Added(A)/Deleted(D) following books

 A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch1.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch2.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch3.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch4.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch5.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch6.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch7.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/Ch8.ipynb
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/README.txt
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/screenshots/6.1.png
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/screenshots/6.png
A  Fundamentals_Of_Electronic_Devices_by_J._B._Gupta/screenshots/7.png
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter1.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter2.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter3.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter4.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter5.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter6.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter7.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter8.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/Chapter9.ipynb
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/README.txt
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/screenshots/1.png
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/screenshots/2.png
A  OpAmps_And_Linear_Integrated_Circuits_by_Gayakwad/screenshots/8.png
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter10_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter11_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter12_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter13_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter14_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter15_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter16_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter17_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter18_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter19_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter1_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter20_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter21_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter22_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter23_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter24_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter25_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter26_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter2_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter6_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter7_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter8_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/chapter9_6.ipynb
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/screenshots/chapter10_ac_load_line_5.png
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/screenshots/chapter18_clipping_ckt_output_6.png
A  Principles_of_Electronics_____by_V.K._Mehta_and_Rohit_Mehta/screenshots/chapter8_dc_load_line_6.png

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Chapter 7: Field effect Transistors"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.1 page no. 262"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Resistance between gate and source is   10000.0 ohm\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.1\n",
+    "#What is Resistance between gate and source\n",
+    "\n",
+    "#given data \n",
+    "VGS=10\t\t\t#in Volt\n",
+    "IG=0.001\t\t#in uA\n",
+    "IG=IG*10**-6\t\t#in A\n",
+    "\n",
+    "#calculation\n",
+    "RGS=VGS/IG\t\t#in ohm\n",
+    "\n",
+    "#result\n",
+    "print\"Resistance between gate and source is  \",RGS/10**6,\"ohm\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.2 page no.262"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "AC drain resistance of JFET in Kohm  12.5 kohm\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.2\n",
+    "#What is AC drain resistance of JFET\n",
+    "\n",
+    "#given data \n",
+    "delVDS=1.5\t\t\t#in Volt\n",
+    "delID=120\t\t\t#in uA\n",
+    "delID=120*10**-6\t\t#in A\n",
+    "\n",
+    "#Calculation\n",
+    "rd=delVDS/delID\t\t\t#in Ohm\n",
+    "\n",
+    "#Result\n",
+    "print\"AC drain resistance of JFET in Kohm \",rd*10**-3,\"kohm\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.3 page no. 262"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Transconductance is 2.22 mA/v\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.3\n",
+    "#Determine Transconductance\n",
+    "import math\n",
+    "#given data \n",
+    "VP=-4.5\t\t\t#in Volt\n",
+    "IDSS=10.0\t\t\t#in mA\n",
+    "IDS=2.5\t\t\t#in mA\n",
+    "\n",
+    "#Calculation\n",
+    "VGS=VP*(1-math.sqrt(IDS/IDSS))\t\t#in Volt\n",
+    "gm=(-2*IDSS/VP)*(1-VGS/VP)\t\t#in mA/Volt\n",
+    "\n",
+    "#Result\n",
+    "print\"Transconductance is\",round(gm,2),\"mA/v\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.4 page no. 262"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "VGS(OFF) is = -2.0 mV\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.4\n",
+    "#calculate Vgs off\n",
+    "\n",
+    "#given data \n",
+    "gm=10\t\t\t#in mS\n",
+    "IDSS=10\t\t\t#in uA\n",
+    "IDSS=IDSS-10**-6\t#in Ampere\n",
+    "\n",
+    "#Calculation\n",
+    "VGS_OFF=-2*IDSS/gm\n",
+    "\n",
+    "#Result\n",
+    "print\"VGS(OFF) is =\",round(VGS_OFF),\"mV\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.5 page no. 262"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Drain current= 2.5 mA\n",
+      "VDS(min) is :  -4.0 V\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.5\n",
+    "#Determine The minimum value of VDS for pinch-OFF region is equal to VP.\n",
+    "\n",
+    "#given data \n",
+    "VP=-4.0\t\t\t   #in Volt\n",
+    "IDSS=10.0\t\t\t #in mA\n",
+    "IDSS=IDSS*10**-3\t#in Ampere\n",
+    "VGS=-2.0              #in Volt\n",
+    "\n",
+    "#Calculation\n",
+    "ID=IDSS*(1.0-VGS/VP)**2\t#in mA\n",
+    "\n",
+    "#result\n",
+    "print \"Drain current=\",ID*1000,\"mA\"\n",
+    "print\"VDS(min) is : \",VP,\"V\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.6 page no. 263"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "ID is  3.9 mA\n",
+      "gmo is 5.8 mS\n",
+      "gm is   3.9 mS\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.6\n",
+    "#Find the value of Id , gmo, gm\n",
+    "\n",
+    "#given data \n",
+    "VP=-3.0\t\t\t#in Volt\n",
+    "IDSS=8.7\t\t#in mA\n",
+    "IDSS=IDSS*10**-3\t#in mA\n",
+    "VGS=-1\t\t\t#in Volt\n",
+    "\n",
+    "#calculation\n",
+    "ID=IDSS*(1-VGS/VP)**2\t#in Ampere\n",
+    "gmo=-2*IDSS/VP\t\t#in mS\n",
+    "gm=gmo*(1-VGS/VP)\t#in mS\n",
+    "\n",
+    "#result\n",
+    "print\"ID is \",round(ID*1000,1),\"mA\"\n",
+    "print\"gmo is\",round(gmo*1000,1),\"mS\"\n",
+    "print\"gm is  \",round(gm*1000,1),\"mS\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.7 page no.263"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Drain current= 2.1 mA\n",
+      "Transconductance is  2.8 mS\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.7\n",
+    "#Find gm\n",
+    "\n",
+    "#given data \n",
+    "VP=-3.0 \t\t#in Volt\n",
+    "IDSS=8.4 \t#in mA\n",
+    "VGS=-1.5 \t#in Volt\n",
+    "\n",
+    "#calculation\n",
+    "ID=IDSS*(1-VGS/VP)**2 \t\t#in mA\n",
+    "gmo=-2*IDSS/VP \t\t\t#in mS\n",
+    "gm=gmo*(1-VGS/VP) \t\t#in mS\n",
+    "\n",
+    "#result\n",
+    "print\"Drain current=\",ID,\"mA\"\n",
+    "print\"Transconductance is \",gm,\"mS\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.8 page no.263"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "IDS = 3 mA when gm is  2.31 mS\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.8\n",
+    "#What is gm \n",
+    "\n",
+    "#given data \n",
+    "VP=-4.5 \t\t   #in Volt\n",
+    "IDSS=9 \t\t\t#in mA\n",
+    "IDSS=IDSS*10**-3   #in Ampere\n",
+    "IDS=3 \t\t\t #in mA\n",
+    "IDS=IDS*10**-3 \t\t#in Ampere\n",
+    "\n",
+    "#calculation\n",
+    "import math\n",
+    "VGS=VP*(1-math.sqrt(IDS/IDSS)) \t#in Volt\n",
+    "gm=(-2*IDSS/VP)*(1-VGS/VP) \t\t#in mS\n",
+    "\n",
+    "#result\n",
+    "print\"IDS = 3 mA when gm is \",round(gm*1000,2),\"mS\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.9 page no.271"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Transfer Characteristics are in mA  10.0 15.625 5.625 2.5 0.0\n",
+      "Transfer Characteristics for N channel MOSFET Type\n"
+     ]
+    },
+    {
+     "data": {
+      "image/png": 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GAc9jdfOcBP4DPAZMLePniYS0sxfP0vs/vYmMiGR27GwqVVAJTMquuKTfDSvZ/xS4C0jz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\nRERERJzr/wFFhVeboXYOSQAAAABJRU5ErkJggg==\n",
+      "text/plain": [
+       "<matplotlib.figure.Figure at 0x7fb34db76e50>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "#Exa 7.9\n",
+    "#given data :\n",
+    "Vp=-4.0 \t\t\t   #in Volt\n",
+    "IDSS=10.0 \t\t    #in mA\n",
+    "#From eq 7.1\n",
+    "Vgs1=0\n",
+    "Id1=IDSS                 # mA, at Vgs=0\n",
+    "Vgs2=1\n",
+    "Id2=Id1*(1-Vgs2/Vp)**2   #mA, at Vgs=1\n",
+    "Vgs3=-1\n",
+    "Id3=Id1*(1-Vgs3/Vp)**2   #mA, at Vgs=1\n",
+    "Vgs4=-2\n",
+    "Id4=Id1*(1-Vgs4/Vp)**2   #mA, at Vgs=-2\n",
+    "Vgs5=-4\n",
+    "Id5=Id1*(1-Vgs5/Vp)**2   #mA, at Vgs=-4\n",
+    "\n",
+    "print \"Transfer Characteristics are in mA \",Id1,Id2,Id3,Id4,Id5\n",
+    "\n",
+    "#Plot\n",
+    "%matplotlib inline\n",
+    "import matplotlib.pyplot as plt\n",
+    "fig = plt.figure()\n",
+    "ax = fig.add_subplot(111)\n",
+    "\n",
+    "Vgs=[-4,-2,-1,0,1]\n",
+    "Id=[0,2.5,5.625,10,15.625]\n",
+    "plt.xlabel(\"Vgs  (V)\") \n",
+    "plt.ylabel(\"Id  (mA)\") \n",
+    "plt.xlim((-4,2))\n",
+    "plt.ylim((0,18))\n",
+    "ax.plot([0], [10], 'o')\n",
+    "ax.annotate('(Idss)', xy=(0,10))\n",
+    "\n",
+    "a=plt.plot(Vgs,Id)\n",
+    "\n",
+    "print \"Transfer Characteristics for N channel MOSFET Type\"\n",
+    "plt.show(a)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Example 7.10 page no.275"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "When VGS=6V the drain current is  1.25 mA\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Exa 7.10\n",
+    "#Determine the drain current\n",
+    "\n",
+    "#given data \n",
+    "ID_on=5 \t\t#in mA\n",
+    "VGS=6 \t\t\t#in Volt\n",
+    "VGS_on=8.0 \t\t#in Volt\n",
+    "VGST=4 \t\t\t#in Volt\n",
+    "\n",
+    "#calculation\n",
+    "K=ID_on/(VGS_on-VGST)**2 \t\t#in mA/V**2\n",
+    "ID=K*(VGS-VGST)**2 \t\t\t#in mA\n",
+    "\n",
+    "#result\n",
+    "print\"When VGS=6V the drain current is \",ID,\"mA\""
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}