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diff --git a/electronic_instrumentation_by_H_S_Kalsi/Chap17_1.ipynb b/electronic_instrumentation_by_H_S_Kalsi/Chap17_1.ipynb
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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:8031d2b3be7285338d4c75ced4c49e8240652de917ff83e30f4a9fa6859d2b74"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 17 Data acquisition system"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 17.1 Page no 640"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Given\n",
+      "n=5                     #bit\n",
+      "a=10\n",
+      "b=20\n",
+      "c=30\n",
+      "\n",
+      "#Calculation\n",
+      "Wlsb=-(1/2.0**n-1)\n",
+      "Wlsb2=(2/2.0**n)\n",
+      "Wlsb3=(4/2.0**n)\n",
+      "V1=a/(2.0**n-1)\n",
+      "V2=b/(2.0**n-1)\n",
+      "V3=c/(2.0**n-1)\n",
+      "Va=(a*2**4+a*2**3+0*2**2+a*2**1+a*2**0)/(2.0**5-1)\n",
+      "Vb=(a*2**4+0*2**3+a*2**2+a*2**1+0*2**0)/(2.0**5-1)\n",
+      "#Result\n",
+      "print\"(1) The LSB Weight is \", round(Wlsb,2)\n",
+      "print\"(2) The 2nd LSB Weight is \", round(Wlsb2,2),\"And 2rd LSB weight is \",Wlsb3\n",
+      "print\"(3) Ist LSB causes a change in output voltage is \", round(V1,1)\n",
+      "print\"    2nd LSB causes a change in output voltage is \", round(V2,1)\n",
+      "print\"    3rdLSB causes a change in output voltage is \", round(V1,1)\n",
+      "print\"(4) Output voltage for 11011 is \" ,round(Va,2),\"Volt\"\n",
+      "print\"    Output voltage for 10110 is \" ,round(Vb,2),\"Volt\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "(1) The LSB Weight is  0.97\n",
+        "(2) The 2nd LSB Weight is  0.06 And 2rd LSB weight is  0.125\n",
+        "(3) Ist LSB causes a change in output voltage is  0.3\n",
+        "    2nd LSB causes a change in output voltage is  0.6\n",
+        "    3rdLSB causes a change in output voltage is  0.3\n",
+        "(4) Output voltage for 11011 is  8.71 Volt\n",
+        "    Output voltage for 10110 is  7.1 Volt\n"
+       ]
+      }
+     ],
+     "prompt_number": 23
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file