 20 V input voltage');\n",
"Vin= 20;// in V\n",
"// The value of I_S \n",
"I_S= (Vin-Vz)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vz/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(iii) For 25 V input voltage');\n",
"Vin= 25;// in V\n",
"// The value of I_S \n",
"I_S= (Vin-Vz)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vz/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(iv) For 30 V input voltage');\n",
"Vin= 30;// in V\n",
"// The value of I_S \n",
"I_S= (Vin-Vz)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vz/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(v) For 35 V input voltage');\n",
"Vin= 35;// in V\n",
"// The value of I_S \n",
"I_S= (Vin-Vz)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vz/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"\n",
"\n",
""
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.1: LED_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.1\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"Vin= 12;// in V\n",
"V_LED= 2;// in V\n",
"Rs= 470;// in Ω\n",
"Vs= Vin-V_LED;// in V\n",
"// The LED current \n",
"I= Vs/Rs;// in A\n",
"I= I*10^3;// in mA\n",
"disp(I,'The LED current in mA is : ')\n",
""
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.2: LED_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.2\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"Vin= 5;// in V\n",
"V_LED= 2;// in V\n",
"Rs= 470;// in Ω\n",
"Vs= Vin-V_LED;// in V\n",
"// When supply voltage is 5 V, the LED current\n",
"I= Vs/Rs;// in A\n",
"I= I*10^3;// in mA\n",
"disp(I,'When supply voltage is 5 V, the LED current in mA is : ')\n",
"Vin= 10;// in V\n",
"Vs= Vin-V_LED;// in V\n",
"// When supply voltage is 10 V, the LED current\n",
"I= Vs/Rs;// in A\n",
"I= I*10^3;// in mA\n",
"disp(I,'When supply voltage is 10 V, the LED current in mA is : ')\n",
"Vin= 15;// in V\n",
"Vs= Vin-V_LED;// in V\n",
"// When supply voltage is 15 V, the LED current\n",
"I= Vs/Rs;// in A\n",
"I= I*10^3;// in mA\n",
"disp(I,'When supply voltage is 15 V, the LED current in mA is : ')\n",
"Vin= 20;// in V\n",
"Vs= Vin-V_LED;// in V\n",
"// When supply voltage is 20 V, the LED current\n",
"I= Vs/Rs;// in A\n",
"I= I*10^3;// in mA\n",
"disp(I,'When supply voltage is 20 V, the LED current in mA is : ')\n",
"\n",
""
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.4: Tuning_range.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.4\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"C1= 560;//transistor capacitance at 1V in pF\n",
"C2= 30;//transistor capacitance at 10V in pF\n",
"// The tuning range \n",
"tuningRange= C1/C2;\n",
"disp(tuningRange,'The tuning range is : ')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.5: Minimum_and_maximum_zener_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.5\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"Vin_min= 20;// in V\n",
"Vin_max= 40;// in V\n",
"Vz= 10;// in V\n",
"Rs= 820;// in Ω\n",
"// The minimum zener current,\n",
"Iz_min= (Vin_min-Vz)/Rs;// in A\n",
"// The maximum zener current, \n",
"Iz_max= (Vin_max-Vz)/Rs;// in A\n",
"// The output voltage,\n",
"Vout= Vz;// in V\n",
"Iz_min= Iz_min*10^3;// in mA\n",
"Iz_max= Iz_max*10^3;// in mA\n",
"disp(Iz_min,'The minimum zener current in mA is : ');\n",
"disp(Iz_max,'The maximum zener current in mA is : ');\n",
"disp(Vout,'The output voltage in V is : ')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.6: Minimum_and_maximum_output_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.6\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"Rs= 820;// in Ω\n",
"Rz= 17;// in Ω\n",
"R_T= Rs+Rz;// in Ω\n",
"Vz= 10;// in V\n",
"Vin_min= 20;// in V\n",
"Vin_max= 40;// in V\n",
"// The minimum zener current \n",
"Iz_min= (Vin_min-Vz)/R_T;// in A\n",
"// The maximum zener current \n",
"Iz_max= (Vin_max-Vz)/R_T;// in A\n",
"// The minimum output voltage \n",
"Vout_min= Vz+Iz_min*Rz;// in V\n",
"// The maximum output voltage \n",
"Vout_max= Vz+Iz_max*Rz;// in V\n",
"Iz_min= Iz_min*10^3;// in mA\n",
"Iz_max= Iz_max*10^3;// in mA\n",
"disp(Iz_min,'The minimum zener current in mA is : ')\n",
"disp(Iz_max,'The maximum zener current in mA is : ')\n",
"disp(Vout_min,'The minimum output voltage in V is : ')\n",
"disp(Vout_max,'The maximum output voltage in V is : ')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.7: Maximum_current.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.7\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"P= 100;// power rating in mW\n",
"V= 6.2;// in V\n",
"// The maximum current rating \n",
"I_ZM= P/V;// in mA\n",
"disp(I_ZM,'The maximum current rating in mA is : ')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.8: Value_of_IS_IL_IZ.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.8\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"Vz= 12;// in V\n",
"Vout= Vz;// in V\n",
"Vin= 25;// in V\n",
"R_S= 180;// in Ω\n",
"R_L= 200;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vout)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vout/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 3.9: Values_of_all_currents.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"// Exa 3.9\n",
"format('v',5)\n",
"clc;\n",
"clear;\n",
"close;\n",
"// given data\n",
"disp('(i) For 200 Ω load resistance');\n",
"R_L= 200;// in Ω\n",
"Vz= 12;// in V\n",
"Vout= Vz;// in V\n",
"Vin= 25;// in V\n",
"R_S= 180;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vout)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vout/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(ii) For 400 Ω load resistance');\n",
"R_L= 400;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vout)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vout/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(iii) For 600 Ω load resistance');\n",
"R_L= 600;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vout)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vout/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(iv) For 800 Ω load resistance');\n",
"R_L= 800;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vout)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vout/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"disp('(v) For 1 kΩ load resistance');\n",
"R_L= 1*10^3;// in Ω\n",
"// The value of I_S \n",
"I_S= (Vin-Vout)/R_S;// in A\n",
"// The value of I_L \n",
"I_L= Vout/R_L;// in A\n",
"// The value of I_Z \n",
"I_Z= I_S-I_L;// in A\n",
"I_S= I_S*10^3;// in mA\n",
"I_L= I_L*10^3;// in mA\n",
"I_Z= I_Z*10^3;// in mA\n",
"disp(I_S,'The value of I_S in mA is : ')\n",
"disp(I_L,'The value of I_L in mA is : ')\n",
"disp(I_Z,'The value of I_Z in mA is : ')\n",
"\n",
"\n",
""
   ]
   }
],
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