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{
"metadata": {
"name": "",
"signature": "sha256:18142c4d926311a435ed592a7ec40be6e57bd0d23bda115aad3c84afb60326d1"
},
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 36 , Basic Op-Amp Applications"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 36.1 , Page Number 920"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"\n",
"#Variables\n",
"\n",
"R1 = 1.0 * 10**3 #Resistance (in ohm)\n",
"R2 = 100.0 * 10**3 #Resistance (in ohm)\n",
"f1 = 159.0 #Frequency (in Hertz)\n",
"\n",
"#Calculation\n",
"\n",
"C = 1.0/(2*math.pi*R2*f1) #Capacitance (in Farad) \n",
"\n",
"#Result\n",
"\n",
"print \"Capacitance required in the circuit is \",round(C * 10**6,2),\" micro-Farad.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Capacitance required in the circuit is 0.01 micro-Farad.\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 36.2 , Page Number 921"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"\n",
"#Variables\n",
"\n",
"R1 = 1.0 * 10**3 #Resistance (in ohm)\n",
"Rf = 51.0 * 10**3 #Resistance (in ohm)\n",
"Cf = 0.01 * 10**-6 #Capacitance (in Farad)\n",
"\n",
"#Calculation\n",
"\n",
"f = 1.0/(2*math.pi*Rf*Cf) #Frequency (in Hertz)\n",
"fmin = 10* f #Minimum frequency required (in Hertz) \n",
"\n",
"#Result\n",
"\n",
"print \"The cut-off frequency of an integrator circuit is \",round(f),\" Hz.\"\n",
"print \"Minimum non-linear operating frequency is \",round(fmin),\" Hz.\"\n",
"\n",
"#Printing mistake about the value of Cf. It should be 0.01 micro-Farad."
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The cut-off frequency of an integrator circuit is 312.0 Hz.\n",
"Minimum non-linear operating frequency is 3121.0 Hz.\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 36.3 , Page Number 922"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"\n",
"#Variables\n",
"\n",
"R1 = 10.0 * 10**3 #Resistance (in ohm)\n",
"C1 = 0.01 * 10**-6 #Capacitor (in Farad)\n",
"\n",
"#Calculation\n",
"\n",
"f2 = 1.0/(2*math.pi*R1*C1) #Frequency (in Hertz)\n",
"fmax = f2 / 10.0 #Maximum linear operating freqeuncy (in Hertz)\n",
"\n",
"#Result\n",
"\n",
"print \"Cut-off frequency is \",round(f2,1),\" Hz.\"\n",
"print \"Maximum linear operating frequency is \",round(fmax),\" Hz.\"\n",
"\n",
"#Printing mistake in book about the value of f2."
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Cut-off frequency is 1591.5 Hz.\n",
"Maximum linear operating frequency is 159.0 Hz.\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 36.4 , Page Number 924"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"\n",
"#Variables\n",
"\n",
"R1 = R2 = 51.0 * 10**3 #Resistance (in ohm)\n",
"C1 = C2 = C = 0.001 * 10**-6 #Capacitance (in Farad) \n",
"\n",
"#Calculation\n",
"\n",
"fo = 1.0/(2*math.pi*R1*C1) #Resonant frequency (in Hertz)\n",
"\n",
"#Result\n",
"\n",
"print \"The frequency of oscillations is \",round(fo,1),\" Hz.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The frequency of oscillations is 3120.7 Hz.\n"
]
}
],
"prompt_number": 4
}
],
"metadata": {}
}
]
}
|
