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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter : 6 - Sinusoidal Oscillators"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 6.3 : Page No - 272"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from numpy import pi\n",
"#Given data\n",
"R3 = 6 # in k ohm\n",
"R4 = 2 # in k ohm\n",
"A = 1+(R3/R4) \n",
"if A>3 :\n",
" print \"The circuit will work as the oscillator\"\n",
"R = 5.1 # in k ohm\n",
"R = R * 10**3 # in ohm\n",
"C = 0.001 # in \u00b5F\n",
"C = C * 10**-6 # in F\n",
"f = 1/(2*pi*R*C) # in Hz\n",
"f = f * 10**-3 # in kHz\n",
"print \"The frequency of oscillations = %0.4f kHz\" %f"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The circuit will work as the oscillator\n",
"The frequency of oscillations = 31.2069 kHz\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 6.4 : Page No - 272\n"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given data\n",
"C = 0.05 # in \u00b5F\n",
"C = C * 10**-6 # in F\n",
"f = 1 # in kHz\n",
"f = f * 10**3 # in Hz\n",
"R = 1/(2*pi*f*C) # in ohm\n",
"R = R * 10**-3 # in k ohm\n",
"print \"The value of R1 = R2 = %0.3f k\u03a9\" %R \n",
"R4 = 10 # in k ohm\n",
"print \"The value of R3 = %0.f k\u03a9\" %R4 \n",
"R3 = 2*R4 # in k ohm\n",
"print \"The value of R4 = %0.f k\u03a9\" %R3"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The value of R1 = R2 = 3.183 k\u03a9\n",
"The value of R3 = 10 k\u03a9\n",
"The value of R4 = 20 k\u03a9\n"
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
