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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:78d18a14b78f673f5bd74601b5a29612b95caf61b293886366daec703c0960a4"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter-8 Non-Linear Circuits"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.2 - Page 258"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from numpy import pi\n",
+      "# Given data \n",
+      "R1= 5 # in k\u03a9\n",
+      "R2= 10.0 # in k\u03a9\n",
+      "V_peak= R1*R2/(R1+R2) # in V\n",
+      "Vav= V_peak/pi # in V\n",
+      "print \"Peak value of V1 = %0.2f V\" %V_peak\n",
+      "print \"Average value of Vo = %0.2f V\" %Vav"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Peak value of V1 = 3.33 V\n",
+        "Average value of Vo = 1.06 V\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.7 - Page 268"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "from __future__ import division\n",
+      "from math import exp\n",
+      "# Given data \n",
+      "t= 0 \n",
+      "Vc= 0 # in volts\n",
+      "Vo= 5 # in volts\n",
+      "R= 10 # in 2 \u03a9 (assume)\n",
+      "RC= 1 # (assume)\n",
+      "R3= 2*R # in \u03a9\n",
+      "R2= 3*R # in \u03a9\n",
+      "# From equation : T= 2*Rf*C*log[1+2*R3/R2]\n",
+      "T= 2*RC*math.log(1+2*R3/R2) \n",
+      "Vc_t= 2 # in volts\n",
+      "t= T/2 \n",
+      "#Voltage across capacitor,\n",
+      "# Vc_t= Vco*[1-%e**(-t/ReqC)]= 1/5*(VR+4*Vo)*[1-%e**(-t/4*RC/5)]\n",
+      "VR= Vc_t*5/(1-exp((-t/(4*RC/5))))-4*Vo \n",
+      "print \"The value of VR = %0.2f volts\" %VR"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The value of VR = -4.69 volts\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.9 - Page 270"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from __future__ import division\n",
+      "# Given data\n",
+      "# Part (c)\n",
+      "R1= 150 # in \u03a9\n",
+      "R2= 68*10**3 # in \u03a9\n",
+      "Vin= 50*10**-3 # in V\n",
+      "Vsat= 14 # in V\n",
+      "Vpositive= Vsat*(R1/(R1+R2)) # in V\n",
+      "V_UT= Vpositive # in V\n",
+      "Vpositive= -Vsat*(R1/(R1+R2)) # in V\n",
+      "V_LT= Vpositive # in V\n",
+      "print \"The value of V_UT = %0.4f V\" %V_UT\n",
+      "print \"The value of V_LT = %0.4f V\" %V_LT"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The value of V_UT = 0.0308 V\n",
+        "The value of V_LT = -0.0308 V\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8.10 - Page 271"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# Given data \n",
+      "V_UT= 5 # in V\n",
+      "V_LT= -5 # in V\n",
+      "# Hysteresis voltage,\n",
+      "Vhy= V_UT-V_LT # in V\n",
+      "print \"The hysteresis voltage = %0.f V\" %Vhy"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The hysteresis voltage = 10 V\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
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