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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#Chapter 5:Digital Instruments"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 5.1,Page No:338"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"frequency of the of the system = 4500.00 Hz\n"
]
}
],
"source": [
"import math\n",
"\n",
"#variable declaration\n",
"N = 45; #reading \n",
"t = 10*10**-3; #Gated period in ms\n",
"\n",
"#calculations\n",
"f = N/float(t);\n",
"\n",
"#result\n",
"print'frequency of the of the system = %3.2f'%f,'Hz';"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 5.2,Page No:339"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Resolution 0.0010\n",
"Resolution for full scale range of 10V = 0.01 V\n",
"possible error = 0.015 V\n"
]
}
],
"source": [
"import math\n",
"\n",
"#variable declaration\n",
"n = 3; #number of full digits on 3 1/2 digit display \n",
"fs = 1; #voltage in V\n",
"fs1 = 10; #voltage in V\n",
"r = 2; #voltage reading in V\n",
"fs3 = 5;\n",
"\n",
"#calculation\n",
"R = 1/float((10)**n); #resolution\n",
"R1 = R*fs; #resolution for full scale range of 1V\n",
"R2 = fs1*R; #resolution for full scale range of 10V\n",
"LSD =fs3*R; #digit in the least siginificant digit in V\n",
"e = (((0.5)/float(100))*(r))+LSD; #total possible error in V\n",
"\n",
"#result\n",
"print'Resolution %3.4f'%R;\n",
"print'Resolution for full scale range of 10V = %3.2f'%R2,'V';\n",
"print'possible error = %3.3f'%e,'V';\n",
"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"##Example 5.3,Page No:340"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Resolution = 0.0001 \n",
"There are 5 digit faces in 4 1/2 digt display ,so 16.95 would be displayed as 16.950\n",
"Resolution = 0.0001 \n",
"Hence 0.6564 will be displayed as 0.6564\n",
"Resolution = 0.0010 \n",
"Hence 0.6564 will be displayed as 0.656\n"
]
}
],
"source": [
"import math\n",
"\n",
"#variable declaration\n",
"n = 4; #numberof full digits \n",
"fs = 1; #full scale range of 1V\n",
"fs = 1; #full scale range of 10V\n",
"\n",
"\n",
"#calculation\n",
"R = 1/float((10)**n); #resolution\n",
"R1 = fs*R; #resolution on 1V in V\n",
"R2 = fs1*R; #resolution on 10V in V\n",
"\n",
"\n",
"#result\n",
"print'Resolution = %3.4f '%R;\n",
"print'There are 5 digit faces in 4 1/2 digt display ,so 16.95 would be displayed as 16.950';\n",
"print'Resolution = %3.4f '%R1;\n",
"print'Hence 0.6564 will be displayed as 0.6564';\n",
"print'Resolution = %3.4f '%R2;\n",
"print'Hence 0.6564 will be displayed as 0.656';\n"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.6"
}
},
"nbformat": 4,
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|
