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{
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"worksheets": [
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"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"
]
},
{
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"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\""
],
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{
"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": {}
}
]
}
|
