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{
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"name": "",
"signature": "sha256:fb80ed0ac7f61070ddb567219b6f89f7b3cc1db175d565fb219507a40eec868c"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter5 - Digital Voltmeters"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.10.1 - page5-25"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Resolution\n",
"#Given data :\n",
"n=4.0 # no. of full digits\n",
"R=1/10**n \n",
"print \"Resolution of voltmeter, R = \", R"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Resolution of voltmeter, R = 0.0001\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.10.2 - page5-26"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Resolution\n",
"#Given data :\n",
"n=5.0 # no. of full digits\n",
"R=1.0/10**n \n",
"print \"Resolution, R = %.5f\" %R"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Resolution, R = 0.00001\n"
]
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.10.3 - page5-26"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Resolution\n",
"#Given data :\n",
"n=4.0 # no. of full digits\n",
"R=1/10**n \n",
"print \"Resolution, R = \", R"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Resolution, R = 0.0001\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.10.4 - page5-27"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import numpy\n",
"import math\n",
"#Voltage and time interval\n",
"#Given data :\n",
"t1=1.0 #sec\n",
"R=100.0 #kohm\n",
"C=1.0 #micro F\n",
"C*=10**-6 # F\n",
"Vin=1.0 #V\n",
"Vref=5.0 #V\n",
"def integrate(a,b,f):\n",
" # def function before using this\n",
" # eg. : f=lambda t:200**2*t**2\n",
" #a=lower limit;b=upper limit;f is a function\n",
" import numpy\n",
" N=1000 # points for iteration\n",
" t=numpy.linspace(a,b,N)\n",
" #ft=f(t)\n",
" ans=numpy.sum(f)*(b-a)/N\n",
" return ans\n",
"# Calculating output vl=oltage\n",
"a=0\n",
"b=t1\n",
"Vout=1/R/C*integrate(a,b,Vin) # V\n",
"print \"Voltage developed at the output after 1 sec is \",Vout,\" V\"\n",
"#Vout=Vref*t2/R/C & Vout=Vin*t1/R/C\n",
"t2=t1*Vin/Vref #sec\n",
"print \"Time interval t2 is \",t2,\" sec\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Voltage developed at the output after 1 sec is 10.0 V\n",
"Time interval t2 is 0.2 sec\n"
]
}
],
"prompt_number": 11
}
],
"metadata": {}
}
]
}
|
