Added(A)/Deleted(D) following books

 R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter11.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter11.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter11_1cYIymv.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter11_1cYIymv.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter11_b2XsTwq.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter11_b2XsTwq.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter12.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter12.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter12_MbtXOSy.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter12_MbtXOSy.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter12_tyNLSnr.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter12_tyNLSnr.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter13.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter13.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter13_IKwAwKI.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter13_IKwAwKI.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter13_xbFXJW8.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter13_xbFXJW8.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter14.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter14.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter14_Gi0X0ZR.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter14_Gi0X0ZR.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter14_XSNxMWG.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter14_XSNxMWG.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter15.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter15.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter15_QY6wZIq.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter15_QY6wZIq.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter15_RiCS0Ai.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter15_RiCS0Ai.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter16.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter16.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter16_0NyhPvP.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter16_0NyhPvP.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter16_pnkscJu.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter16_pnkscJu.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter18.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter18.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter18_C36GpSn.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter18_C36GpSn.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter18_EqgYm0p.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter18_EqgYm0p.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter19.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter19.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter19_0g2boiT.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter19_0g2boiT.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter19_QpHK5JI.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter19_QpHK5JI.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter2.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter2.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter20.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter20.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter20_SPZbkqz.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter20_SPZbkqz.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter20_hKMNWxW.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter20_hKMNWxW.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter21.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter21.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter21_GeNhAzQ.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter21_GeNhAzQ.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter21_tQfhnpH.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter21_tQfhnpH.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter22.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter22.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter22_R5zqRoP.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter22_R5zqRoP.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter22_wZJNJdr.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter22_wZJNJdr.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter23.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter23.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter23_3CMvYM4.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter23_3CMvYM4.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter23_9hMbnX4.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter23_9hMbnX4.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter2_8BakG8I.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter2_8BakG8I.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter2_W8u7liz.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter2_W8u7liz.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter5.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter5.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter5_RsBz4a7.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter5_RsBz4a7.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter5_VQzvFGO.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter5_VQzvFGO.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter6.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter6.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter6_18MJqWw.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter6_18MJqWw.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter6_4vuzkiJ.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter6_4vuzkiJ.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter8.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter8.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter8_817bFiA.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter8_817bFiA.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter8_wMvTWIF.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter8_wMvTWIF.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter9.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter9.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter9_f0YzOCH.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter9_f0YzOCH.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/Chapter9_vhHgT2e.ipynb -> Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter9_vhHgT2e.ipynb
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/cap1.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/cap1.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/cap1_v96t3WK.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/cap1_v96t3WK.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/index.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/index.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/index2.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/index2.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/index2_za7aGFC.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/index2_za7aGFC.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/index_Is0qqx4.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/index_Is0qqx4.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/pic1.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/pic1.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/pic2.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/pic2.png
R  Electrical_&_Electronic_Systems_by_Neil_Storey/screenshots/pic3.png -> Electrical_and_Electronic_Systems_by_Neil_Storey/screenshots/pic3.png
M  f_by_df/README.txt
A  f_by_df/ami.ipynb
A  f_by_df/screenshots/array_factor_TIPCqXh.png
A  f_by_df/screenshots/array_factor_iQfSDI6.png
A  f_by_df/screenshots/blank1_copy.png

1 files changed, 175 insertions, 0 deletions

diff --git a/Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter8.ipynb b/Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter8.ipynb
new file mode 100644
index 00000000..bc1fdb59
--- /dev/null
+++ b/Electrical_and_Electronic_Systems_by_Neil_Storey/Chapter8.ipynb
@@ -0,0 +1,175 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Chapter 8: Operational Amplifier"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 8.3, Page 148"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Gain = 50\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Initialisation\n",
+    "f=20*10**3              #bandwidth frequency in KHz\n",
+    "\n",
+    "#Calculation\n",
+    "gain=(10**6)/(f)         #gain\n",
+    "\n",
+    "#Result\n",
+    "print'Gain = %d'%gain"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 8.4, Page 150"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": false,
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Output Resistance = 7.5 mOhm\n",
+      "\n",
+      "Input Resistance = 20 GOhm\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Initialisation\n",
+    "og=2*10**5                          #Open Loop Gain\n",
+    "cg=20                              #Closed Loop Gain\n",
+    "or1=75                              #Output Resistance\n",
+    "ir1=2*10**6                          #Input Resistance\n",
+    "\n",
+    "#Calculation\n",
+    "ab=og*cg**-1                           #factor (1+AB)\n",
+    "or2=or1/ab                              #Output Resistance\n",
+    "ir2=ir1*ab                          #Input Resistance\n",
+    "\n",
+    "#Result\n",
+    "print'Output Resistance = %.1f mOhm\\n'%(or2*1000)\n",
+    "print'Input Resistance = %d GOhm'%(ir2*10**-9)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 8.5, Page 150"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Output Resistance = 7.5 mOhm\n",
+      "\n",
+      "Input Resistance = 1 KOhm\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Initialisation\n",
+    "og=2*10**5                          #Open Loop Gain\n",
+    "cg=20                               #Closed Loop Gain\n",
+    "or1=75                              #Output Resistance\n",
+    "ir1=2*10**6                         #Input Resistance\n",
+    "r1=20*10**3                         #Resistnce in Ohm\n",
+    "r2=10**3                            #Resistnce in Ohm\n",
+    "\n",
+    "#Calculation\n",
+    "ab=og*cg**-1                        #factor (1+AB)\n",
+    "or2=or1*ab**-1                          #Output Resistance\n",
+    "#the input is connected to a virtual earth point by the resistance R2, \n",
+    "#so the input resistance is equal to R 2 ,\n",
+    "ir2=r2                              #Input Resistance\n",
+    "\n",
+    "#Result\n",
+    "print'Output Resistance = %.1f mOhm\\n'%(or2*1000)\n",
+    "print'Input Resistance = %d KOhm'%(ir2*10**-3)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 8.6, Page 151"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Output Resistance = 375 uOhm\n",
+      "\n",
+      "Input Resistance = 400 GOhm\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Initialisation\n",
+    "og=2*10**5                          #Open Loop Gain\n",
+    "cg=1                              #Closed Loop Gain\n",
+    "or1=75                              #Output Resistance\n",
+    "ir1=2*10**6                          #Input Resistance\n",
+    "\n",
+    "#Calculation\n",
+    "ab=og*cg**-1                        #factor (1+AB)\n",
+    "or2=or1*ab**-1                      #Output Resistance\n",
+    "ir2=ir1*ab                          #Input Resistance\n",
+    "\n",
+    "#Result\n",
+    "print'Output Resistance = %d uOhm\\n'%(or2*10**6)       #wrong answer in the textbook\n",
+    "print'Input Resistance = %d GOhm'%(ir2*10**-9)"
+   ]
+  }
+ ],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 0
+}