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+{

+ "metadata": {

+  "name": "",

+  "signature": "sha256:3303f44cdb2f2123a36f676f7675540bf34779306594f12942900e5506f78518"

+ },

+ "nbformat": 3,

+ "nbformat_minor": 0,

+ "worksheets": [

+  {

+   "cells": [

+    {

+     "cell_type": "heading",

+     "level": 1,

+     "metadata": {},

+     "source": [

+      "Chapter11:Tuned Volatge AMplifiers"

+     ]

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E1 - Pg 401"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Calculate frequency and impedance and current and voltage across each element at resonance\n",

+      "#given\n",

+      "import math\n",

+      "R=12.;#ohm\n",

+      "L=200.*10.**-6.;#H\n",

+      "C=300.*10.**-12.;#F\n",

+      "Vs=9.;#V\n",

+      "fo=1./(2.*math.pi*math.sqrt(L*C));\n",

+      "Z=R;#impedance\n",

+      "print '%s %.1f %s' %(\"The Resonant frequency =\",fo/1000,\"kHz\\n\");\n",

+      "print '%s %.f %s' %(\"The impedance Z =\",Z,\"ohm\\n\");\n",

+      "\n",

+      "Io=Vs/R;\n",

+      "print '%s %.2f %s' %(\"The Source current =\",Io,\"A\\n\");\n",

+      "\n",

+      "Vl=Io*(2.*math.pi*fo*L);\n",

+      "Vc=Io/(2.*math.pi*fo*C);\n",

+      "Vr=Io*R;\n",

+      "print '%s %.1f %s' %(\"The voltage across the inductor =\",Vl,\"V\\n\");\n",

+      "print '%s %.1f %s' %(\"The voltage across the capacitor =\",Vc,\"V\\n\");\n",

+      "print '%s %.f %s' %(\"The voltage across the resistor =\",Vr,\"V\\n\");\n",

+      "#There is a slight variation in voltage across capacitor due to the approaximation\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The Resonant frequency = 649.7 kHz\n",

+        "\n",

+        "The impedance Z = 12 ohm\n",

+        "\n",

+        "The Source current = 0.75 A\n",

+        "\n",

+        "The voltage across the inductor = 612.4 V\n",

+        "\n",

+        "The voltage across the capacitor = 612.4 V\n",

+        "\n",

+        "The voltage across the resistor = 9 V\n",

+        "\n"

+       ]

+      }

+     ],

+     "prompt_number": 1

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E2 - Pg 401"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Calculate frequency and impedance and current at resonance and current in coil and capacitor\n",

+      "#given\n",

+      "import math\n",

+      "R=10.;#ohm\n",

+      "L=100.*10.**-6.;#H\n",

+      "C=100.*10.**-12.;#F\n",

+      "Vs=10.;#V\n",

+      "fo=1./(2.*math.pi*math.sqrt(L*C));\n",

+      "Zp=L/(C*R);     #impedance\n",

+      "print '%s %.3f %s' %(\"The Resonant frequency =\",fo/10**6,\"MHz\\n\");\n",

+      "print '%s %.f %s' %(\"The impedance Z =\",Zp/1000,\"kohm\\n\");\n",

+      "\n",

+      "Io=Vs/Zp;\n",

+      "print '%s %.f %s' %(\"The Source current =\",Io*10**6,\"uA\\n\");\n",

+      "\n",

+      "Xl=(2.*math.pi*fo*L);\n",

+      "Xc=1./(2.*math.pi*fo*C);\n",

+      "Z1=math.sqrt(Xl**2.+R**2.);\n",

+      "Z2=Xc;\n",

+      "Ic=Vs/Z2;\n",

+      "Il=Ic;\n",

+      "print '%s %.f %s' %(\"The current in the coil =\",1000,\"ohm\\n\");\n",

+      "print '%s %.f %s' %(\"The current in the capacitor =\",Ic*1000,\"mA\\n\");\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The Resonant frequency = 1.592 MHz\n",

+        "\n",

+        "The impedance Z = 100 kohm\n",

+        "\n",

+        "The Source current = 100 uA\n",

+        "\n",

+        "The current in the coil = 1000 ohm\n",

+        "\n",

+        "The current in the capacitor = 10 mA\n",

+        "\n"

+       ]

+      }

+     ],

+     "prompt_number": 2

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E3 - Pg 402"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Calculate impedance and quality factor and bandwidth\n",

+      "#given\n",

+      "import math\n",

+      "R=10.;#ohm\n",

+      "L=150.*10.**-6.;#H\n",

+      "C=100.*10.**-12.;#F\n",

+      "fo=1/(2.*math.pi*math.sqrt(L*C));\n",

+      "Zp=L/(C*R);     #impedance\n",

+      "print '%s %.f %s' %(\"The impedance Z =\",Zp/1000,\"kohm\\n\");\n",

+      "\n",

+      "Xl=(2.*math.pi*fo*L);\n",

+      "Q=Xl/R;\n",

+      "BW=fo/Q;\n",

+      "print '%s %.1f %s' %(\"The Quality factor of the circuit =\",Q,\"\\n\");\n",

+      "print '%s %.1f %s' %(\"The Band width of the circuit =\",BW/1000,\"kHz\\n\");\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The impedance Z = 150 kohm\n",

+        "\n",

+        "The Quality factor of the circuit = 122.5 \n",

+        "\n",

+        "The Band width of the circuit = 10.6 kHz\n",

+        "\n"

+       ]

+      }

+     ],

+     "prompt_number": 3

+    }

+   ],

+   "metadata": {}

+  }

+ ]

+}
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