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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:3cc9d2c4c0d6a493cdaa2dbc9383ef800411a8ab69ddf373e977319372599f8f"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter6 - Digital Frequency Meter"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 6.17.1 - page6-26"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# Desired gate time\n",
+      "#Given data :\n",
+      "r=0.1         #in Hz\n",
+      "D=1/r         #in seconds\n",
+      "print \"The desired gate time, D = \", D,\" seconds\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The desired gate time, D =  10.0  seconds\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 6.17.2 - page6-27"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# Error in measurement\n",
+      "f1=1.0 # in Mhz\n",
+      "f2=200.0 #in kHz\n",
+      "per=(200*10**-3)*100 # percentage error that printlay may indicate 4 micro seconds or 6 micro seconds\n",
+      "per1=(1/50.0)*100 #percentage error after 10 times improvement\n",
+      "print \"Display may indicate 4 us or 6 us, percentage error is \", per,\" %\"\n",
+      "print \"Percentage error after 10 times improvement is \", per1,\" %\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Display may indicate 4 us or 6 us, percentage error is  20.0  %\n",
+        "Percentage error after 10 times improvement is  2.0  %\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 6.17.3 - page6-27"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#  Measurement Accuracy\n",
+      "#Given data :\n",
+      "f=400.0         #Hz\n",
+      "time_accuracy=10**-8         # seconds\n",
+      "display_accuracy=1         #(+ve or -Ve)\n",
+      "t=10         # seconds\n",
+      "period=1/f*10**3          #ms\n",
+      "Accuracy= 1+((period)/10)         #ms\n",
+      "print \"accuracy is \u00b1\",Accuracy,\" ms\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "accuracy is \u00b1 1.25  ms\n"
+       ]
+      }
+     ],
+     "prompt_number": 7
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file