From 92cca121f959c6616e3da431c1e2d23c4fa5e886 Mon Sep 17 00:00:00 2001
From: hardythe1
Date: Tue, 7 Apr 2015 15:58:05 +0530
Subject: added books

---
 Electronic_Devices_and_Circuits/Chapter4_1.ipynb | 237 +++++++++++++++++++++++
 1 file changed, 237 insertions(+)
 create mode 100755 Electronic_Devices_and_Circuits/Chapter4_1.ipynb

(limited to 'Electronic_Devices_and_Circuits/Chapter4_1.ipynb')

diff --git a/Electronic_Devices_and_Circuits/Chapter4_1.ipynb b/Electronic_Devices_and_Circuits/Chapter4_1.ipynb
new file mode 100755
index 00000000..eb199d80
--- /dev/null
+++ b/Electronic_Devices_and_Circuits/Chapter4_1.ipynb
@@ -0,0 +1,237 @@
+{
+ "metadata": {
+  "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 04 : Bipolar junction transistors"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 4.1, Page No 153"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#initialisation of variables\n",
+      "Adc=.98\n",
+      "Ib=100*10**-6\n",
+      "\n",
+      "#Calculations\n",
+      "Ic=(Adc*Ib)/(1-Adc)\n",
+      "print(\"value of Ic is %3.3fA \" %Ic)\n",
+      "Ie=Ic/Adc\n",
+      "\n",
+      "#Results\n",
+      "print(\" value of Ie is %3.3fA \" %Ie)\n",
+      "Bdc=Adc/(1-Adc)\n",
+      "print(\"The value of Bdc = %.2f \" %Bdc) "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "value of Ic is 0.005A \n",
+        " value of Ie is 0.005A \n",
+        "The value of Bdc = 49.00 \n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 4.2, Page No 153"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "\n",
+      "#initialisation of variables\n",
+      "Ic=1.0*10**-3\n",
+      "Ib=25.0*10**-6\n",
+      "\n",
+      "#Calculations\n",
+      "Bdc=Ic/Ib\n",
+      "Ie=Ic+Ib\n",
+      "Adc=Ic/Ie\n",
+      "Ic=5\n",
+      "Ib=Ic/Bdc\n",
+      "\n",
+      "print(\"The new base current = %.2f mA\" %(Ib*10**3)) "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The new base current = 125.00 mA\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 4.3 Page No 157"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "\n",
+      "#initialisation of variables\n",
+      "\n",
+      "Bdc=80.0\n",
+      "Bac=Bdc\n",
+      "Vcc=18.0\n",
+      "R1=10.0*10**3\n",
+      "\n",
+      "#Calculations\n",
+      "Ib=15.0*10**-6#for Vb=.7\n",
+      "Ic=Bdc*Ib\n",
+      "Vc=Vcc-(Ic*R1)\n",
+      "\n",
+      "#Results\n",
+      "print(\"dc collector voltage is %dV \" %Vc)\n",
+      "print(\" when vi=50mV\")\n",
+      "Ib=3.0*10**-6\n",
+      "Vi=50.0*10**-3\n",
+      "Ic=Bdc*Ib\n",
+      "Vo=Ic*R1\n",
+      "Av=Vo/Vi\n",
+      "\n",
+      "#Results\n",
+      "print(\"Current voltage is %.1f V \" %(Av))"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "dc collector voltage is 6V \n",
+        " when vi=50mV\n",
+        "Current voltage is 48.0 V \n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 4.4, Page No 160"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#initialisation of variables\n",
+      "Vcc=5.0\n",
+      "Vce=.2\n",
+      "R2=4.7*10**3\n",
+      "Vi=2\n",
+      "Vbe=.7\n",
+      "\n",
+      "#Calculations\n",
+      "R1=12.0*10**3\n",
+      "Ic=(Vcc-Vce)/R2\n",
+      "Ib=(Vi-Vbe)/R1\n",
+      "hFE=Ic/Ib\n",
+      "\n",
+      "#Results\n",
+      "print(\"Transistor current gain is %.2f V \" %(hFE))\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Transistor current gain is 9.43 V \n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 4.6 Page No 169"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#initialisation of variables\n",
+      "Vbe=.7\n",
+      "Vce=-6\n",
+      "\n",
+      "#Calculations\n",
+      "Ib=20.0*10**-6\n",
+      "Ic=2.5*10**-3#from output characteristics\n",
+      "Bdc=Ic/Ib\n",
+      "\n",
+      "#Results\n",
+      "print(\"The value of Bdc is %.1f V \" %Bdc)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The value of Bdc is 125.0 V \n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file
-- 
cgit