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diff --git a/Analog_Integrated_Circuits_by_R.S._Tomar/Chapter10_1.ipynb b/Analog_Integrated_Circuits_by_R.S._Tomar/Chapter10_1.ipynb
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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:f64bf7a670dc36e359e5aa56e0bfa29f09c70f7a0babc95be4c64434f164d9d6"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter10 - Comparators"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex 10.1 - page : 334"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from __future__ import division\n",
+      "from math import pi, sin\n",
+      "t=range(0,5) #sec(Assumed)\n",
+      "Vin=5*sin(2*pi*t[0]) #V\n",
+      "VCC=15 #V\n",
+      "R2=1 #kohm\n",
+      "R1=6.8 #kohm\n",
+      "VEE=-15 #V\n",
+      "Vsat=13 #V\n",
+      "Vref=R2*VCC/(R1+R2) #V\n",
+      "print \"Reference Voltage = %0.2f V \" %Vref\n",
+      "print \"If Vin>Vref , Vout = %0.2f V \" %Vsat \n",
+      "print \"If Vin<Vref , Vout = %0.2f V \" %-Vsat"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Reference Voltage = 1.92 V \n",
+        "If Vin>Vref , Vout = 13.00 V \n",
+        "If Vin<Vref , Vout = -13.00 V \n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex 10.2 - page 340"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from __future__ import division\n",
+      "Vsat=7 #V\n",
+      "R1=68 #kohm\n",
+      "R2=82 #kohm\n",
+      "VUTP=R2*Vsat/(R1+R2) #V\n",
+      "VLTP=R2*-Vsat/(R1+R2) #V\n",
+      "print \"Upper trip point = %0.2f V \" %VUTP \n",
+      "print \"Lower trip point = %0.2f V \" %VLTP"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Upper trip point = 3.83 V \n",
+        "Lower trip point = -3.83 V \n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex 10.3 - page : 340"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from __future__ import division\n",
+      "from numpy import arcsin, pi\n",
+      "#Vin=5*sin(omega*t)\n",
+      "Vm=5 #V\n",
+      "Vsat=7 #V\n",
+      "R1=68 #kohm\n",
+      "R2=82 #kohm\n",
+      "VUTP=R2*Vsat/(R1+R2) #V\n",
+      "fi=arcsin(VUTP/Vm)*180/pi #degree\n",
+      "print \"Phase shift = %0.2f degree \" %fi \n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Phase shift = 49.94 degree \n"
+       ]
+      }
+     ],
+     "prompt_number": 14
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex 10.4 - page : 344"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from __future__ import division\n",
+      "VZ1=4.7 #V\n",
+      "VZ2=4.7 #V\n",
+      "R1=68 #kohm\n",
+      "R2=15 #kohm\n",
+      "Vout=VZ1+0.7 #V(As one zener diode is always forward biased)\n",
+      "VR1=Vout #V\n",
+      "IR1=VR1/R1*1000 #micro A\n",
+      "IR2=IR1 #micro A\n",
+      "VR2=IR2*10**-3*R2 #V\n",
+      "Vout=VR1+VR2 #V\n",
+      "VUTP=(R2/(R1+R2))*Vout #V\n",
+      "VLTP=(R2/(R1+R2))*(-Vout) #V\n",
+      "print \"VUTP = %0.2f V \" %VUTP \n",
+      "print \"VLTP = %0.2f V \" %VLTP"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "VUTP = 1.19 V \n",
+        "VLTP = -1.19 V \n"
+       ]
+      }
+     ],
+     "prompt_number": 15
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex 10.5 - page : 346"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from __future__ import division\n",
+      "Vsat=12.5 #V\n",
+      "Vref=-12.5 #V\n",
+      "R1=80 #kohm\n",
+      "R2=20 #kohm\n",
+      "Beta=R2/(R1+R2) #unitless\n",
+      "UTP=Beta*Vsat+(1-Beta)*Vref #V\n",
+      "LTP=-Beta*Vsat+(1-Beta)*Vref #V\n",
+      "VH=UTP-LTP #V\n",
+      "R3=R1*R2/(R1+R2) #kohm\n",
+      "print \"UTP = %0.2f V \" %UTP \n",
+      "print \"LTP = %0.2f V \" %LTP \n",
+      "print \"Hysteresis Voltage, VH = %0.2f V \" %VH \n",
+      "print \"Use R3 = %0.2f kohm \" %R3 "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "UTP = -7.50 V \n",
+        "LTP = -12.50 V \n",
+        "Hysteresis Voltage, VH = 5.00 V \n",
+        "Use R3 = 16.00 kohm \n"
+       ]
+      }
+     ],
+     "prompt_number": 16
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
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