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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 8: CMOS Realization Of Inverters"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 8.2: Value_of_RL_ans_WbyL.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Exa 8.2\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"// Given data\n",
+"NMH= 1;// in V\n",
+"VIH= 2;// in V\n",
+"VTon= 0.5;// in V\n",
+"VOL= 0.2;// in V\n",
+"VDD= 3;// in V\n",
+"KP= 30*10^-6;// in A/V^2\n",
+"PD= 100*10^-6;// power dissipation in W\n",
+"// Formula VIH= VTon +2*sqrt(2*VDD/(3*kn*RL))-1/(kn*RL) (i)\n",
+"// Let x= 1/(kn*RL), putting the values in (i), we get\n",
+"// x^2-5*x+2.25=0\n",
+"x= [1 -5 2.25];\n",
+"x= roots(x);\n",
+"x=x(2);\n",
+"// Formula PD= VDD*(VDD-VOL)/(2*RL)\n",
+"RL= VDD*(VDD-VOL)/(2*PD);// in Ω\n",
+"disp(RL,'The value of RL in Ω is : ')\n",
+"kn= 1/(x*RL);// in A/V^2\n",
+"// Formula kn= KP*(W/L)\n",
+"WbyL= kn/KP;\n",
+"disp(WbyL,'The value of (W/L)n is : ')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 8.4: CMOS_Inverter.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Exa 8.4\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"// Given data\n",
+"unCox= 40;// in µA/V^2\n",
+"upCox= 20;// in µA/V^2\n",
+"Ln= 0.5;// in µm\n",
+"Lp= 0.5;// in µm\n",
+"Wn= 2.0;// in µm\n",
+"Wp= unCox*Wn/upCox;// in µm\n",
+"disp(Wp,'The value of Wp in µm is : ')\n",
+"\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 8.5: Value_of_VOH_VOL_and_Vth.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Exa 8.5\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"// Given data\n",
+"VTO= 0.43;// in V\n",
+"VDD= 2.5;// in V\n",
+"g=0.4; // value of gamma\n",
+"W1= 0.375;\n",
+"L1=0.25;\n",
+"W2= 0.75;\n",
+"L2=0.25;\n",
+"//VDD-VOUT-VT= VDD-VOUT-(VTO+g*(sqrt(0.6+VOUT)-sqrt(0.6)))=0\n",
+"//VOUT^2+VOUT*(2*A-g^2)+(A-0.6*g^2)=0, where\n",
+"A=VTO-VDD-g*sqrt(0.6);// assumed\n",
+"B= (2*A-g^2);// assumed\n",
+"C=(A^2-0.6*g^2);//assumed\n",
+"VOUT= [1 B C];\n",
+"VOUT= roots(VOUT);// in V\n",
+"VOUT= VOUT(2);// in V\n",
+"VOH= VOUT;// in V\n",
+"disp(VOH,'The value of VOH in volts is : ')\n",
+"Vout=(W1+3*L2)-(VDD-VTO)*(W2*L1/(W1*L2)-1)+ (VDD)/(VDD-VTO)\n",
+"VOL= Vout;// in V\n",
+"disp(VOL,'The value of VOL in volts is : ')\n",
+"Vth= (VDD+VTO-L1)/(VDD*VTO)*(1-W1*L2/(W2*L1))+(L1*L2/VDD)\n",
+"disp(Vth,'The value of Vth for circuit A in volts is : ')\n",
+"W4= 0.365;\n",
+"L4=0.25;\n",
+"W3= 0.75;\n",
+"L3=0.15;\n",
+"Vth=(L3*L4/VDD)+(VDD/(W3*L4*VDD))-(VDD)/(1-W4*L3/(W3*L4))-2*W4\n",
+"disp(Vth,'The value of Vth for circuit B in volts is : ')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 8.6: Value_of_Vx.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Exa 8.6\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"// Given data\n",
+"VTO= 0.43;// in V\n",
+"VDD= 2.5;// in V\n",
+"g=0.5; // value of gamma\n",
+"//VDD-Vx-VT= VDD-Vx-(VTO+g*(sqrt(0.6+Vx)-sqrt(0.6)))=0\n",
+"//Vx^2+Vx*(2*A-g^2)+(A-0.6*g^2)=0, where\n",
+"A=VTO-VDD-g*sqrt(0.6);// assumed\n",
+"B= (2*A-g^2);// assumed\n",
+"C=(A^2-0.6*g^2);//assumed\n",
+"Vx= [1 B C];\n",
+"Vx= roots(Vx);// in V\n",
+"Vx= Vx(2);// in V\n",
+"disp(Vx,'The value of Vx in volts is : ')"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}