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-{
- "metadata": {
- "name": "",
- "signature": "sha256:aac83d9b958acba775304d5e53683242c3be955e852f2ce5dbe2f25d81f3bf36"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 6 FM Circuits"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 6.1 Page no 178"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "Vc =40*10**-12\n",
- "c = 20*10**-12\n",
- "f0 = 5.5*10**6\n",
- "Ct = Vc+c\n",
- "\n",
- "#Calculation\n",
- "L = 1/((6.28*f0)**2*Ct)\n",
- "\n",
- "#Result\n",
- "print\"The value of the inductance is \",round(L*10**6,0),\"microhenry\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The value of the inductance is 14.0 microhenry\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 6.2 Page no 186"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "f=168.96*10**6\n",
- "multiplier=24.0\n",
- "deviation = 5*10**3\n",
- "fm = 2.8*10**3\n",
- "\n",
- "#Calculation\n",
- "f0 =f/multiplier\n",
- "fd= deviation/multiplier\n",
- "phaseshift = fd/fm\n",
- "phaseshift_degrees = phaseshift*57.3\n",
- "total_phaseshift =2*phaseshift_degrees\n",
- "\n",
- "#Result\n",
- "print\"(a) The crystal oscillator frequency is \",f0/10**6,\"MHz\"\n",
- "print\"(b) The total phase shift is \",round(total_phaseshift,3),\"degree\"\n",
- "\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The crystal oscillator frequency is 7.04 MHz\n",
- "(b) The total phase shift is 8.527 degree\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 6.3 Page no 187"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "R =1*10**3\n",
- "phaseshift =4.263\n",
- "phaseshift_center= 45\n",
- "f =7.04*10**6\n",
- "\n",
- "#Calculation\n",
- "phase_l = phaseshift_center - phaseshift\n",
- "phase_u = phaseshift_center + phaseshift\n",
- "phaserange_total = phase_u - phase_l\n",
- "Xc1 = 1161\n",
- "C1 = 1/(6.28*f*Xc1)\n",
- "Xc2 = 861\n",
- "C2 = 1/(6.28*f*Xc2)\n",
- "\n",
- "#Result\n",
- "print\"The two values of the capacitance to achieve total deviation are \",round(C1*10**12,1),\"pf to\",round(C2*10**12,1),\"pf\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The two values of the capacitance to achieve total deviation are 19.5 pf to 26.3 pf\n"
- ]
- }
- ],
- "prompt_number": 5
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file